What is Kalrez 4079?

Kalrez® 4079. DuPont™ Kalrez® 4079 perfluoroelastomer parts are a low compression set product for general purpose use in O-rings, diaphragms, seals and other parts used in the chemical process and aircraft industries.

What is Kalrez made of?

Because Kalrez® parts maintain their sealing integrity, you reduce your risk of environmental non-conformance. Kalrez® parts are made only by DuPont, a fully integrated manufacturer of Vespel® parts and shapes, Viton® fluoro elastomers and Neoprene rubber polymers, as well as perfluoroelastomer parts.

What color are kalrez rings?

black
A black product specifically designed for low temperature environments where significant chemical resistance is required. Kalrez® Spectrum™ 0040 parts maintain elasticity and seal force at temperatures unattainable by other perfluoroelastomers.

Is kalrez the same as Viton?

KALREZ@ perfluoroelastomer parts combine the elastomeric properties of VITON” fluoroelastomer with the chemical resistance of TEFLON@ fluorocarbon resins. vinylidene fluoride based fluoroelastomer (FKM) and KALREZ perfluoroelastomer-for service in over 1,600 chemicals and fluids.

What is Ffkm material?

What is FFKM? FFKM, or perfluoroelastomer, contains higher amounts of fluorine than standard FKM, and features higher temperature ratings, up to approximately 325°C. FFKM also has improved chemical resistance, with nearly universal chemical compatibility.

Why is kalrez so expensive?

The name Kalrez® is a trademark of Dupont. The material is actually an improved version of Viton with 20% more fluorine in the chains, making it an extremely expensive per fluorocarbon elastomer.

What is FKM O ring material?

FKM is the ASTM designation for a class of fluorinated, carbon-based synthetic rubber, commonly known as fluoroelastomer. FKM has impressive heat resistance, allowing FKM seals to withstand temperatures greater than 200°C.

Is Viton an EPDM?

Viton is a fluoropolymer and EPDM is derived from ethylene and propylene. The result is a contrast in two important properties—chemical resistance and temperature tolerances—between the two materials.

What kind of O-rings do Kalrez compounds use?

Kalrez ® 4079 compounds feature low compression set performance o-rings. Kalrez ® 6375 compounds are widely used in the chemical process industry, as they have excellent broad chemical resistance and mechanical properties. Kalrez ® 7075 can perform in high temperature O-Ring environments up to 620 ºF (325ºC).

How big are standard size Kalrez O rings?

Explore standard size o-ring sizes below. A carbon black-filled product for general use in O-rings, seals, diaphragms and other parts specifically for the chemical process industry. This product has excellent broad chemical resistance, good mechanical properties, and outstanding hot-air aging properties.

What are the properties of Kalrez 4079 compound?

Kalrez® 4079 is a black, low compression set compound for use in many dry and wet semiconductor process environments. It has excellent chemical resistance, good mechanical properties and outstanding thermal stability. Kalrez® 4079 exhibits low weight loss in reactive plasmas and has good response to temperature cycling effects.

What kind of compression set is Kalrez for?

A low compression set product for general-purpose use in O-rings, diaphragms, seals, and other parts used in the process and aircraft industries. It is a carbon black-filled product with excellent chemical resistance, good mechanical properties, and outstanding hot air aging properties.