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Simriz® O-rings and Seals

Simriz Elastomer

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Simriz o-rings and seals: Perfluoroelastomers have an high fluoric content. Because of the high bond energy between the carbon-atom and fluorine-atom, the result is an excellent chemical and thermal resistance, the widest chemical resistance of any elastomeric material. Perfluoroelastomers (FFKM) combine the resilience and sealing force of an elastomer with a chemical resistance approaching that of PTFE. Truly Simriz Perfluoroelastomers can be used in a plurality of chemicals with nearly all functional groups.

Typical uses of Simriz o-rings and seals: Crystal Growth, Epitaxial Silicon, LPCVD/Oxidation, Coater/Developer, CVD, Dry Etch, Resist Stripping, Wet Etch, PVD

Chemistry: Copolymer of tetrafluoroethylene and perfluorovinyl ether.

Simriz is a family of perfluoroelastomer compounds designed to provide superior chemical resistance and thermal stability.

With a fluorination level of 72%, FFKM elastomers have a level of resistance close to that of pure PTFE at 76%. At the same time, FFKM materials exhibit resilience that makes them an excellent choice for applications where resistance to aggressive chemicals and tight sealing is needed. Thorough selecting the right patented cross-linking system the beneficial proprieties of Simriz have been optimized. This provides Simriz o-rings and seals with excellent chemical resistance, including resistance to organic amines and steam.

Simriz o-rings and seals are available in nine different Simriz compounds. Each compound is specifically designed to optimize the following criteria and to meet market specific application needs: broad chemical resistance, mechanical properties (hardness, tensile strength, elongation, etc.), compression set resistance, high temperature capability at 320° (610°F), and low temperature flexibility at -20°C (-4°F).

Because of its chemical resistance and thermal stability, a Simriz o-ring or seal is ideal for demanding environments often found in chemical processing, pharmaceutical, semiconductor, aerospace, oil and gas, and general industrial applications.

High Temperature Simriz Our high temperature Simriz o-rings and seals have a temperature range of -10 to +300 degrees C!
Properties The Simriz compound is one of the most thermally stable elastomeric materials available. The effective service temperature for Simriz seals and o-rings is 200 degrees C (continuous)/250 degrees C (peak).
Applications Because of the chemical resistance, plasma resistance, thermal stability and low contamination of Simriz o-rings and seals, they are widely used in many industries.
Chemical Resistance Fully-fluorinated monomers in Simriz provide superior protection against chemical attack.
Thermal Stability This chart is a comparison of the thermal stability of several common elastomers, including Simriz.

Simriz Compound: SZ481 Black
SZ481 is a 71-durometer perfluoroelastomer with low-compression set and high strength. The operating temperature range is from -14º F to 446º F. Tensile Mpa (Psi) is 17.1 (2,480). Common application environments for SZ481 Black Simriz o-rings are aggressive acids, bases and solvents.

Simriz Compound: SZ484 Black
SZ484 is a 76-durometer perfluoroelastomer with low-compression set and high-strength and it is FDA compliant. The operating temperature range is from -14º F to 446º F. Tensile Mpa (Psi) is 22.1 (3205). Typical application environments are aggressive acids and bases.

Simriz Compound: SZ485 Black
SZ485 is a 76-durometer perfluoroelastomer with low-compression set and high-strength. The operating temperature range is from -14º F to 446º F. Tensile Mpa (Psi) is 18.5 (2680). Common application situations are aggressive acids, bases, solvents, and steam. SZ485 Black Simriz o-rings are also suited for many non-oxidizing dry process chemistries.

Simriz Compound: SZ486 White
SZ486 is A 78-durometer perfluoroelastomer with low-compression set and high strength. The operating temperature range is from -14° F to 446° F. Tensile Mpa (Psi) is 18.0 (2610). Common application environments for SZ486 White Simriz seals are aggressive dry process chemistries, including reactive plasmas.

Simriz Compound: SZ487 Black
SZ487 is a 79-durometer perfluoroelastomer that withstands high temperatures. The operating temperature range is from -14º F to 615º F. Tensile Mpa (Psi) is 18.7 (2710). The usual application environments are aggressive acids, bases and solvents.

Simriz Compound: SZ488 Ivory
SZ488 is a 73-durometer perfluoroelastomer with high temperatures. The operating temperature range is from -14º F to 572º F. Tensile Mpa (Psi) is 17.0 (2,465). Common application situations for SZ488 o-rings and seals are aggressive dry process chemistries, including reactive plasmas.

Simriz Compound: SZ489 Clear
SZ489 is a 69-durometer clean perfluoroelastomer. The operating temperature range is from -14° F to 500° F). Tensile Mpa (Psi) is 13.5 (1960). Typical application environments for SZ489 Clear seals are aggressive acids, bases and solvents as well as aggressive dry process chemistries, including reactive plasmas.

Simriz Compound: SZ134 Black
SZ 134 is a 89-durometer perfluoroelastomer. Tensile Mpa (Psi) is 21.5 (3117).

Simriz Compound: Z7257 Black
Z7257 is a 77-durometer perfluoroelastomer.

* © Photographer: Can Stock Photo Inc. | gemphotography

 

 

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