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gasket - メーカー・企業140社の業務用製品ランキング | イプロスものづくり

更新日： 集計期間:May 27, 2026～Jun 23, 2026
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gasketのメーカー・企業ランキング

更新日： 集計期間:May 27, 2026～Jun 23, 2026
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  1. ダイコー 本社 Osaka//Building materials, supplies and fixtures
  2. 東京興業貿易商会 本社 Tokyo//Resin/Plastic
  3. 甲南精工 東京営業所 Tokyo//others
  4. 4 アキツ 大阪支店 Osaka//Manufacturing and processing contract
  5. 5 ジャパンマテックス シールエンジニアリングセンター Osaka//Machine elements and parts
企業ランキングへ

gasketの製品ランキング

更新日： 集計期間:May 27, 2026～Jun 23, 2026
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  1. Gasket Fluid Compatibility Table (Nippon Yakin: Vulcan Comparison Table) ダイコー 本社
  2. What is the difference between FF type gaskets and RF type gaskets? ダイコー 本社
  3. Metal gaskets usable in ultra-high vacuum and extremely low temperature environments [Samples available!] USUI CO., LTD.
  4. 4 Universal steam gasket "8851ND CleaLock" ジャパンマテックス シールエンジニアリングセンター
  5. 5 [Data] Fluid Compatibility Table Selection Guide ダイコー 本社

gasketの製品一覧

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Gasket Manual | Design, Storage, and Proper Tightening Methods to Prevent Leaks

Gasket Manual | Design, Storage, and Proper Tightening Methods to Prevent Leaks

Overview of JIS B 2251-2024 "Flange Joint Tightening Methods" will also be introduced!

Many leakage troubles from gaskets are not due to defects in the products themselves, but rather stem from "handling" factors such as design, storage, and tightening methods. To fully utilize the performance of gaskets and ensure safe plant operations, we will explain the important points that should be observed at each stage from design to installation. *For detailed content of the column, you can view it through the related link. For more information, please download the PDF or feel free to contact us.*

  • Other machine elements
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[Plotter Processing Example] Ring-Shaped Gasket

[Plotter Processing Example] Ring-Shaped Gasket

A case study of a gasket made by combining inorganic filler (silica) with Balfron (PTFE)!

We would like to introduce a case where we manufactured 30 ring-shaped gaskets from Vulkaron gasket "Vulkare No. 7020" (thickness 2mm) based on the customer's specifications, with an outer diameter of φ90mm and an inner diameter of φ70mm. Using our plotter processing machine (with router function), we processed the gaskets directly and precisely from CAD data. Since no die cutting was required, we delivered them quickly with a clean finish and no burrs. 【Features of Plotter Processing】 ■ Cost reduction without the need for die cutting ■ Support for small lot production starting from one piece ■ Clean finish with no burrs ■ Easy repeat ordering with data storage *For more details, please download the PDF or feel free to contact us.

  • 12a.png
  • Processing Contract
  • gasket

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[Laser Marker Processing Example] Traceability 2D Code Printing

[Laser Marker Processing Example] Traceability 2D Code Printing

Linked with software, it enables high-definition printing and marking directly from data!

In response to our customers' requests for improved product management and traceability, we would like to introduce a case where a two-dimensional code was printed on MC nylon machine parts using a laser marker. Unlike stickers or labels, there is no worry about the printing peeling off or fading, allowing for permanent information management. Printing with a laser marker is an effective alternative to traditional methods such as sticker application for part traceability and information management. 【Features of Laser Marker Processing】 ■ Permanent printing that does not peel off ■ Improved traceability ■ Non-contact and damage-free ■ Direct processing from data ■ Compatible with a variety of products *For more details, please download the PDF or feel free to contact us.

  • 19a.png
  • Processing Contract
  • gasket

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Thorough Explanation of AES Woven Fabric Gasket with 800℃ Heat Resistance, Safety, and Flexibility

Thorough Explanation of AES Woven Fabric Gasket with 800℃ Heat Resistance, Safety, and Flexibility

A thorough explanation of why No. 1420-ST is evaluated as a particularly balanced option in the 800°C class high-temperature seals!

