ダイコー Product Lineup

We would like to introduce our "Electrolytic Corrosion Prevention Insulation Bolt." Our lineup includes a sleeve + washer type insulation bolt that excels in electrical resistance and tightening strength, as well as the ETFE integrated electrical insulation sleeve "T9019-Z" and the "Insulation Bolt Lining" designed to prevent electrolytic corrosion caused by contact between dissimilar metals. Please feel free to contact us when you need assistance. 【Sleeve + Washer Type Features】 ■ Excellent electrical resistance and tightening strength ■ Length of the sleeve can be specified ■ Two types of washer materials can be selected based on the usage temperature ■ Excellent light resistance and weather resistance, with very little aging change *For more details, please download the PDF or feel free to contact us.

The "D7000-ST" is a PTFE sealing tape that can withstand temperatures from -100°C to 260°C, making it particularly suitable for seals in high-temperature areas. It is very easy to attach and detach. Since PTFE is a self-lubricating adhesive, screwing in and removing is simple, and it does not cause seizing. It can be used with acids, alkalis, and chemicals without dirtying your hands, and it finishes cleanly and easily. Additionally, it is not affected by the fluid being used and does not cause contamination. Due to PTFE's excellent chemical resistance, it can be used in piping for water, steam, oil, and chemicals. 【Standard Size】 ■ Thickness: 0.1mm ■ Width: 13mm ■ Length: 15m *For more details, please download the PDF or feel free to contact us.

The "D7000" is a PTFE cushion gasket that features a PTFE outer layer and uses joint sheets and heat-resistant millboard with excellent elasticity and flexibility for the core material. Thanks to the stable corrosion resistance of PTFE, it demonstrates excellent resistance to a wide range of chemicals, including corrosive fluids such as acids and alkalis, as well as organic solvents. It also possesses excellent electrical insulation properties, making it suitable for use as an insulating gasket for corrosion-resistant piping. 【Features】 ■ Excellent chemical resistance, usable with a wide variety of chemical liquids ■ Usable across a wide temperature range from low to high temperatures ■ Cushioned with high sealing performance ■ Improved creep phenomenon and stress relaxation at high temperatures, ensuring stable sealing performance *For more details, please download the PDF or feel free to contact us.

The "SGM Soft Teflon Gasket" is a revolutionary non-asbestos joint sheet gasket made of 100% PTFE, featuring excellent heat resistance and chemical resistance, as well as a combination of strength and flexibility. It possesses the required characteristics for gaskets in a well-balanced manner at a high level, allowing for versatile use without the need to differentiate gaskets for each process. 【Features】 ■ Excellent adaptability, easily sealing even on slightly uneven surfaces ■ Strong against stress fluctuations, providing stable sealing performance over a long period ■ Has the highest level of strength among non-asbestos joint sheets ■ Minimal creep relaxation, allowing for stable use over a long period even at the upper limit of the usable temperature *For more details, please refer to the PDF materials or feel free to contact us.

"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.*

In plant and building piping systems, "corrosion" is the greatest risk factor that shortens the lifespan of equipment and can lead to serious accidents. Among these, "galvanic corrosion" (dissimilar metal contact corrosion) that occurs when different metals are connected progresses rapidly and is a phenomenon for which countermeasures are essential. The standard method to prevent this galvanic corrosion is the use of "insulation kits" (insulation bolts and gaskets). Among these, the "insulation lining bolt," which has the bolt shaft coated with fluororesin, is particularly excellent in terms of workability and reliability, and can resolve installation issues on-site (such as interference with gaskets). This article will thoroughly explain the mechanism of why "galvanic corrosion" occurs, why insulation lining bolts are supported on-site, their structural advantages and specifications, and the appropriate selection methods tailored to on-site standards. *For detailed content of the column, please refer to the related links. For more information, feel free to download the PDF or contact us.

"When different metals are combined, one side becomes abnormally rusty." "Corrosion is spreading around the bolts of the piping flange." These are typical problems caused by "galvanic corrosion," which is frequently encountered in plants and machinery. Galvanic corrosion can be effectively prevented by correctly understanding its mechanism and taking appropriate measures. This article focuses on "electrical insulation," one of the many preventive measures against galvanic corrosion, and provides a comprehensive explanation of specific methods and how to select suitable insulation products according to site conditions. *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.*

"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.

