Blasting Product List and Ranking from 14 Manufacturers, Suppliers and Companies

[Case Study] Improvement of Release Properties in Injection Molded Products

Improvement of release properties of injection molded products.

At a major company S specializing in electronic component processing, they were manufacturing molded parts made of elastomer (a semi-finished product of rubber and resin). However, due to the softness and high viscosity of the elastomer, the release properties were poor, leading to deformation during the molding process and a high defect rate, which was a concern. 1. Deformation during the molding process of the parts. 2. High defect rate due to deformation.

Company：蒲田工業
Price：Other

Surface treatment contract service
Blasting

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Contract processing: "Coating removal and painting jigs by blasting"

Shortening processing time! We use different grinding materials depending on the base material being processed, finishing without roughening the surface.

Paint stripping by blasting" refers to the process of striking abrasive materials (grinding materials, media, or beads) against a workpiece to remove foreign substances and paint adhered to the surface. The type of abrasive material is selected based on the base material being processed, ensuring a finish without roughening the substrate. Since it is a dry process, only simple dust handling is required, allowing for odorless and safe operation. Additionally, damage to jigs is minimized, eliminating the need for spare jigs when outsourcing. 【Features】 - No need for drainage equipment or processing - Minimal odor and reduced risk during operation - Less wear and damage to jigs - Reduction in the number of jigs held - Shortened processing time *For more details, please refer to the PDF document or feel free to contact us.

Company：ニッチュー
Price：Other

Processing Contract
Blasting

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[With Improvement Examples!] Improved Moldability with 〇〇 Processing *Resin, Plastic Molds

The weld and sink marks in plastic injection molding may be caused by the easily solidifying surface condition of the mold. Please try surface modification through blasting!

1. Let's increase the gates to address poor filling ⇒ Welds have occurred. Has this ever happened to you? ■ Increase the gates ⇒ The number of resin junction points increases with the number of gates, resulting in welds. By blasting the mold surface, it alleviates visually (the surface becomes matte, making it less noticeable) and expands the range of molding conditions (the fine unevenness reduces heat transfer from the resin to the mold, slowing the growth of the solidification layer, increasing injection pressure, and enhancing transferability, which alleviates weld depth). ◎ Result: Appearance defects are improved. ◎ 2. Adopting pin gates and submarine gates ⇒ Sink marks occur. Has this ever happened to you? ■ Increase the holding pressure setting. ⇒ The gate seal occurs quickly, and the filling density does not increase as desired. By blasting the mold surface, it expands the range of molding conditions (the fine unevenness reduces heat transfer from the resin to the mold, slows the growth of the solidification layer, increases injection pressure, and enhances the filling density of the resin up to the gate seal, which alleviates sink mark levels). ◎ Result: Appearance defects are improved. ◎ 【There might be such advantages!?】 - The range of molding conditions expands, stabilizing productivity - Warping and deformation are reduced - Injection pressure can be reduced

Company：不二製作所本社
Price：Other

Resin mold
Plastic Mould
Surface treatment contract service
Blasting

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[New Technology] Enhancing the release properties of high transparency resin molds with 〇〇 processing!

To all those handling high transparency resin molds! We enhance release properties without release agents! Achieving high transparency that was previously impossible! Please give it a try!

Our company specializes in surface modification of molds through "blast processing." This technology enables the improvement of release properties while maintaining "high transparency," which was not achievable with conventional blast processing. Currently, you may be facing issues such as: ■ Difficulty in releasing from mirror surfaces ■ Poor resin flow ■ Unsatisfactory release even after changing specifications and adding ejector pins, etc. Are you experiencing any of these problems? We encourage you to try this technology. It improves release properties without the use of release agents, also addressing surface molding defects such as distortion and waviness caused by release agents, thereby enabling stable productivity and contributing to your production efficiency. ~ Feedback from customers ~ ■ It has become possible to mold without using release agents, allowing for stable mass production. The elimination of release agents has led to cost reductions. ■ There is almost no change in appearance before and after processing, making it easy to adopt. ■ Depending on the specifications of the molded products, there may no longer be a need to polish with excessively high grit. It maintains such high transparency. *For more details, please refer to the materials. Feel free to contact us with any inquiries.