"I want to use a safer RCF-free material for the boiler manhole gasket." "The exhaust duct reaches high temperatures close to 800°C, but there is distortion on the flange surface, making it impossible to seal with a sheet gasket." "For large-diameter high-temperature flanges, the gasket is too soft and loses its shape during installation." Power plants, incinerators, various industrial furnaces, and exhaust systems of diesel engines are subjected to harsh high-temperature environments that can reach 800°C. The gaskets used in these applications must not only have excellent heat resistance but also ensure material safety to protect the workers, as well as flexibility to conform to the distorted flange surfaces typical of high-temperature equipment. However, at the same time, especially for large diameters, ease of handling during installation is also an important factor that cannot be overlooked. *For more details on the column, please refer to the related link. For more information, feel free to download the PDF or contact us directly.*

  • Sealing
  • gasket

ブックマークに追加いたしました

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これ以上ブックマークできません

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400℃ Heat Resistant and Flexible Standard 'Glass Fabric Gasket' Explanation

400℃ Heat Resistant and Flexible Standard 'Glass Fabric Gasket' Explanation

A thorough explanation of why the standard woven fabric gasket No. 1374 continues to be a staple choice at many sites!

"I want to reduce costs for the boiler manhole packing." "I need a flexible gasket that fits the flange of the exhaust duct." "Is there an easy-to-use sealing material for a hot air line at around 400°C?" The selection of sealing materials for high-temperature equipment always requires a balance between performance and cost. In particular, in areas such as the inspection openings (manholes, handholes) of boilers and the connection points of exhaust and hot air ducts, where high clamping force cannot be applied and complete airtightness is not required, an over-specified high-performance gasket may not necessarily be the optimal solution. *For more details on the column, please refer to the related links. For more information, please download the PDF or feel free to contact us.

  • Sealing
  • gasket

ブックマークに追加いたしました

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Thorough Explanation of AES Fabric Gaskets that Achieve Both 600℃ Heat Resistance and Safety

Thorough Explanation of AES Fabric Gaskets that Achieve Both 600℃ Heat Resistance and Safety

Thorough explanation of why No. 1420-TH is a trusted choice for high-temperature seals in the 600°C class!

"The sealing material around the boiler's combustion port becomes worn out due to heat." "The flange of the exhaust duct is significantly warped, and a sheet gasket cannot fill the gap." "When replacing the gasket in the high-temperature area, the adhesion to the flange is severe, making it difficult to remove." In high-temperature equipment such as power plants, incinerators, boilers, and various industrial furnaces, harsh thermal environments exceeding 400°C are commonplace. Gaskets used in such locations require a level of heat resistance that is incomparable to general sealing materials. However, at the same time, flexibility is essential to conform to the warping and irregularities of the flange surfaces unique to high-temperature equipment, and above all, safety to protect the workers is indispensable. *For more detailed information, please refer to the related links. For further details, you can download the PDF or feel free to contact us.*

  • Sealing
  • gasket

ブックマークに追加いたしました

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Cam profile gasket explanation | Achieving high sealing performance, heat resistance, and workability.

Cam profile gasket explanation | Achieving high sealing performance, heat resistance, and workability.

A thorough explanation of why the cam profile gasket has "sealability equivalent to vortex gaskets" while being "usable with just the main body"!

"I want a seal performance equivalent to a spiral gasket, but is there a gasket that is easier to handle?" "I want to ensure no leaks even in narrow sealing widths like those in heat exchangers." "I am looking for a highly reliable gasket that can be used stably for a long time under high temperature and high pressure." In sealing applications for plants, pressure vessels, heat exchangers, and more, balancing performance and ease of handling is an eternal challenge. Particularly in modern equipment where large diameters and complex shapes are becoming more common, there are increasing situations where conventional gaskets are difficult to use. To meet such advanced demands, we have developed the "Camprofile Gasket," which skillfully combines the strength and heat resistance of metal with the flexibility and sealing ability of non-metal materials. *For more details on the column, please refer to the related links. For more information, please download the PDF or feel free to contact us.*

  • Sealing
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ブックマークに追加いたしました

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これ以上ブックマークできません

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What are the causes and countermeasures of galvanic corrosion? | Effective methods to prevent dissimilar metal corrosion.