In the maintenance of piping flanges, "electrolysis" is a serious issue that can shorten the lifespan of equipment and potentially lead to significant leakage accidents. Particularly, caution is required in piping lines that combine different types of metals. This page provides a detailed explanation of the mechanisms behind electrolysis and effective "insulation" measures to prevent it. *For more detailed information, you can view the related links. For further details, please download the PDF or feel free to contact us.*

■Overview of Processing Example Dimensions: φ120 × φ80 (Thickness 4t) This example involves the processing of a PTFE (Teflon) ring gasket used in the flange part of equipment. Plotter processing is employed for applications requiring chemical resistance and low friction. It ensures reproducibility of inner and outer diameter dimensions and stable cutting quality, contributing to improved sealing during assembly. ■Product Features (PTFE) PTFE (fluororesin) is a high-performance material with exceptional heat and chemical resistance. It withstands almost all acids, alkalis, and solvents, and has minimal leaching of impurities, making it widely used in food, pharmaceuticals, and chemical plants that are sensitive to contamination. It also possesses non-stick and insulating properties, making it a highly reliable resin that maintains stable performance even in harsh environments.

Overview of Processing Example Product Name: Single Cut Circular Gasket Dimensions: Outer Diameter φ212 / Inner Diameter φ168 Material: PTFE (Teflon) 1t This example involves a circular gasket made of PTFE material with a single cut, enabling retrofitting to existing equipment. It was processed using water jet cutting to meet replacement needs without disassembly. Product Features (Material) PTFE PTFE (fluororesin) is a high-performance material with exceptional heat and chemical resistance. It withstands almost all acids and alkalis, and has minimal leaching of impurities, making it widely used in industries that require contamination-free environments, such as food, pharmaceuticals, and chemical plants. It also possesses non-stick and insulating properties, providing reliable performance even in harsh conditions.

From semiconductor manufacturing equipment to chemical plants and electrical insulation applications. As a reliable piping material in harsh environments, "TOMBO No.9003 Naflon PTFE Tube" has been chosen for many years. In the new semiconductor processes, ultra-high-performance grades like "PFA-UG" have also emerged, but for general industrial applications, the "PTFE Tube" still offers the best balance of cost and performance. We will thoroughly explain its specifications and reasons for being chosen. *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.*

From semiconductor manufacturing equipment to chemical plants and electrical insulation applications. As a reliable piping material in harsh environments, the "TOMBO No.9003 Naflon PTFE Tube" has been chosen for many years. In the latest semiconductor processes, ultra-high-performance grades like "PFA-UG" have also emerged, but for general industrial applications, the balance of cost and performance is still best with this "PTFE Tube." We will thoroughly explain its specifications and reasons for being chosen. *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.*

In chemical plants and lines handling corrosive fluids, the selection of seals is the most critical issue that affects the safety and lifespan of equipment. Among them, the "fluororesin (PTFE) gasket," which boasts excellent chemical resistance, is an indispensable component. However, to fully leverage its high performance, a deep understanding of the product's structure and extremely precise selection tailored to the usage conditions are required. This article comprehensively explains the complex selection methods, processing, and usage precautions, focusing particularly on the "TOMBO No.9010 Naflon PTFE cushion gasket," which has a wide variety of combinations, based on technical materials from Nichias Corporation. *For detailed content of the column, please refer to the related links. For more information, feel free to contact us.*

In a line handling strong acids and strong alkalis, the deterioration and leakage of gaskets occur frequently." "With glass-lined flanges, it is impossible to apply sufficient tightening 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, a high-performance sealing material that embodies the philosophy of "the right material in the right place" in its ultimate form is Nichias Corporation's "TOMBO No.9010" (Naflon PTFE cushion gasket), commonly known as the "wrapped gasket." This article will delve into the three significant benefits that this high-performance composite gasket brings to the field, how it can resolve the challenges you face, and provide specific guidelines for selecting the optimal 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, feel free to download the PDF or contact us directly.