Company：不二製作所本社
Price：Other

Surface treatment contract service
Other molds
Blasting

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【Product Introduction】Surface treatment before painting, compatible with blasting processing.

Leave processing and various surface treatments to us! It is also possible to achieve a texture like that of a pearlescent finish.

At Uehara Model Co., Ltd., we offer blasting processing, including surface treatment before painting. We perform blasting by shooting glass beads from the pipe section onto the workpiece. This is effective not only for surface treatment but also for post-processing. Additionally, for transparent parts, we can apply partial masking treatment to clearly show the difference between the masked and clear areas. 【Features】 ■ Blasting is performed by shooting glass beads from the pipe section onto the workpiece. ■ Effective for surface treatment as well as post-processing. ■ For transparent parts, partial masking treatment can be applied to clearly show the difference between the masked and clear areas. ■ It is also possible to achieve a texture similar to that of a frosted finish. *For more details, please refer to the PDF document or feel free to contact us.

Company：梅原モデル
Price：Other

Prototype Services
Processing Contract
Blasting

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Blast processing

Same-day processing available by reservation! It plays a significant role in enhancing the value of the product's surface.

At Yuu2 Co., Ltd., we offer "blast processing." Our company prioritizes our customers, using processing machines that suit the workpieces, and managing abrasives, nozzles, and injection pressure. Additionally, since oxidation and other issues may occur depending on the material, we strive to ensure satisfactory processing by coordinating the processing timing and packaging methods to maintain quality after processing, and we will continue to conduct quality management. [Types of Processing] ■ Pre-treatment processing before painting ■ Semi-gloss processing ■ Gloss processing *For more details, please refer to the PDF document or feel free to contact us.

Company：ユーツー
Price：Other

Processing Contract
Blasting

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Corrosion protection factory capable of construction up to 18 tons and 17 meters.

To customers struggling with corrosion protection for large structures! We are offering suitable solutions.

We would like to introduce the "Corrosion Protection Factory capable of processing up to 18 tons and 17 meters" at Shinmen Iron Works. Our company offers suitable solutions based on our extensive experience to customers facing challenges with corrosion processing of large structures. At our headquarters factory, we can handle sizes up to a total weight of 18 tons, a maximum length of 17 meters, a width of 4 meters, and a height of 4 meters. For sizes larger than this, please consult with us, and we will consider possible accommodations. Additionally, we also respond to on-site construction requests, so please feel free to reach out to us. 【Specifications of Our Blast Equipment】 ■ No.1 Blast Room (Steel Grit): 5.0m × 15.5m 77m² ■ No.2 Blast Room (Steel Grid): 4.5m × 12.5m 56m² ■ No.3 Blast Room (Steel Grid): 6.5m × 11.5m 75m² ■ No.4 Blast Room (Alumina Grit): 8.5m × 12.5m 106m² *For more details, please refer to the external link or feel free to contact us.

Company：新免鉄工所
Price：Other

Other contract services
Blasting

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[Case Study] How to Represent Blasting Processing in Drawings

By describing and indicating surface roughness measurement parameters such as Ra, Ry, Rz, and S, quality is stabilized!

Although there is blasting equipment within the company, there are challenges such as "we performed the blasting process as stated in the drawings, but it resulted in complaints." When SB100 is indicated on the drawings, it is generally correct to assume it refers to sandblasting 100, but the finish can vary significantly depending on the machine specifications and processing methods. While it is necessary to confirm before processing, it is also important to change the descriptions and instructions on the drawings to focus on stabilizing quality. As professionals, we can sort materials in the subsequent processes, but with SB100, the material of the abrasive cannot be determined. For example, by specifying and indicating surface roughness measurement parameters such as SB100 (A Random), Ra, Ry, Rz, and S, quality can be stabilized. [Issues] ■ We performed the blasting process as stated in the drawings, but it resulted in complaints. ■ In the case of blasting, how should it be described and instructed on the drawings? *For more details, please refer to the PDF document or feel free to contact us.