What are the causes and countermeasures of galvanic corrosion? | Effective methods to prevent dissimilar metal corrosion.

As the "foundation of measures against electrolysis," we will briefly explain "why electrolysis occurs" and "what effective countermeasures are."

"When stainless steel pipes were used with carbon steel bolts, only the bolts rusted excessively. In the case of dissimilar metal connections in seawater piping, one of the metals became severely corroded." Do you have any experience with such "abnormal corrosion" of metals? It may not just be rust, but rather "galvanic corrosion." Galvanic corrosion progresses locally through a mechanism different from normal corrosion, and if left unchecked, it can lead to leaks from the piping, a decrease in equipment strength, and in the worst case, serious accidents. *For more details on the column, please refer to the related link. For more information, feel free to download the PDF or contact us directly.*

  • Sealing
  • gasket

ブックマークに追加いたしました

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A Comprehensive Explanation of "White Tight" Controlling Corrosive Fluids and Oxygen Lines

A Comprehensive Explanation of "White Tight" Controlling Corrosive Fluids and Oxygen Lines

A thorough explanation of why white tights are chosen in harsh chemical environments!

"In the line of strong oxidizing acids, expanded graphite gaskets are compromised." "A gasket certified for safety is required for piping handling pure oxygen." "We are looking for a high-sealing material that does not contaminate fluids in the fine chemical manufacturing process." In environments such as chemical plants, semiconductor factories, and the medical and food sectors, extremely high cleanliness and resistance to strong corrosiveness that other materials cannot withstand are required. In such cases, not only general gaskets but even high-performance graphite-based sealing materials may be difficult to use. Under these harsh chemical conditions, the "Valqua No. 7590 Series," developed by Valqua, boasts overwhelming reliability as a last line of defense. *For more details, please refer to the related links. For more information, feel free to download the PDF or contact us.

  • Sealing
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ブックマークに追加いたしました

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これ以上ブックマークできません

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From water jet to laser and press processing, a thorough explanation of the core components.

From water jet to laser and press processing, a thorough explanation of the core components.

Introducing Daiko's diverse range of processing equipment that meets various needs!

"I would like to have just one gasket made according to the drawing." "I need a large-diameter resin plate, but I don't know where to order it." "I want to create a prototype, but the mold costs are too high, so I've given up." In the manufacturing field, finding the "appropriate materials" is just as important as the "processing technology" that determines "how to shape those materials." No matter how excellent the material is, without precise processing technology, it is nothing more than a simple sheet or round rod. In this article, we will focus on the "processing equipment," which is the core secret of why Daiko Co., Ltd., a manufacturer of industrial products, can meet diverse customer needs with "high quality, short delivery times, and low costs." We will thoroughly explain the capabilities and potential of each piece of equipment. *For detailed content of the column, please refer to the related links. For more information, please download the PDF or feel free to contact us.*

  • Processing Contract
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D7000 PTFE Cushion Gasket | Chemical Resistance and Electrical Insulation

D7000 PTFE Cushion Gasket | Chemical Resistance and Electrical Insulation

A comprehensive explanation of high-performance sealing materials that achieve both chemical resistance and electrical insulation!

"In the line of strong acids and strong alkalis, the joint sheet deteriorates immediately." "At the dissimilar metal connections in the piping, corrosion due to electrolysis does not stop." "When using a PTFE gasket alone, the bolts loosened immediately and leaked." In chemical plants and precision equipment manufacturing lines, there are many situations where extremely high chemical resistance and electrical insulation properties are required, which cannot be addressed by common sealing materials. This article thoroughly explains why D7000 can simultaneously solve multiple challenges such as "corrosion resistance," "sealing performance," and "electrical insulation," as well as its unique hybrid structure and outstanding performance, along with the correct selection and usage methods to fully utilize its capabilities. *For detailed content of the column, please refer to the related links. For more information, feel free to download the PDF or contact us.

