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Rubber Technologist Wanted for Growing Team - April 2017

Due to growth, an exciting opportunity has arisen for a Rubber Technologist / Senior Technologist to...read more

Polymer Types - NR - Natural rubber...

Clwyd reference NR
ASTM classification NR

Natural rubber

Typical applications Food and beverage seals, automotive diaphragms, rubber to metal bonded anti-vibration isolators and mounts
Advantages

High tensile strength
Good resilience and abrasion properties
Excellent compression set resistance

Disadvantages

Poor resistance to oils and non-polar solvents
Poor steam resistance
Poor ozone and weathering resistance

 
Available hardness range (Shore A) 35 – 90
Upper continuous service temp. (°C) 80
Min. temp. for sealing applications (°C) -50
Minimum non-brittle  temp.  (°C) -70
Tensile strength (up to) 25 MPa
Elongation at break (up to) 650%

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