Kalrez UltraPure O-Ring D15554678

Product specifications: AS-568 O-RING
Encoding: K# 222
Compound: 9100
Nom: 1.484 × 0.139 in.
Nom: 37.69 × 3.53 mm
Cure Date: 11/16/2022
Product traceability code: Z22101407000663

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Popular Kalrez O Ring Compounds and Their Uses

DuPont offers a broad portfolio of Kalrez compounds tailored for specific applications:

Compound	Description	Max Operating Temp	Key Benefits
Kalrez 0090	High hardness, excellent rapid gas decompression resistance	327°C (620°F)	Ideal for downhole and industrial equipment
Kalrez 1050LF	Carbon black filled, good steam and amine resistance	288°C (550°F)	Chemical processing seals
Kalrez 4079	Low compression set, excellent thermal stability	316°C (600°F)	Aerospace and chemical industry use
Kalrez 6221	White FDA-compliant grade	260°C (500°F)	Pharmaceutical and food processing
Kalrez 6375	Broad chemical resistance for semiconductor processes	316°C (600°F)	Semiconductor wafer processing
Kalrez 7075 UP	Carbon black filled, enhanced thermal resistance	327°C (620°F)	Chemical and hydrocarbon processing
Kalrez Spectrum 7375	Patented crosslinking system for chemical and steam resistance	316°C (600°F)	Advanced chemical processing

FFKM is the generic material class for perfluoroelastomers. Kalrez is the brand name of FFKM materials manufactured by DuPont™. Hitron manufactures high-quality FFKM O-rings that are directly compatible in dimensions and performance with Kalrez parts, offering cost-effective alternative for semiconductor manufacturing maintenance and OEM applications.

Both materials offer similar chemical and temperature resistance. Hitron FFKM O-rings undergo the same strict quality testing to ensure performance meets or exceeds specifications required for semiconductor processing environments.

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