Economic High Tear Strength Fumed Silicone Rubber for Molding

Economic High Tear Strength Fumed Silicone Rubber for Molding


●They are applicable to the molding process and can be used to manufacture silicone rubber products requiring high tear strength.

●Physical data in the above table is for reference only.

●Vulcanization condition: 175℃*5Min.

●Post-curing condition:200℃* 4h.

●Ratio of curing agent liquid 2,5-Dimethyl-2,5-di(tert-butylperoxy) hexane: 0.65%.

● The Quality Inspection Department obtains the supplied test report with the curing conditions and testing method of the company; due to the difference in curing conditions and testing method, we can’t guarantee that both parties obtain the same testing result, and we suggest that users should use the test data obtained under their own testing conditions as the reference for service performance. All the above performance data and application recommendations are only a reference for use on the service performance of the product, instead of a guarantee of the effectiveness or general applicability of our products under a particular application.


PropertiesProduct DataTest Method
AppearanceTransparent,no extraneous matter.Visual Inspection
Density,  g/cm31.06~1.101.09~1.151.12~1.181.14~1.201.17~1.23ASTM D792
CuringHardness,   Shore A30±240±250±260±270±2ASTM D2240
Tensile Strength,  MPa  ≥8.08.5ASTM D412
Elongation at Break,  %   ≥600500400300
Tension Set,  %       ≤8
Tear Strength, Die C  kN/m ≥183035ASTM D624
Post-curingHardness,  Shore A33±245±255±265±275±2ASTM D2240
Tensile Strength, MPa    ≥ D412
Elongation at Break, %    ≥540450350300250
Tear Strength, Die C kN/m  ≥101820ASTM D624
Rebound Resilience,  %     ≥504540/
Volume Resistivity,  Ω ▪cm  ≥1×1015IEC 60093
Dielectric Strength,  kV/mm  ≥20IEC 60243