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Rubber Technologist Wanted for Growing Team - April 2017

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Polymer Types - SBR - Styrene-butadiene rubber...

Clwyd reference SBR
ASTM classification SBR

Copolymer of styrene and butadiene

Typical applications Hydraulic brake systems seals and diaphragms, plumbing applications
Advantages

High tensile strength
Good resilience
High water resistance

Disadvantages

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

 
Available hardness range (Shore A)

40 – 95

Upper continuous service temp. (°C) 100
Min. temp. for sealing applications (°C) -25
Minimum non-brittle  temp.  (°C) -50
Tensile strength (up to) 25 MPa
Elongation at break (up to) 500%

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