Natural Rubber
Seals in food and beverage applications. Most popular material for non-hydraulic sealing applications. Mainly used for dampeners due to its ability to absorb vibration.
This material is the vulcanized product of the juice of the Hevea tree (latex).
Key Uses: Seals in food and beverage applications. Most popular material for non-hydraulic sealing applications. Mainly used for dampeners due to its ability to absorb vibration.
High tensile strength, high resilience, high abrasion and high tear resistance properties, with a good friction surface and excellent adhesion to metals. Until the invention of synthetic elastomers in the 1930’s, this material was the only polymer available for O-ring manufacture. Natural Rubber features good resistance to organic acids and alcohols, with moderate resistance to aldehydes.
General specifications (actual specifications may vary)
ASTM D1418 Designation
- NR
Standard Colour
- Black
Not widely used in sealing industry due to poor compression set performance and lack of resistance to many fluids.
Please note: This Material Data Sheet section is to be used as a professional guide only. Eastern Seals (UK) Ltd may source their products from a variety of Quality Approved Suppliers and the data shown should not be relied upon by any purchaser without verification of material source.
Key Information
ES REF |
Colour |
Temp Range |
Hardness |
Notes |
Data Sheet |
| NR70 | BLACK | -40°C to +80°C | 70 | High tensile strength, high resilience, high abrasion and high tear resistance properties, with a good friction surface and excellent adhesion to metals |
REQUEST A CALLBACK
If you have any queries, or would like any more information,
don’t hesitate to get in touch
Online store
We are the largest supplier of British Standard, Metric series O-rings and sealing solutions.
Visit Store Now