Last Updated： Aggregation Period:Nov 12, 2025～Dec 09, 2025
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Since PTFE is used as a filler, it is particularly suitable for sealing highly permeable fluids and gases.
A spiral wound gasket is a gasket that is formed by winding a metal strip shaped like a V, called a hoop, around a filler material, known as a cushioning material, while overlapping them, and fixing the beginning and end of the winding with spot welding.
Explaining the "three major benefits" that the PTFE cushion gasket TOMBONo.9010 brings to the field.
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.
A filter in the form of a gasket with a metal mesh sandwiched between PTFE gaskets.
This is a filter with a metal mesh sandwiched between PTFE gaskets. It uses SUS316 plain woven mesh. There is a possibility of damage due to clogging, etc. If you are using it for the first time, please check if it is suitable for your operating conditions through a trial run. *For sizes #100 and above, it has a double structure for reinforcement.
![[Plotter Processing Example] PTFE Soft Gasket](https://image.mono.ipros.com/public/product/image/2069787/IPROS15560443473874646355.png?w=280&h=280)
Introducing a processing example of "TOMBO No.9096" manufactured by Nichias Corporation!
We would like to introduce a case where we manufactured a flange gasket from a PTFE soft gasket "TOMBO No.9096" (thickness 5mm) based on the customer's drawing. The processing details include creating a ring shape with an outer diameter of φ170mm and an inner diameter of φ114mm, with six φ12mm bolt holes drilled at a P.C.D. of 150mm. Using our plotter processing machine (with router functionality), we processed directly from the data without creating a die. 【Features of Plotter Processing】 ■ Cost reduction without the need for a die ■ Supports small lot production from one piece ■ Easy repeat ordering with data storage ■ Compatible with various materials and shapes *For more details, please download the PDF or feel free to contact us.
Since PTFE is used as a filler, it is particularly suitable for sealing highly permeable fluids and gases.
A spiral gasket is a gasket that is formed by winding a metal strip shaped like a V, called a hoop, around a cushioning material known as a filler, with the beginning and end of the winding secured by spot welding.
A lineup of Teflon-based gaskets with excellent chemical resistance and electrical insulation properties!
At Daiko Co., Ltd., we handle a variety of "Teflon-based gaskets." The "pure Teflon" is a gasket made from punched Teflon (PTFE). It has excellent chemical resistance and also features outstanding electrical insulation properties. In addition, we offer products such as "Teflon sand," which uses a heat-resistant millboard as the core material and has PTFE as the outer layer, providing excellent elasticity and flexibility, as well as "filled Teflon" and "soft Teflon." 【Features】 < Pure Teflon > ■ Gasket made from punched Teflon (PTFE) ■ Excellent chemical resistance and electrical insulation ■ Operating temperature range: -50 to 100℃ ■ Maximum operating pressure: 1MPa (10kgf/cm²) *For more details, please refer to the PDF document or feel free to contact us.
Supports a temperature range of -200 to 280℃! Gland packing woven with aramid fibers.
"6943" is a grand packing manufactured by Gambit in Poland and Balkan in the UK. It is a packing made of aramid fibers impregnated with PTFE resin and special lubricants, suitable for a temperature range of -200°C to +280°C. 【Features】 ■ Packing made of aramid fibers impregnated with PTFE resin and special lubricants *Please feel free to contact us for more details about the product. *When calling, it will be smoother if you mention "Ipros" as a reference. TEL: 0595-39-1110
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.
This is a high-performance packing treated with low torque processing using PTFE dispersion.
The "KS-4000T" is a high-performance packing made by braiding expanded graphite yarn reinforced with Inconel wire into a rectangular cross-section and applying a low-torque treatment with PTFE dispersion. It can be used alone. Additionally, we offer high-performance packing "KS-4000TLG," which has been treated for low torque with PTFE, lubricating oil, and fine graphite, as well as high-performance packings "KS-4010(L/LG)" and "KS-4010T," which are made by braiding expanded graphite yarn into a rectangular cross-section. 【Performance Values】 ■ Temperature (°C): 350 ■ Valve Pressure (Mpa): 25.9 ■ Pump ・ Pressure (Mpa): - ・ Peripheral Speed (m/s): - ・ PV Allowable Value: - ■ Motion Equipment (Rotation) ・ Pressure (Mpa): - ・ Peripheral Speed (m/s): - ■ pH Range: 0-14 *For more details, please refer to the PDF document or feel free to contact us.
