KEF Europe

Small is Beautiful

Specialist of micro o-rings, custom made gaskets and sealings

KEF Europe is the European Branch of KEF Corporation, a company registered in JAPAN. KEF Corporation develops its own elastomers and manufactures those gaskets and sealings by compression and injection moldings.

Providing Japanese made quality for half-century history in this market of precision molding and a reference in the precise Swiss watch industry.
Our strengths are the Quality, Precision and Material Innovation. KEF R&D team is keen on developing new materials for your future demand.

Medical

Highly specialized micro o-rings, tailored to your medical needs with compliant, medical grade materials.

Aerospace
Engineering

Manufactured diaphragms, o-rings, & rubber seals according to strict quality standards for Aerospace equipment, satellite transmitting equipment.

Wrist Watch

Small and Micro o-rings, Shape rings, Rubber seals, Gasket and Damper for Wrist Watch, for the Glass, Case, Bezel and Crown in various materials.

Our specialty, Low Friction Dynamic o-rings.

IT,Electronics, Optics & Office/Home Appliances

Essential precise parts for Hard-disk memory,　Information &Communication Technology, electronics and Office and Home appliances. 

Automotive
Industry

Precise fluid sealings and gaskets for automobile. 

Our Material

Elastomer

PNBR（Nitrile Butadiene Rubber),

HNBR(Hydrogenated nitrile Butadiene Rubber), CR(PolyChloroprene),

IIR(Isobutylene-Isoprene Rubber),

EPM(Ethylene Propylene Rubber),

EPDM(Ethylene Propylene Diene Monomer), ACM(Polyacrylate rubber),

PU(Polyurethane),

VMQ(Silicone),

FKM(Fluorocarbon Rubber)

FFKM(Perfluorocarbon Rubber)

For more information, see Materials page

KEF Micro O-ring

Video made by KEF America