PTFE · solid material · NH O-RING
PTFE O-rings
Solid PTFE O-rings: chemically almost inert, high-purity and usable across an extremely wide temperature range.
PTFE is the most chemically resistant O-ring material and covers a temperature range no elastomer reaches. For clean media and the most aggressive applications.
Key properties at a glance
The most important technical data at a glance. Exact values per compound in the data sheet.
Temperature
−250/+250 °C
very wide range
Hardness
60
Shore D
Density
2.14
g/cm³
Shelf life
unlimited
practically
Types and compounds
The available compounds of this material with their key data.
Product range flyer 2026
PDF download
The entire product range at a glance
FFKM, FKM, FEP and PTFE with temperature ranges, hardnesses and approvals, compact in one PDF. Over 200,000 sizes available, 30,000 of them from stock.
Strengths
Chemically inert
Resistant to almost all media, acids, alkalis and solvents.
−250 to +250 °C
Extremely wide temperature range, including cryogenic applications.
High-purity and FDA
For clean media, pharma and food contact.
Unlimited shelf life
PTFE practically does not age.
Standards and conformity
Toleranced to ISO 3601
Dimensions and dimensional tolerances per international standard.
REACH-compliant
Complies with the EU chemicals regulation REACH.
RoHS-compliant
Free from substances restricted under RoHS.
Data sheets and technical tools
All technical documents for design and reference, free and without registration.
O-ring data sheets
Temperature, hardness, density and approvals by material.
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O-ring size tables
Look up standard sizes and dimensions.
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O-ring resistance
Check media resistance by material.
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O-ring tolerances
Read off dimensional tolerances per ISO 3601-1.
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O-ring groove calculator
Design the housing and groove reliably.
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O-ring glossary
Terms and fundamentals explained clearly.
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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
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