热缩护套管，半导电管
热缩护套管具有良好的绝缘性和抗开裂性,主要用于电缆的外保护层的修补和电缆中间连接的外层保护。
Heat shrink protection cover tube has good insulation and ruptuing resistance .It suitable for mend of cable out-layer protection and outlay protection of intermediate connecting .

护管套技术指标i'vetective tube 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	≥13.0
3	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	吸水率 Water alsorption	%	≤0.1
6	体积电阻系数 Volume resistance coefficient	Ω.cm	≥1014
7	击穿强度 Disruptive strength		≥20
8	收缩温度 Shrinkage temperature	℃	120-130

热缩半导电管适用于高压电缆中起屏蔽用。
Heat shrinkable semi-conductive tube Applied to hig-voltage cable accessory to make effect of shield .

半导电管技术指标 semiconduct 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	≥11
3	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	吸水率 Water alsorption	%	≤0.5
6	体积电阻系数 Volume resistance coefficient	Ω.cm	≥100--3
7	击穿强度 Disruptive strength	KV/mm	0.5-3
8	收缩温度 Shrinkage temperature	℃	120-130

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 I.D	壁厚±30% Wall thickness	内径 I.D	壁厚 Wall thickness
RSBT-15/7	≥14	0.6	≤7	1.7±0.25
RSBT-20/9	≥18	0.7	≤9	1.8±0.25
RSBT-25/9	≥23	0.5	≤9	1.7±0.25
RSBT-30/11	≥28	0.7	≤12	2.2±0.25
RSBT-35/13	≥33	0.8	≤14	2.2±0.25
RSBT-40/15	≥38	0.8	≤16	2.2±0.25
RSBT-45/18	≥43	0.8	≤18	2.2±0.25
RSBT-50/22	≥48	1.2	≤22	2.9±0.25
RSBT-60/22	≥58	1.0		2.8±0.25
RSBT-80/27	≥75	1.0	≤28	3.2±0.4
RSBT-100/38	≥93	1.5	≤39	4.3±0.4
RSBT-120/44	≥118	1.5	≤45	4.5±0.4
RSBT-140/149	≥138	1.9	≤50	5.0±0.4
RSBT-160/66	≥150	2.0	≤67	6.0±0.4
RSBT-200/66	≥195	1.5	≤70
注:热缩护套管型号为RSFT，热缩半导电管型号RSBT。