Company：東洋ブラスト工業所本社
Price：Other

Processing Contract
Blasting

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Colorful substrate treatment specification table

Standard table for base adjustment types 1-3

Surface preparation standard table: Types 1-3 scraping, blasting, power tools, hand tools There are standards for surface preparation that include Types 1-3 scraping. Type 1 scraping is the highest level, with a rust removal rate of over 99% achieved through blasting (SSPC SP-10, ISO Sa3). Type 2 scraping uses power tools, while Type 3 scraping is done with hand tools. Each type of scraping has a specific rust removal rate, and the appropriate standard is selected based on the condition of the surface. ◎ Grit blast (blasting/Type 1 scraping in English: Grit blast) One of the surface treatment (scraping) methods. Scraping is classified from Type 1 to Type 4, and blasting serves as the substrate treatment for the highest grade, Type 1 scraping. ◎ Sand blast (blasting/Type 1 scraping in English: Sand blast) One of the surface treatment (scraping) methods. Scraping is classified from Type 1 to Type 4, and blasting serves as the substrate treatment for the highest grade, Type 1 scraping. Harada Ironworks Hiroshima Official Link

Company：原田鉄工
Price：Other

Processing Contract
Other painting machines
Rust Inhibitor
Blasting

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What do "surface preparation" and "substrate treatment" mentioned in the specifications mean?

"Surface preparation" and "substrate treatment" (substrate adjustment) are often used with similar meanings, but they refer to different tasks in precise terms.

"Substrate adjustment" is the process of transforming the "substrate," which has not been treated with paint or other finishes, into a surface suitable for painting. "Undercoat treatment" is the process of transforming the "undercoat," which has already been painted or treated, into a surface suitable for painting. Both involve the work of "changing the surface of the object to a state suitable for painting," but the conditions before the work is performed are different. Additionally, substrate adjustment is fundamentally based on surface polishing and degreasing, while undercoat treatment also includes the repair of deteriorated surfaces with primer paint or putty. However, in practice, both "substrate adjustment" and "undercoat treatment" are often listed in specifications without distinction! It may be better not to overthink it and to understand both as having the meaning of "transforming into a surface suitable for painting." For more details on "Methods of substrate adjustment and undercoat treatment," "Importance of substrate adjustment and undercoat treatment," and "Standards for substrate adjustment and undercoat treatment," please refer to the related links below.

Company：原田鉄工
Price：Other

Rust Inhibitor
Painting Machine
Blasting

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For blast treatment of base adjustment, leave it to the professionals in Hiroshima.

Harada Ironworks is an expert in surface preparation and painting! As a specialized factory for surface preparation and painting, we provide the highest quality through thorough management.

The products painted at Harada Iron Works are often used in environments that "cannot withstand normal painting." In environments such as offshore, underwater, and on water, simply applying paint over metal will lead to peeling within a few years. Corrosion progresses from the areas where the paint has peeled, rendering the product unusable almost immediately. Additionally, it is difficult to perform repair painting in such locations, so a "protective coating" that can last as long as possible is required. Harada Iron Works has been providing "coatings that can withstand harsh environments" for 80 years. With complete blasting equipment and indoor painting facilities, there is no need to worry about "return rust" after blasting treatment. Moreover, painting on stainless steel, which is considered difficult, becomes possible through blasting processing! By applying paint, the characteristics and performance of stainless steel can be enhanced, giving it a beautiful color and making it "more resistant to rust and aesthetically pleasing stainless steel." 【Is painting on stainless steel possible? Impossible? About that method】 https://www.nc-net.or.jp/company/98405/product/detail/197530/

Company：原田鉄工
Price：Other

Rust Inhibitor
Painting Machine
Blasting

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How to strip paint from metal.

Have you ever wanted to strip off old and worn-out paint (coating)?

Methods for Removing Paint" "Chemical Methods" 1. Use a "stripper" designed for removing paint. There are methods such as applying the stripper to the paint and letting it sit, or soaking the item in a container filled with stripper. "Physical Methods" 2. Use tools such as "sandpaper" or a "scraper." This method involves rubbing or scraping the paint off with tools, and many specialized tools are available for this purpose. 3. Use power tools such as a "disc sander" or "air hammer." This method involves pressing a tool that rotates or uses a piston to remove the paint. 4. "Blast Treatment" This method removes surface paint by colliding abrasives at high speed. In general, when removing paint, methods such as '1' + '2' or '1' + '3' are used in combination. Since it is difficult to completely strip the paint, a stripper is used to remove a certain amount, and then tools are used to remove the remaining paint. 4. With blast treatment, it is possible to quickly and reliably remove paint regardless of the type of paint. When repainting during renovation or maintenance, the durability of the new paint significantly changes based on "how much of the old paint film has been removed and how well the surface has been prepared.

