Common Silicone Rubber for Molding & Extrusion

Name: Common Silicone Rubber for Molding & Extrusion
Brand: CHENGDU FLUORINCHEM NEW MATERIAL CO., LTD.

This rubber has very good transparency and physical, mechanical properties. The molded silicone rubber use vulcanizator“Double 2, 5and extruded silicone rubber use vulcanizator“Double 2, 4”. It is suitable for making all kinds of wire, cable, tubes and strips and parts of electrical equipments.

This product adopts high quality raw materials and special ingredients, which makes it own the following.

These following properties:

High and low temperature resistance
Good physical properties.
Exceptional mechanical properties.

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Category: General Purpose Silicone Rubber

Specification

Data Item		CGS-7220	CGS-7250
Appearance		Milky-white no obvious extraneous matter.	Milky-white no obvious extraneous matter.
Density	g/cm3	1.03±0.05	1.20±0.05
Hardness	Shore A Points	20±2	50±2
Tensile Strength	MPa≥	45.0	6.5
Elongation at Breakage	% ≥	750	300
Tension Set	% ≤	6	12
Tear Strength	kN/m ≥	10	18
Volume Resistivity	Ω.cm	1.0X1014	1.0X1014
Dielectric Strength	kv/mm ≥	18	18

Physical and Mechanical Properties are based on first vulcanization data,Electrical Properties are drawn from second vulcanization data.

first vulcanization condition for test piece: 175℃× 5min Second vulcanization condition for test piece: 200℃× 2h Vulcanizator: 80% DMDBH,quantity added 0.65% *

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