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Simriz®
O-rings and Seals
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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.
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Photographer: Can Stock Photo Inc. | gemphotography
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