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ブックマークに追加いたしました

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ブックマークを削除いたしました

ブックマーク一覧

これ以上ブックマークできません

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A thorough explanation of EPDM molded gaskets that achieve a reliable seal with low tightening force.

A thorough explanation of EPDM molded gaskets that achieve a reliable seal with low tightening force.

Introducing Daiko D-Packing! Its structure and outstanding sealing performance.

"Since it is a resin flange, it cannot be tightened with strong force." "There may be some distortion on the flange surface, and with a sheet gasket, the leakage does not stop." "While we want the elasticity of rubber in the chemical line, we also want to ensure chemical resistance." Such issues frequently arise in the sealing of piping flanges. In particular, with PVC piping and FRP piping that cannot withstand high tightening forces, as well as flanges that are glass-lined, it is not uncommon for rigid sheet gaskets to fail to provide sufficient sealing performance. What Daiko Co., Ltd., a manufacturer of industrial products, offers is the high-performance molded gasket "D-Packing," which has a unique cross-sectional shape. In this article, based on Daiko Co., Ltd.'s official comprehensive catalog, we will thoroughly explain why D-Packing can achieve "high sealing performance" with "low tightening force," the secrets of its structure, the differentiation between two types according to application, and the correct knowledge to maximize its capabilities. *For detailed content of the column, please refer to the related link. For more information, please download the PDF or feel free to contact us.

  • Food and pharmaceutical standard seals and packing products
  • gasket

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A Comprehensive Guide to General Piping Gaskets

A Comprehensive Guide to General Piping Gaskets

Introducing the Daiko D6000 Non-Asbestos Joint Sheet!

"We are looking for gaskets that are safe and cost-effective for piping lines of water and oil. We are considering alternatives to asbestos products, but we are concerned about processability and sealing performance. Due to sudden maintenance, we urgently need gaskets with special shapes." To meet these universal needs in "general piping" across various industries, Daiko Co., Ltd., a manufacturer of industrial products, confidently offers its original product, the "D6000 Non-Asbestos Joint Sheet." In this article, based on Daiko Co., Ltd.'s official comprehensive catalog, we will thoroughly explain why the D6000 continues to be chosen in many workplaces, its structure and outstanding performance, as well as the correct selection and usage methods to fully utilize its capabilities. *For detailed content of the column, please refer to the related link. For more information, please download the PDF or feel free to contact us.*

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ブックマークに追加いたしました

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ブックマークを削除いたしました

ブックマーク一覧

これ以上ブックマークできません

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From gaskets and packing to resin and metal. Technical expertise and product lineup.

From gaskets and packing to resin and metal. Technical expertise and product lineup.

A thorough explanation of the technology and product lineup of the processing manufacturer "Daiko"!

"I want to select the best product for our equipment from a wide variety of industrial sealing materials." "I urgently need a single gasket with a special shape that is not in the standard specifications." "I want to procure high-quality processed parts in a short delivery time while keeping costs down." In various industrial settings, challenges like these arise daily, from stable plant operations to maintaining the performance of machinery. One answer to these challenges is Daiko Co., Ltd., a "processing manufacturer" of industrial products. Daiko not only sells products but also utilizes industry-leading processing equipment and years of technology and experience to provide appropriate solutions tailored to each customer's challenges. This article delves into the diverse range of products centered around gaskets and packing that the company takes pride in, as well as the overwhelming processing technology that supports them. By reading this article to the end, you will understand why Daiko is relied upon in many workplaces. *For detailed content of the column, please refer to the related links. For more information, feel free to download the PDF or contact us.

  • Other machine elements
  • gasket

ブックマークに追加いたしました

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ブックマークを削除いたしました

ブックマーク一覧

これ以上ブックマークできません

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NBR Rubber Processing Example | Improved Sealing Performance Double-Sided Step Gasket

NBR Rubber Processing Example | Improved Sealing Performance Double-Sided Step Gasket

By combining precise cuts with a water jet and adhesive processing using skilled techniques, we create high-value-added products!

