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Datasheet generated 2026-06-07
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DuPont Kalrez 1050LF O-Ring AS568-112

DuPont · Seals & Gaskets · O-Rings · USA · dupont.com
Part Number
KLZ-1050LF  ·  HS 4016.93
DuPont Kalrez 1050LF O-Ring AS568-112

Kalrez 1050LF perfluoroelastomer (FFKM) O-ring. Low-friction dynamic-seal grade. Pharmaceutical, CIP valve stems. FDA 21 CFR 177.2600 + USP Class VI.

Technical Specifications

MaterialFFKM perfluoroelastomer, black
CompoundKalrez 1050LF
Hardness75±5 Shore A
Max Temp327°C (327°C continuous)
Min Temp-6°C
SizeAS568-112 (metric + AS568B inch sizes available)
BasePerfluoroelastomer (FFKM)

Properties

MaterialFFKM (Perfluoroelastomer)
Temperature range-6°C to +327°C
MOQ1

Compatibility

Drop-in replacement for generic FFKM seals in aggressive chemical process service. AS568B Uniform Numbering System size interchangeable with all major O-ring manufacturers.

Standards

Approvals