Company：原田鉄工
Price：Other

Rust Inhibitor
Painting Machine
Blasting

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Stubborn rust! Persistent rust! Rust removal by Harada Ironworks.

Leave the removal of stubborn and persistent rust to Harada Ironworks! We will perfectly eliminate any rust and finish with a clean metal surface.

"How to Remove Rust" 1. Use a rust remover It can dissolve and reduce mild rust. It allows you to remove rust without scratching the surface, and it's easy since you just apply it and wipe it off afterward. Since it is a chemical product, be sure to check the usage instructions and disposal methods thoroughly before use. 2. Use sandpaper or a wire brush for polishing Mild to moderate rust can be removed or reduced by polishing with paper or a brush. It takes time and effort, but it is the most cost-effective way to remove rust. Be careful not to apply too much pressure, as this may cause significant scratches on the surface. 3. Use power tools for polishing Mild to moderate rust can be removed or reduced by polishing with power tools. It allows you to remove rust faster and more easily than rust removers or sandpaper. However, using power tools carries a higher risk of injury or accidents, so be sure to wear appropriate protective gear. However, options 1, 2, and 3 can be quite labor-intensive for removing extensive or severe rust, so they are not recommended. So, how can you remove extensive or severe rust?↓↓

Company：原田鉄工
Price：Other

Rust Inhibitor
Painting Machine
Blasting

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What is the most important aspect of the painting process, called "keren"? Introduction to the work method and its effects.

The performance of the coating is determined by "keren"!

What is Keren? On a normal surface, there are almost always "foreign substances" such as rust, oxidation films, dirt, and debris attached. Keren is the process of removing these foreign substances and cleaning the surface. Like "substrate adjustment" and "undercoat treatment," it aims to prepare the surface for painting, making it suitable for application. Substrate adjustment is the work done on the base material (the unpainted surface). Undercoat treatment is the work done on the substrate (the painted surface). While there is no strict definition, Keren is generally recognized as "a comprehensive pre-treatment for painting that includes substrate adjustment and undercoat treatment." Harada Iron Works, with 80 years of experience, provides detailed explanations of Keren's methods and effects. Harada Iron Works Co., Ltd. Website: https://harada-tekkou.co.jp/

Company：原田鉄工
Price：Other

Other painting machines
Blasting

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Processing technology "Gemini treatment" for preventing powder agglomeration.

Improvement of adhesion of the powder and reduction of friction! Usable even in manufacturing environments where contamination with impurities is not allowed.

"Gemini processing" is a processing technology that improves the surface condition of the workpiece and adds functionality to the surface by performing multiple blast treatments. Since it improves the surface condition of the workpiece itself, there is no concern about peeling like with coatings, nor does it involve adding other components like lubricants, making it suitable for manufacturing environments such as food factories and pharmaceutical plants where contamination with impurities is not allowed. By applying Gemini processing to the product and enhancing the slip properties of the powder aggregation, it effectively reduces the adhesion of aggregated powders and improves cleanability. Additionally, applying Gemini processing to sieve mesh reduces adhesion and clogging, thereby enhancing performance. [Features] - Surface that suppresses powder adhesion through blast treatment - Surface that improves water drainage - Reduced friction resistance on surfaces in contact with powder *For more details, please refer to the PDF document or feel free to contact us.

Company：不二製作所本社
Price：Other

Surface treatment contract service
Processing Contract
Blasting

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Roll "Mat Roll"

From product transportation to surface shaping.

We will prototype a pattern tailored to your usage. We will utilize not only blasting but all available means to recreate the ideal surface. Fine adjustments to roughness are possible (from coarse to ultra-thin). Our equipment is well-equipped for everything from transport rolls to large and long rolls. 【Roughness Curve】 ○ Evaluation Length: 4.0mm ○ λc: 0.8mm × 5 For more details, please contact us or download the catalog.

Company：野村鍍金
Price：Other

others
Blasting

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Blast treatment

40 years of contract processing experience - Providing high-precision and high-quality blasting treatment.