Based on the customer's drawing, we manufactured a large-diameter gasket with an outer diameter of φ548mm and an inner diameter of φ410mm from a 5mm thick NBR rubber sheet. First, we precisely cut the gasket body (with 16 φ27mm bolt holes on a P.C.D. of 510mm) and the ring-shaped parts using a water jet cutting machine. After that, we bonded the rings to both sides of the body, finishing it as a stepped seal gasket. *For more detailed information, please refer to the related links. For further details, you can download the PDF or feel free to contact us.

  • Rubber
  • Processing Contract
  • gasket

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What is a Vulkollan Spiral Wound Gasket? | Three Major Benefits that Solve Problems

What is a Vulkollan Spiral Wound Gasket? | Three Major Benefits that Solve Problems

Introducing the three major benefits of solving the challenges of high temperature, high pressure, and thermal cycles!

"On the high-temperature and high-pressure steam line, the soft gasket could not withstand and leaked. In equipment that repeatedly starts and stops, the gasket deteriorates with each temperature change and leaks. During maintenance, it takes half a day to remove the gasket that has burned onto the flange." These are critical sealing issues that occur in important lines that can be considered the heart of the plant. In response to these challenges, the "spiral gasket" from Vulcan Corporation offers a solution by combining the advantages of "metal" and "non-metal." This article delves into the three significant benefits that this high-performance semi-metallic gasket brings to the field, how it solves the difficult sealing challenges you face, and provides specific guidelines for selecting the appropriate product from a wide range of options, explained thoroughly from a professional perspective. *For detailed content of the column, please refer to the related link. For more information, please download the PDF or feel free to contact us.*

  • Other machine elements
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ブックマークに追加いたしました

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ブックマークを削除いたしました

ブックマーク一覧

これ以上ブックマークできません

会員登録すると、ブックマークできる件数が増えて、ラベルをつけて整理することもできます

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No. 9010 Cushion Gasket Selection Guide | Complete Decoding Manual

No. 9010 Cushion Gasket Selection Guide | Complete Decoding Manual

A Complete Guide to Decoding Complex Product Numbers! A thorough explanation of specific guidelines from a professional perspective to select the "ideal item."

"I can't find the optimal gasket for the glass lining flange." "I want to achieve both high chemical resistance and flexibility that conforms to the distortion of the flange surface." "I heard that No.9010 is good, but the part numbers are too complicated, and I have no idea which one to choose." ... This is a serious issue faced by many site managers seeking high-performance sealing materials. The ultimate customized solution to this problem is Nichias Corporation's "TOMBO No.9010" (Naflon PTFE cushion gasket), commonly known as the "wrapped gasket." In this article, we will thoroughly explain the extremely complex part number system of this high-performance composite gasket, unraveling each one, and provide specific guidelines from a professional perspective to help you select the "suitable item" from countless combinations to address your challenges. *For detailed content of the column, you can view it through the related link. For more information, please download the PDF or feel free to contact us.

  • Sealing
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ブックマークに追加いたしました

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これ以上ブックマークできません

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What is a fluoropolymer resin jacket gasket?

What is a fluoropolymer resin jacket gasket?

A thorough explanation of the three major benefits that jacket gaskets bring to the site and how to choose them on-site.

"In a line handling strong acids and strong alkalis, the degradation and leakage of gaskets occur frequently." "With glass-lined flanges, it is impossible to apply clamping force, resulting in unstable seals." "Every time maintenance is performed, we struggle to peel off gaskets that have adhered to the flanges." These are serious sealing issues that arise daily in demanding environments such as chemical plants and pharmaceutical and food factories. To fundamentally solve these challenges, the high-performance sealing material designed with the philosophy of 'the right material in the right place' is the 'fluororesin jacket gasket' from Valkar Co., Ltd. In this article, we will delve into the three significant benefits that this high-performance composite gasket brings to the field, how it can solve the challenges you face, and provide specific guidelines for selecting the right product from a wide range of options, explained thoroughly from a professional perspective. *For detailed content of the column, you can view it through the related link. For more information, please download the PDF or feel free to contact us.*

  • Sealing
  • gasket

ブックマークに追加いたしました

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ブックマークを削除いたしました

ブックマーク一覧

これ以上ブックマークできません

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Vulcan Manufacturing Fluororesin Jacket Gasket Selection Guide

Vulcan Manufacturing Fluororesin Jacket Gasket Selection Guide

A thorough explanation from a professional perspective on the differences among the four main core materials that determine performance, along with important precautions to keep in mind.

