PTFE seals
PTFE where rubber reaches its limit. Order by size, code or machine. Rubber items in NBR, silicone or FKM (Viton-type), to your requirement. Every item checked before despatch.
Sizes on request. Send the old part or its dimensions.
PTFE items.
PTFE backup rings
Fit beside an O-ring on the low-pressure side and stop it extruding under high pressure.
PTFE O-rings
Rigid, low-friction rings for chemicals and heat.
PTFE washer seals
Flat PTFE washers for chemical-contact joints.
PTFE gaskets
Chemical-resistant flat gaskets for flanges and covers.
Send the size, code, machine model or the old part
Send the size, the code, the machine model or the old part by email or WhatsApp. A photo with dimensions works too. Sizes are confirmed on request.
Common questions
When do I need a PTFE backup ring?
Why PTFE instead of rubber?
How do I order the right size?
Send the size or the old part and we will match it.
Send your RFQ
Tell us what you need. Fields marked * are required. Everything else helps us recommend the compound.
Exonel Industries is a rubber components firm in Howrah, Kolkata, West Bengal, working with customers across India. Custom parts are produced in-house to your drawing in six base polymers. The standard range is ordered by size, code or machine, and every item is checked before despatch.