FFKM · FKM · FEP · PTFE
The high-performance supplier for O-rings
Over 200,000 O-ring sizes available, 30,000 of them from stock. No minimum order quantities, no tooling costs.
Specialist for O-rings made from high-performance materials: FFKM (our own brand ECOLAST®), FKM, FEP-encapsulated and PTFE. Fast, technically sound, reliable.
What our customers say
5.0/5
★★★★★
Google · 50+ reviews
4.8/5
★★★★★
ProvenExpert · 613 reviews
600+
★★★★★
delighted customer reviews
★★★★★
Found our ideal supplier
A business partner you could only wish for. Competent, reliable and helpful.
Marcel Z.
★★★★★
Spot-on advice
Fast and professional advice, quotes and delivery. I can only recommend them.
Martin N.
★★★★★
Lightning-fast processing
From inquiry to delivery in under five working days, and that by standard shipping.
Thomas R.
★★★★★
Perfect order handling
Simply perfect order handling. A very attentive sales team. Happy to order again.
Timo C.
★★★★★
Top quality and speed
Short response times, fast delivery, top quality.
Marcel G.
★★★★★
Simply outstanding
It hardly gets any better. Competent, fast and straightforward. Thank you.
Alexander F.
★★★★★
Expertise and friendliness
Extremely competent and very friendly. Advice and cooperation could not be better.
Anja K.
★★★★★
Lightning-fast and reliable
Perfect, competent service and advice, lightning-fast reliable delivery.
Ingo W.
★★★★★
Inquiry made easy
Friendly contact, an easy-to-understand form for the price inquiry, plus good answers to follow-up questions. Anytime again.
Michaela N.
Our O-ring range
FFKM
ECOLAST®Perfluoroelastomer
−40/+340 °C70-90 Shore AFDAUSP VI3-A
The technical maximum: almost universally resistant, for food, pharma and chemical applications. 5,000 sizes from stock.
To ECOLAST FFKM →FKM
Fluoroelastomer
−40/+225 °C70-75 Shore AFDA
The proven standard, resistant to oils, fuels and many chemicals. Also available as an FDA variant.
To FKM O-rings →
FEP
FEP-encapsulated
−60/+205 °C90 Shore AFDA
Encapsulated O-rings with an FKM or silicone core, almost universally resistant, for aggressive media.
To FEP O-rings →
PTFE
Solid material
−250/+250 °C60 Shore DFDA
Chemically inert and high-purity, for the most aggressive media and extreme temperatures.
To PTFE O-rings →Product range flyer 2026
PDF download
The entire range at a glance
FFKM, FKM, FEP and PTFE with temperature ranges, hardnesses and approvals, compact in a single PDF. Over 200,000 sizes available, 30,000 of them from stock.
One company, one product, one team
What we stand for
We make high-performance O-rings simply available: over 200,000 sizes available, 30,000 of them from stock, with no minimum order quantities.
Eugen Schuch · Customer Service
The academy for O-rings
Design
10 questions: O-ring data sheets
The ten most important questions on reading O-ring data sheets correctly, simply explained.
Learn more →
Design
10 questions: O-ring grooves
The ten most important questions on designing O-ring grooves correctly, simply explained.
Learn more →
Storage
10 questions: O-ring storage
The ten most important questions on storing O-rings correctly, simply explained.
Learn more →
O-ring tools
O-ring size tables
Look up standard sizes and dimensions.
Open →
O-ring resistance
Check media resistance by material.
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O-ring groove calculator
Design the housing and groove reliably.
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O-ring tolerances
Read off tolerances per ISO 3601.
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O-ring glossary
Terms and fundamentals explained clearly.
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O-ring data sheets
Technical data sheets for all materials.
Open →
Over 200,000 O-rings available.
30,000 of them from stock.
30,000 of them from stock.
Become a customer and get access to over 200,000 available O-ring sizes, 30,000 of them from stock: no minimum order quantities, no tooling costs, and with personal expert advice.
Over 200,000 O-ring sizes available
30,000 sizes from stock, 5,000 of them in FFKM
No minimum order quantities and no tooling costs
Expert advice and service within 30 minutes
5.0/5★★★★★Google · 50+4.8/5★★★★★ProvenExpert · 613