<Blast Processing> ▪ Surface roughness control ▪ Functional enhancement ▪ Aesthetic improvement ▪ Pre-treatment ▪ Cleaning * We have equipment that can handle everything from prototyping to mass production! Test machines are also permanently available. Please feel free to contact us.

Company：オカノブラスト
Price：Other

Plastic Mould
Resin mold
Blasting

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Blast processing

Introduction to various blasting processes such as steel grit blast and shot blast!

"Blast processing" is a method that uses compressed air or centrifugal force to rapidly spray abrasive materials onto a work surface, removing rust, scale, and other contaminants through impact force, while also creating a rough surface with appropriate roughness. With mobile equipment, blasting can be performed at construction sites or repair sites. In addition to general sandblasting, there are various names depending on the type of abrasive material and processing method used. Please feel free to contact us when you need our services. 【Features】 ■ Although it is performed as a pre-treatment for surface processing to improve the adhesion of various substances, it has many advantages in itself. ■ In addition to film stripping and cleaning, it can also be utilized as a standalone technique for processes such as matte finishing, peening, and deburring. ■ With mobile equipment, blasting can be performed at construction sites or repair sites. *For more details, please refer to the related links or feel free to contact us.

Company：シンコーメタリコン
Price：Other

Processing Contract
Blasting

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MSR Corporation Blast Processing (Rough Surface Treatment) Technical Introduction

In addition to the production of decorative films, it also has a high effectiveness in functional aspects such as improving adhesion.

Our "Blast Processing (Rough Surface Treatment)" is a processing technology that digitally creates calculated scratches on the surface of materials to increase surface area and enhance adhesion. When applied to mirror-finished materials, it quickly transforms them into aesthetically pleasing materials. Additionally, hairline finishes commonly used on stainless steel are also possible. We can accommodate a wide variety of materials, including polyester, fluorine films, aluminum foil, copper foil, and conductive rubber. 【Features】 - Decorative film production available - Improved adhesion - A rich lineup of processing methods to create uneven surfaces - Polishing processing possible with micron-level roll blasting - Invisible surface unevenness processing possible with plasma treatment *For more details, please refer to our catalog or feel free to contact us.

Company：MSR 第2工場
Price：Other

Other contract services
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Technology for quickly removing old paint films and rust: Blast treatment

Have you removed the rust caused by old paint films or corrosion using a stripping agent or manual scraping?

At our company, we remove old paint, rust, scale from steel plates, grease, oil, and dirt uniformly and quickly through "blast processing." Currently, we have five large blast chambers, allowing us to accommodate urgent surface treatment processing. In addition to the commonly used and cost-effective grit blasting, we also offer alumina blasting. With the motto "No rust for 100 years," we propose rust prevention and surface treatment solutions that satisfy our customers in need. 【Features】 ■ Uniform ■ Speedy ■ Capable of removing old paint, rust, scale from steel plates, grease, oil, and dirt ■ Accommodates urgent surface treatment processing *For more details, please refer to the external link or feel free to contact us.

Company：新免鉄工所
Price：Other

Surface treatment contract service
Blasting

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Single item orders are possible! Making the impossible possible with our unique technology [Precision Blast Processing].

Attention those struggling with precision blast processing! We have numerous successful solutions for challenges that other companies cannot address. Please feel free to consult with us.

There are various applications for precision blasting, such as the removal of welding discoloration, "improving adhesion" before plating, polishing the surface of cast and forged items for "aesthetic enhancement," and "surface modification" to activate the surface. These possibilities can help solve your problems, so we will introduce various applications. 【Various applications obtained through blasting】 ■ Cleaning, stripping, and removal ■ Improved adhesion ■ Enhanced aesthetics ■ Surface modification *For more details, please refer to the PDF document or feel free to contact us.

Company：東洋ブラスト工業所本社
Price：Other

Processing Contract
Other machine elements
Blasting

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Easy explanation in this one book! "Guide to Blast Processing"

"What is blast processing?" "What types of blast machines are there?" "What materials are used for blasting?" A detailed explanation of precision blast processing! *Materials available upon request.

