加成型双组分铂金硫化剂热硫化绝缘固体硅橡胶

该系列产品是用加成型双组分铂金硫化剂热硫化的绝缘固体硅橡胶，适合生产冷缩电力套管电缆附件常用于挤出热空气硫化成型。

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加成型双组分铂金硫化剂热硫化绝缘固体硅橡胶

Insulating solid silicone rubber cured by addition reaction two-part A/B curing agent

型号Model:TRK7235P, TRK7241P,

产品描述Product Description

该系列产品是用加成型双组分铂金硫化剂热硫化的绝缘固体硅橡胶，适合生产冷缩电力套管电缆附件常用于挤出热空气硫化成型。The silicone rubber compounds are vulcanized by addition reaction two-part A/B curing agent for manufacturing cold shrinkable tubing etc. electric cable accessories , is extruded and cured by hot-air.

产品特性 key features

优越的电绝缘性能 Excellent electric insulating property

高拉伸强度,高伸长率和撕裂强度High tensile strength, high elongation and tear strength

高回弹率，低定伸变形 High rebound rate and low tension set

良好的耐冷热老化稳定性 Excellent thermal-aging and cold-brittle stability(-60—250℃)

良好的耐紫外线，耐臭氧，耐候性Good ultraviolet resistance, ozone resistance and weather resistance

主要应用 Applications:

生产冷缩电力套管等电缆附件/通讯冷缩管/母排管。

The product is manufactured the cold shrinkable electric cable accessories ， cold shrinkable tubing in telecommunication field and bus duct.

包装Packaging:

20千克/箱（20Kg/box）

典型物理性能Typical properties

物性	测试方法	单位	TRK7235P	TRK7241P	TRK7251P	TRK7261P
外观			半透明translucent
邵氏硬度hardness	D2204	Shore A	37	40	52	63
拉伸强度Tensile Strength	D412	MPa	9.5	9.8	9.5	10
断裂伸长率Elongation at break	D412	%	760	720	660	450
撕裂强度Tear Strength	D624B	KN/m	30	30	32	35
扯断永久变形Tensile set at break	D412	%	3.0	3.0	3.0	3.0
定伸变形tension set keeping 300% extension for 8hrs at 175℃	D412	%	8.0冷缩管	8.0冷缩管	--母排管	--母排管
体积电阻率Volume resistivity	IEC60093	Ωcm	8x10*15	8x10*15	8x10*15	8x10*15
介电强度Dielectric strength	IEC60243	KV/mm	25	25	25	25
介电常数50HZ Dielectric constant	IEC60250		2.8	2.8	2.9	2.9
介电损耗因数50HZ Dissipation factor	IEC60250		0.0017	0.0018	0.003	0.003
硫化剂种类Type of Vulcanization agent			A agent (Pt), B agent (cross-linking agent and inhibitor)
硫化条件Vulcanizing conditions			130℃x5mins+200℃x4hrs