Portfolio
The entire elastomer spectrum.
O-rings in many designs, moulded parts, back-up rings and endless vulcanisation — manufactured from all essential elastomers. From standard sizes to customer-specific special solutions.
Product categories
O-rings
German EngineeRING in the truest sense: premium quality thanks to German engineering.
Moulded parts
Demanding elastomer moulded parts made to measure — in case you did not already know.
Back-up rings
An effective bulwark: the inconspicuous but indispensable sealing aids.
Endless vulcanisation
Any desired inner diameter from approx. 1,400 mm to 3,000 mm — larger upon request.
Practical aids
From consultancy through tooling to assembly aids: COG offers concrete support.
Material selection
In sealing technology, materials make all the difference — we find the right one.
Materials
All essential elastomers — and many special materials.
Our own compounding and compound development enables us to provide the right material for every requirement. Detailed data sheets for each material are available on request.
NBR · HNBR · EPDM · EPM · FKM · FEPM · FFKM · VMQ · FVMQ · CR · IIR · NR · AU · EU · TPU · PTFE
Tools & service
The fastest routes to your O-ring.
Direct contact