In a line handling highly corrosive chemicals, leaks from flanges are absolutely unacceptable. With flanges that are glass-lined or resin-lined, high tightening force cannot be applied. These are the most demanding sealing challenges that require both advanced chemical resistance and the ability to conform to delicate flange surfaces. One solution to this difficult problem is the 'Fluororesin Jacket Gasket' series from Vulcan Corporation. In this article, we will thoroughly explain why this high-performance composite gasket is trusted in many chemical plants, covering its basic structure, the differences among the four main core materials (N, S, H, F types) that determine its performance, and the essential precautions that must be followed for safe use, all from a professional perspective. *For detailed content of the column, please refer to the related links. For more information, please download the PDF or feel free to contact us.

  • Sealing
  • gasket

ブックマークに追加いたしました

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ブックマークを削除いたしました

ブックマーク一覧

これ以上ブックマークできません

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Bulkar No. 7010-EX Gasket Selection Guide

Bulkar No. 7010-EX Gasket Selection Guide

Thorough explanations from a professional perspective, including specific data that supports performance and the correct knowledge for safe use.

Contamination of products is something we absolutely want to avoid, but pure PTFE gaskets are prone to deformation (creep) and lack long-term reliability. Tightening management is difficult, and frequent re-tightening becomes necessary. This has been a long-standing dilemma faced by sites aiming to achieve both ultimate cleanliness and stable sealing performance. To address this challenge, the molecular structure of PTFE itself has been improved, resulting in the development of 'Valkar No. 7010-EX' (New Balfron Gasket) by Valkar Co., Ltd. In this article, we will thoroughly explain why No. 7010-EX can claim to have 'improved creep resistance,' from its structural secrets to specific data that supports its performance, as well as the correct knowledge for safe use, all from a professional perspective. *For detailed content of the column, please refer to the related link. For more information, please download the PDF or feel free to contact us.

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[Bulkar No. 6500 Processing Example] Large and Irregular Gaskets

[Bulkar No. 6500 Processing Example] Large and Irregular Gaskets

By combining water jet processing and adhesive processing, we can flexibly accommodate the production of large and complex-shaped products.

This is an example of producing a large and complex U-shaped gasket measuring 545mm x 709mm from a non-asbestos joint sheet "Valqua No. 6500" with a thickness of 3mm, based on the customer's drawing. The processing involved drilling 17 holes with a diameter of 21mm. Using our water jet cutting machine, we achieved high precision cutting directly from CAD data. Valqua No. 6500 is a non-asbestos general-purpose joint sheet made by combining organic and inorganic fibers with NBR and other materials. It demonstrates good sealing properties against general utility fluids and has a long track record in a wide range of applications, including petroleum refining, chemical plants, ships, and general piping. [Processing Features] - Proposal for cost reduction - Low cost and short delivery time without the need for a die - Direct processing from drawings - Easy repeat orders with data storage *For more details, please download the PDF or feel free to contact us.

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The essence of urethane rubber: a special material that combines the strength of rigid materials and the elasticity of rubber.

The essence of urethane rubber: a special material that combines the strength of rigid materials and the elasticity of rubber.

Explaining why urethane rubber can become a new solution in high-load environments.

High loads, strong impacts, and intense wear. Under such harsh conditions, rigid plastics can crack, and common rubber can tear. To solve this engineering challenge, a special material that combines the advantages of the rigidity of hard materials and the elasticity of rubber has been developed: urethane rubber (U). In this article, we will redefine why urethane rubber can be a new solution in high-load environments by examining its remarkable physical properties through material data. Furthermore, we will explain the operational rules for maximizing the use of this high-performance material, as well as the processing and selection solutions provided by the specialized trading company Daiko. *For detailed content of the column, please refer to the related links. For more information, feel free to download the PDF or contact us.*

  • Rubber
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Bulkar No. UF300 Gasket Selection Guide

Bulkar No. UF300 Gasket Selection Guide

A versatile model boasting ultimate chemical resistance! A thorough explanation from a professional perspective, including the correct knowledge for safe use.

