热缩绝缘管
双丰热缩的绝缘管具有耐气候老化，抗电碳痕及阻燃等优良特性，作为35kV及以下电缆用户，外终端的绝缘管。外穿墙套管及电流互感器的绝缘管，该产品不但具有良好的耐环境温度和环境污秽性能，而且具有良好的机械强度，可耐较高的额定电压。
Shuangfeng heat shrinkable insulation tube has advantage of weather-resistance ,ageing-resistance ,tracing-resistance and antiflaming .As the insulation tube of cabe outdoor ,indoor terminal under 35kV.This product not only have good temperature and dirt resistance ,but also have good machinery strength and high-voltage rated voltage .

产品规格型号 Product specification

型号/规格 Type/Specification	收缩前(mm) Before shrink		收缩后(mm) After shrink
	内径	壁厚±30%	内径	壁厚
RSWT-30/11	≥28	1.3	≤11	2.7±0.25
RSWT-35/13	≥33	1.3	≤14	2.8±0.25
RSWT-40/15	≥38	1.3	≤18	3.0±0.4
RSWT-45/17	≥43	1.6	≤18	3.0±0.4
RSWT-50/22	≥48 ≥58	1.6 1.4	≤23	3.0±0.4
RSWT-60/22
RSWT-80/27	≥74	1.6	≤30	3.3±0.4
RSWT-100/37	≥94 ≥118	1.8 1.4	≤40	3.7±0.4
RSWT-120/37
RSWT-140/49	≥138	2.0	≤55	5.0±0.4
RSWT-200/66	≥198	2.0	≤70	6.0±0.4

产品技术指标 Product technical index

序号 Order No.	内容 Content	单位 Unit	指标 Index
1	硬度 Hardness degree	邵氏Shao	≥90
2	抗张强度 Tensile strength	Mpa	≥8.0
2	断裂伸张率 Break extension rate	%	≥300
4	热老化120℃ Heat aging 120 ℃ 168h		K1＞0.8 K2＞0.7
5	体积电阻系数 Volume resistance coefficient	Ω.cm	≥1014
6	击穿强度 Disruptive strength	KV/mm	≥20
7	收缩温度 Shrinkage temperature	℃	120-140
8	耐漏电痕迹电压等到级 Voltage class	1A级 3.5级	≥3.5
9	氧指数 Oxygen index	OI	≥28