Spiral gasket
Gaskets used in the piping and joints of various machines ■□■Features■□■ ■Depending on the conditions of use (temperature, flange diameter), reinforcements such as SS and SUS can be added, or fillers can be replaced with PTFE or graphite for production. ■Diameters range from approximately Φ10 to Φ1500, and oval or irregular shapes can also be manufactured, including branched types. ■For more details, please download the catalog or contact us.
PTFE is a resin that excels in corrosion resistance and heat resistance.
These are processed products made from PTFE sheets, particularly in square or irregular shapes. Thicknesses of 1mm, 1.5mm, and 3mm are common.
Active in harsh environments requiring no lubrication, extreme low temperatures, chemical resistance, and heat resistance! A substitute for O-rings and oil seals!
This is a sealing packing that combines the properties of PTFE (low friction, heat resistance, chemical resistance, etc.) with the followability provided by the elastic force of a spring. We will respond to various conditions such as "liquid hydrogen," "abrasive fluids," "non-lubricated sliding," and "high speed and high pressure" with Seal Tech's 35 years of sales experience and know-how tailored to your applications! Seal Tech's proposed spring-loaded seals will solve your sealing packing issues! 【Features】 ■ Usable for both fixed and moving seals ■ Compatible with most chemical agents and organic solvents ■ Usable from ultra-low temperatures of -269°C to high temperatures of +316°C ■ Usable from high vacuum to high pressure (inquiry required) ■ A wide range of sealing materials (fillers) and spring materials available depending on the fluid and conditions ■ Lineup according to JIS-P size for moving O-ring groove dimensions * Due to machining, we can also accommodate other groove standards and special groove dimensions and shapes. ★ Our company has accumulated know-how regarding "hardware conditions and compatibility" through years of experience. This is also very important for selecting the appropriate seal design (performance, lifespan, etc.). Please feel free to consult us about your applications (usage conditions) and requests.
Compared to punched rubber sheet gaskets, it has a more stable sealing performance at lower surface pressure!
The "D Packing" we handle is a gasket made by press-molding EPDM rubber into a specific cross-sectional shape. Its structure, featuring two O-ring shaped protrusions, demonstrates excellent sealing performance even at low tightening surface pressures. It can also be used with resin flanges and resin-lined flanges. Additionally, we offer the "D Packing PTFE Coated," which is made by press-heating and molding a PTFE film onto EPDM rubber molded products to create a bonded unit. 【Specifications】 ■ Maximum operating pressure: 0.98 MPa (approximately 10 kgf/cm³) ■ Operating temperature range: -40℃ to 100℃ ■ Available sizes: - 5K: 15A to 300A - 10K: 15A to 300A *For more details, please download the PDF or feel free to contact us.
Is there a material that can improve the creep phenomenon of Teflon?
Daiko Corporation will answer your questions regarding gaskets and packing. 〇 Creep Phenomenon It is known that fluoropolymer-based gaskets experience significant decreases in bolt axial force due to creep relaxation characteristics. This reduction in bolt axial force raises concerns about sealing performance, and the risk of leakage accidents increases due to internal pressure loads and external forces from earthquakes, making it necessary to properly manage bolt axial force through re-tightening. 〇 Countermeasure Products We offer gaskets that improve creep resistance by mixing PTFE with special inorganic fillers that have corrosion and heat resistance, suitable for use up to 200°C. Representative products include Vulcan's V7020 and Nichias's T9007LC. They are resistant to almost all fluids except for hydrofluoric acid and strong alkalis. We have stock in sheet form and can process it to your specified dimensions.