It is cumbersome to differentiate between gaskets for acidic and alkaline lines. I want to reduce the variety of stock and prevent human errors in selecting the wrong gasket. I want a single solution for all corrosive fluids." This is a significant challenge related to management costs and safety that maintenance personnel in plants handling diverse chemicals constantly face. To meet this ultimate demand, the flagship model of high-performance sheet gaskets developed under the name "universal" is the "Vulcan No. UF300" (Universal Hyper) by Vulcan Co., Ltd. In this article, we will thoroughly explain why the UF300 can be confidently declared as "capable of being used with the widest range of fluids" as the top model in the high-performance sheet series, from its structural secrets to specific data supporting its performance, and the correct knowledge for safe use, all from a professional perspective. *For detailed content of the column, please refer to the related link. For more information, please download the PDF or feel free to contact us.

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Silicone Rubber Water Jet Processing Case: Large Diameter Gasket

Silicone Rubber Water Jet Processing Case: Large Diameter Gasket

Since a die is not needed, we promptly responded to the request for a single prototype.

This is an example of producing a large-diameter flange gasket with an outer diameter of φ695mm and an inner diameter of φ595mm from a 3mm thick silicone rubber sheet based on the customer's drawing. The processing involved drilling 12 bolt holes of φ15mm on a P.C.D. of 655mm. Using our water jet cutting machine, we achieved high-precision cutting according to the data. Since no die was required, we were able to respond quickly to a request for a single prototype. Water jet cutting is suitable for processing elastic materials like rubber because it cuts with a high-pressure water stream. 【Processing Features】 ■ No die required, low cost, and short delivery time ■ Direct processing from drawings ■ High-quality cutting with no thermal impact ■ Easy repeat orders with data storage *For more details, please download the PDF or feel free to contact us.

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PTFEガスケット 「100℃の壁」を超えるための選定ガイド

PTFEガスケット 「100℃の壁」を超えるための選定ガイド

PTFEガスケットの弱点「クリープ」を克服！なぜPTFEはクリープしやすいのか

化学プラントから半導体、食品、医薬品製造に至るまで、PTFE (ポリテトラフルオロエチレン)は、その「プラスチックの王様」とも 称される圧倒的な耐薬品性と非汚染性により、代替が難しい素材です。 しかし、この万能に見えるPTFEガスケットには、現場の技術者を 長年悩ませてきた、一つの致命的な弱点が存在します。 それが、「クリープ(応力緩和)」です。 特に温度が上昇するとこの現象は顕著になり「PTFEガスケットは100℃まで」 という、ある種の“常識"を生み出してきました 。 この記事では、PTFEが持つ素晴らしい特性と、その弱点である 「クリープ」のメカニズムを徹底的に解明します。 ※コラムの詳細内容は、PDF資料より閲覧いただけます。 　詳しくは、お気軽にお問い合わせ下さい。

  • Other polymer materials
  • Other machine elements
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[Data] Fluid Compatibility Table Selection Guide

[Data] Fluid Compatibility Table Selection Guide

What material of gasket is suitable for this fluid? Supporting gasket selection!

In this document, we provide a fluid compatibility chart to solve the "problems" faced by busy design and maintenance personnel. We comprehensively cover a vast array of fluids, including water-based fluids, oil-based fluids, solvents, and corrosive fluids, categorized for easy reference, allowing for intuitive compatibility assessment using symbols "◎, A, X." Additionally, selection criteria such as operating temperature, operating pressure, and piping shape are also necessary for making selections. Please use this as a reference to select gaskets suitable for your operating fluids. [Contents Included] ■ Water-based fluids and oil-based fluids (oils, alcohols) ■ Oil-based fluids (hydrocarbon gases, animal and vegetable oils) ■ Solvents and corrosive fluids (solvents, cleaning agents) ■ Solvents and corrosive fluids (acids, halogens) ■ Solvents and corrosive fluids (salts, alkalis, monomers, and other general chemicals) ■ Gas-based fluids I, Gas-based fluids II, Low-temperature fluids *For more details, please download the PDF or feel free to contact us.