Are there any issues like these? - I am troubled by distortion in thin materials. - There are inconsistencies in the blasting process. - It is difficult to process complex shapes uniformly. - Precise handling is required for precision parts. - I would like support for prototypes and research. - I want to create various types with different grit sizes (size of the abrasive material). - I would like to request test processing. - I want to match the sample product. - I want to blast process only specific parts. - I would like to include masking in my request. - I need ultra-short lead time and short lead time support. - I have one or two pieces, but I want them done immediately. - I requested specific grit sizes and surface roughness, but the finish is different from what I expected. - I would like surface roughness measurement data and processing inspection documents after treatment. - I want to measure roughness indicators such as Ra, Ry, Rz, and S values. - I would like a construction certificate to be created. - I want to request clean packaging after blasting or thermal spraying. - I want to remove fine dirt from the surface after processing. - I want to create various types with different grit sizes (size of the abrasive material). - I want slip resistance. - I want grip strength. ⇒ We will solve all these issues! *For more details, please refer to the PDF document or feel free to contact us.

Company：東洋ブラスト工業所本社
Price：Other

Processing Contract
Other machine elements
Blasting

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[Case Study] Blast Q&A

"Is it possible to process according to the sample?" "What sizes are available?" and other Q&A are included!

This case study collection introduces a number of Q&A about blasting. "Is it possible to produce high-precision parts such as precision machined components, molds, and engraved rolls?" and other questions like "What are the available sizes?" and "Can you handle the production of parts including blasting treatment?" are included. Please take a look. [Excerpt from the content] ■ Is it possible to produce high-precision parts such as precision machined components, molds, and engraved rolls? ■ I have masking (to prevent blasting); is that possible? ■ How long does it take for delivery? ■ Is it necessary to have data and inspection certificates? ■ Is it possible to process according to samples? *For more details, please refer to the PDF document or feel free to contact us.

Company：東洋ブラスト工業所本社
Price：Other

Processing Contract
Blasting

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Improvement of painting quality through blast treatment.

By performing blast treatment, significant improvements in painting quality can be expected.

Blast treatment is a type of surface treatment technology used to remove dirt and old paint from surfaces such as metal, concrete, and wood. Media: The media used in blast treatment includes sand, beads, glass beads, steel shot, steel grit, alumina, and carbon steel. These media are ejected from blast treatment equipment and collide with the surface to remove dirt and old paint. Pre-treatment for painting: Blast treatment is also used for surface preparation before painting. As a pre-treatment for painting, blast treatment improves the adhesion of paint by removing surface dirt and old paint, enhancing the durability and rust resistance of the painted surface. Additionally, by changing the surface shape, it can increase the adhesive surface area for the paint, thereby improving painting quality. Blast treatment is one of the surface treatment technologies and is used in many industrial fields. By selecting the appropriate media, pressure, injection direction, and time, it efficiently removes surface dirt and old paint, and is widely utilized for applications such as pre-treatment for painting, surface modification, and metal processing.

Company：原田鉄工
Price：Other

Rust Inhibitor
paint
Painting Machine
Blasting

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Mechanism of the blast effect

The effects include the removal of dirt and oxide films, improved adhesion, and enhanced strength and durability, among others.

What is blast processing? Blast processing is a type of surface treatment that involves projecting abrasive materials at high speed to process the surface. This changes and improves the condition and properties of the surface. Structure of blast processing There are two methods of blast processing: "air-type" and "mechanical-type." The air-type uses compressed air to project the abrasive material, while the mechanical-type utilizes a rotating impeller to project the abrasive material using centrifugal force. Effects of blast processing Blast processing grinds the surface and removes impurities. Additionally, fine irregularities are formed, which enhance the adhesion of paints and anti-corrosion treatments. The finish of the paintwork is also made more uniform. Blast processing is effective for anti-corrosion treatment of metals and improving their appearance. Summary Blast processing is an important method of surface treatment and is essential for the success of metal anti-corrosion and painting. The structure is simple, but its effects are significant. Harada Ironworks Hiroshima Official Link

Company：原田鉄工
Price：Other

Rust Inhibitor
Processing Contract
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Blasting

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Received Rust!? How to Remove Rust from Stainless Steel

It is possible to remove light to heavy rust through blasting! Acquired rust can be easily prevented with paint!

