Natural Rubber

Natural Rubber

Trade Name(s):
ASTM D1418 Designation:NR
Standard Colour:Black
Description:

Thid materal is the vulcanized product of the juice of the Hevea tree (latex).

Key Use(s):

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.

Temperature Range:
Standard Compound:-50°C (-58°F) to 70°C (158°F) – Dry Heat Only
Hardness (Shore A):40 to 90
Features:

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.

Limitations:

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.

ES REF
Colour
Temp Range
Shore
Notes
Data Sheet
NR90BLACK-50°C to +70°C90High tensile strength, high resilience, high abrasion and high tear resistance properties, with a good friction surface and excellent adhesion to metals

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