The silicon rubber is used for making composite housing of insulator and surge arrester by molding and injection technology.

	RU-YJ01	RU-YJ02
Appearance	white, gray or red, no obvious extraneous matter
Density (g/cm3)	1.45+/-0.03	1.45+/-0.03
Hardness (Shore A durometer)	60+/-3	60+/-3
Tensile Strength (Mpa, ≥)	4.8	5.2
Elongation at Breakage (%,≥)	250	280
Tension Set (%,≤)	3	2
Tear Strength (kN/m,≥ )	13	15
Volume Resistivity (∩.cm,≥)	1X1014	7X1014
Dielectric Constant	3~4	3~4
Dielectric Loss Tangent (tgE, ≤)	0.07	0.03
Dielectric Strength (KV/mm, ≥)	18	20
Tracking Resistance&Erosion	TMA3.5, Depth of Erosion	TMA4.5, Depth of Erosion
Resistance (class)	≤2.5mm	≤2.5mm

Silicon Rubber