At Harada Ironworks, we are equipped with large blast facilities. We also keep polishing materials that can be used on stainless steel, allowing us to remove rust even when it has spread extensively and deeply. The surface after blasting has a subdued luster without shine, making it less noticeable for reflections, fingerprints, and scratches. Mild rust can be removed at home! For more details, please see the related links below. Moreover, rust transfer can be easily prevented by painting! We have extensive experience in both stainless steel blasting and painting, so please feel free to consult us. For more details, please see the related links below.

Company：原田鉄工
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Painting method to prevent SS400 from rusting for a long time.

What is SS400? In JIS (Japanese Industrial Standards), there is a standard for rolled steel materials known as general structural rolled steel. General structural rolled steel is represented by the material symbol SS, and since the minimum tensile strength is 400 MPa, it is called "SS400." It is a type of steel that is widely used across various fields, making it abundant and inexpensive to obtain. It is characterized by its ease of machining and welding, as well as its high versatility. On the other hand, it is a relatively soft material among steels, making it difficult to use in areas that require high strength, and it is prone to rust, necessitating anti-rust treatment. Therefore, some form of rust prevention treatment is required. Additionally, the surface of the steel is covered with "mill scale," which is formed when the surface becomes hot during the manufacturing process and combines with oxygen. If the mill scale is not removed, the anti-rust treatment will not last long. There are two methods for removing mill scale: "pickling" and "blasting," with blasting being superior for preventing rust over a longer period. By completely removing all foreign substances like mill scale through blasting and applying anti-rust treatment to the formed surface of the substrate, SS400 can remain rust-free for an extended period.

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Difference between Type 1 and Type 2 peeling.

To extend the lifespan of the coating, it is essential to use Type 1 surface preparation (blast treatment) that can completely expose the metal surface, rather than Type 2 surface preparation.

**Differences Between Type 1 and Type 2 Surface Preparation for Paint Removal** Paint removal was performed using Type 1 and Type 2 surface preparation. When we zoom in on the surface after processing, there is a significant difference. [See image] What exactly is surface preparation? It is introduced in the link below: [What is Surface Preparation in Painting? Purpose and Types] https://www.nc-net.or.jp/company/98405/product/detail/196279/ **About Surface Preparation Work** The most important aspect of painting is surface preparation. Surface preparation, also known as "keren," is divided into four types: Type 1 to Type 4, based on the work content and processing methods. All methods aim to change the surface to a state more suitable for painting, but there is a significant difference in the finish between Type 1 and Type 2 after processing, as shown in the photos. In metal painting, the lifespan of the paint is said to be between 10 to 50 years at most. What influences this paint lifespan is not the type or quality of the paint or the painting technique, but rather the processes before painting. The method of surface preparation is the cause that affects the paint lifespan. Type 1 and Type 2 surface preparation accounts for about 50% of the differences in paint lifespan.

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[Illustration] The Effects of Blast Treatment on Coating

By performing blast treatment, the adhesion of the paint is greatly improved, resulting in a beautiful appearance.

Blasting processing is a type of "substrate adjustment" that involves simultaneously spraying compressed air and abrasives to collide the material and abrasives at high speed. The abrasives that collide at high speed scrape away the surface of the material, exposing it. The surface of untreated materials often has a lot of oxidation films (mill scale), rust, and impurities attached to it. If these impurities are not removed, the paint will quickly peel off. Careful substrate adjustment can prevent painting defects before they occur. Blasting does not use chemicals, and there are many types of abrasives available, making it a significant advantage as it can process various materials without restriction. Additionally, it is very effective not only for painting but also as a pre-treatment for plating, lining, and coating. The countless bumps and indentations created by the impact of the abrasives increase the contact area, allowing for the 'anchor effect' where the material penetrates into the gaps and hardens. This effect significantly enhances adhesion, resulting in a more beautiful finish for the paint. With no impurities and a strongly adhered paint, it is said that the anti-corrosion effect lasts 3 to 4 times longer compared to regular painting. This allows for a reduction in the frequency of repainting, repairs, and maintenance, extending intervals and thus conserving resources and costs.

Company：原田鉄工
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Blasting Product List and Ranking from 14 Manufacturers, Suppliers and Companies | IPROS GMS

Blasting Manufacturer, Suppliers and Company Rankings

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