  • others
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Bulkar No. SF300 Gasket Selection Guide | Cleanliness and Insulation Properties

Bulkar No. SF300 Gasket Selection Guide | Cleanliness and Insulation Properties

Adding "cleanliness" to the "PTFE binder" technology! Introducing four outstanding performances.

"The contamination of fluids with black foreign substances must be absolutely avoided," and "I want to prevent galvanic corrosion between dissimilar metal flanges." In the stable operation of a plant, there are many situations where such added value is required in addition to basic sealing performance. The high-performance sheet gasket "Vulcan No. SF300" (White Hyper) from Vulcan Corporation overcomes the challenges of conventional joint sheet heat resistance and combines two important properties: "cleanliness" and "insulation." This article thoroughly analyzes why SF300 is chosen in areas where cleanliness and insulation are required, comparing its performance with the standard type GF300. Furthermore, it provides a deep explanation from a professional perspective on the correct knowledge needed to safely harness its high performance. *For detailed content of the column, please refer to the related link. For more information, please download the PDF or feel free to contact us.*

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Bulkar No. GF300 | Combines chemical resistance and heat resistance

Bulkar No. GF300 | Combines chemical resistance and heat resistance

Why is it so strong and stable? A thorough explanation of the top-tier PTFE gasket.

"I want to respond with higher reliability in piping lines that handle utility lines such as steam and oil at temperatures above 100°C, as well as chemical substances. I need gaskets that have excellent long-term stability and minimal creep (deformation) even under high temperatures." In extremely harsh environments such as chemical plants, semiconductor manufacturing, and pharmaceutical processes, there are situations where the performance of standard fluoropolymer (PTFE) gaskets falls short. To meet these top-level demands, Vulcan Corporation has developed the flagship model of high-performance fluoropolymer gaskets, "No.GF300," by consolidating years of sealing technology. This article will thoroughly explain why the GF300 is referred to as the "pinnacle," from its unique material technology that supports its performance to important precautions for safe use, from a professional perspective. *For detailed content of the column, please refer to the related link. For more information, please download the PDF or feel free to contact us.*

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Bulkar No. 6502 Heat-Resistant and Steam-Resistant Gasket Selection Guide

Bulkar No. 6502 Heat-Resistant and Steam-Resistant Gasket Selection Guide

The true value of the black sheet! A special heat-resistant grade designed to overcome the weakness of "hardening degradation due to heat above 100°C."

"When we used a standard gasket on the steam line, it hardened immediately and started leaking." "I want to extend the maintenance cycle around the boiler." To address these urgent issues, especially in environments involving high-temperature steam and hot water, the high-performance joint sheet developed by Vulcan Corporation is the "No.6502 Black Hyper." In this article, we will thoroughly explain why No.6502 has gained immense trust in harsh hot water and steam lines, covering the material technology that supports its performance, the tightening management that must be strictly adhered to for safe use, and the response to special processing, all from a professional perspective. *For detailed content of the column, please refer to the related links. For more information, you can download the PDF or feel free to contact us.*

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TOMBO No.9007-LC Characteristics of Fluororesin Gasket

TOMBO No.9007-LC Characteristics of Fluororesin Gasket

The challenges of PTFE: What is "creep (stress relaxation)"? A thorough explanation of precautions on site.

In ensuring the stable operation and safety of plants, the selection and handling of gaskets, which are sealing materials for piping flange sections, play an extremely important role. Among the diverse range of products available, this time we will focus on the fluoropolymer (PTFE) gasket "TOMBO No.9007-LC," which combines excellent chemical resistance with groundbreaking low creep characteristics, and thoroughly explain its details. This article aims to assist field engineers and maintenance personnel in solving the challenges they will face in their work starting tomorrow, delving deeply into practical aspects from the product features to the "precautions" that must be observed on-site. *For detailed content of the column, you can view it through the related links. For more information, please download the PDF or feel free to contact us.

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