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Common Grade Fumed Rubber for Extrusion

Time:2010-09-22 14:37Writer:djsilicone View:2562

    Common grade fumed rubber for extrusion has good extrudability and yellowing resistance. They are applicable to production of various silicone rubber tubes, sealing joint strips, foam strips, shaped strips, wires and cables by extrusion process.

Category Product model Appearance Hardness
Shore A
Tensile strength
Mpa ≥
Elongation at break
% ≥
Breaking set
% ≤
Tear strength B
kN/m ≥
Specific density
25℃ g/cm3
Dielectric strength  kV/mm ≥ Volume resistivity
Ω.cm ≥ 
General grade fumed rubber for extrusion NE-9640 Transparent 40±2 8.0 500 12 20 1.13±0.04 20 1.0×1015
NE-9650 50±2 8.5 400 12 25 1.15±0.04 20 1.0×1015
NE-9660 60±2 8.5 400 12 25 1.18±0.04 20 1.0×1015
NE-9670 70±2 8.5 300 12 25 1.22±0.04 20 1.0×1015
NE-9680 80±2 8.0 200 10 20 1.25±0.04 20 1.0×1015

Addition of curing agent: liquid 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane, silicone rubber 0.65%.
Test piece vulcanization condition: 175℃×5min, post-curing condition: 200℃×4h.  
Related material download:
Material Safety Data Sheet (MSDS)for Fumed Silicone Rubber
LFGB Test for Fumed Silicone Rubberr
FDA Test for Fumed Silicone Rubber
RoHS and Other Restricted Substances Test for Silicone Rubber
Substances of Very High Concern Test(SVHC)for Silicone Rubber
Common Grade Fumed Rubber for Extrusion(TDS)

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