COG is absolut uncompromising with the
quality of their products. Because this is the
reason why our clients are among the best
in their respective industries. COG delivers
Europe's largest O-Ring stock (over 45,000
items in stock) most differerent cpomponds, incl.
FFKM/FFPM. Come and test over 100 years of experience
and innovation!

• Over 45,000 items in stock
• In-house mixing, mixture development and production
• also small-scale production
   

Our product range includes:

• O-Rings, produced according to ISO 3601: All current materials: ACM, AU, CSM, CR, EPDM, EPM, FEPM, FFKM, FPM, FYMQ, HNBR, IIR, NBR, NR, PTFE, PVMQ, VMQ. Here you will find more information about sealing materials
• Inside diameter from 0.74 to 1400 mm; Strength of thread from 0.6 to 30mm
• With the production technique Endless Vulcanisation: all inner diameters between 1400 mm and 3000 mm possible for FPM and EPM compounds with a cord diameter from 5 to 14 mm and for NBR compounds with a cord diameter from 8 to 14 mm.
• Shape: In small ranges: sealing collars, flat rings, square rings can be produced from a model or sketch from the above mentioned materials.