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Common Grade Silicone Rubber for Molding and Extrusion

Time:2011-02-27 19:27Writer:djsilicone View:4801

    This product has good physical and mechanical properties and processability. This product can be divided into two sub-categories: rubber for molding and rubber for extrusion. The rubber for molding is vulcanized with 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane as vulcanizator, applicable to manufacturing of industrial miscellaneous parts such as keypads, sealing rings and sealing gaskets; and the rubber for extrusion is vulcanized with vulcanizator DCBP (Di-(2,4-dichlorobenzoyl) Peroxide), applicable to manufacturing of various electric wires, cables, hoses and tapes.

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 ≥ 
For molding NE-7125 Milk-white     light yellow 25±3 3.5 700 8 10 1.05±0.05
NE-7130 30±3 5.0 450 7 15 1.08±0.05
NE-7140 40±3 6.5 400 7 16 1.13±0.05
NE-7150 50±3 7.5 320 8 18 1.15±0.05
NE-7160 60±3 7.5 280 8 18 1.19±0.05
NE-7170 70±3 7.0 200 7 17 1.22±0.05
NE-7180 80±3 7.0 150 6 16 1.25±0.05
NE-7190 86±2 4.0 80 6 10 1.26±0.05
For extrusion NE-7240 40±2 6.5 450 14 16 1.13±0.05 18 1.0×1014
NE-7250 50±3  7.5 450 14 18 1.18±0.05 18 1.0×1014
NE-7260 60±3  7.5 360 14 20 1.20±0.05 18 1.0×1014
NE-7270 70±3  7.0 250 14 20 1.22±0.05 18 1.0×1014
NE-7280 80±3  6.5 150 10 18 1.25±0.05 18 1.0×1014

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



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