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Modified Rubber for Molding and Extrusion

Time:2011-02-27 18:05Writer:djsilicone View:3173

    This product is manufactured with high-quality raw materials and has three series. Its special formula are designed for cable accessories and the molded or extruded products requiring some strength in ordinary industries. The product is corona-resistant and arc-resistant, with stable weatherability and electrical insulating property. It has high transparency and physical & mechanical properties. The rubber for molding is vulcanized with 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane as vulcanizing agent and the rubber for extrusion is vulcanized with vulcanizing agent DCBP (Di-(2,4-dichlorobenzoyl) Peroxide), particularly applicable to manufacturing of various wall bushings, cable accessories, electrical insulation products and other industrial products. 

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-341 Milk-white translucent 40±2 7.5 450 5 20 1.12±0.05 20 5.0×1014
NE-345 45±2 8.0 420 6 20 1.14±0.05 20 5.0×1014
NE-351 50±2 8.0 400 6 20 1.16±0.05 20 5.0×1014
NE-3140 40±2 7.5 450 5 20 1.12±0.05 20 5.0×1014
NE-3150 50±2 8.0 400 6 20 1.16±0.05 20 5.0×1014
NE-3160 60±2 8.0 300 9 20 1.20±0.05 20 5.0×1014
For extrusion NE-3250 52±2 8.5 420 10 20 1.18±0.05 20 5.0×1014
NE-3260 62±2 8.0 300 9 20 1.20±0.05 20 5.0×1014
NE-3270 72±2 7.5 260 9 20 1.22±0.05 20 5.0×1014

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
Modified Rubber for Molding and Extrusion(TDS)

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