2752(2751)硅橡胶玻璃纤维软管

2752(2751)硅橡胶玻璃纤维软管是由无碱玻璃纤维编织成套管，然后涂以硅橡胶，经加热硫化而成的绝缘套管。本产品具有一定的介电性能，较高的耐热性、优良的耐寒性和富于弹性，适用于H级绝缘电机、电器的布线绝缘和机械保护。

2752(2751)硅橡胶玻璃纤维软管

详细说明：SRG-502

2752(2751)硅橡胶玻璃纤维软管(符合沪Q/JBQR5-2000)

2752(2751) Fiberglass Sleeving coated With Silicone Rubber (In According With Shanghai Q/JBQR5-2000)

硅橡胶玻璃纤维软管是由无碱玻璃纤维编织成套管，然后涂以硅橡胶，经加热硫化而成的绝缘套管。本产品具有一定的介电性能，较高的耐热性、优良的耐寒性和富于弹性，适用于H级绝缘电机、电器的布线绝缘和机械保护。

注：内径1.5毫米及以下的软管，击穿电压不得低于规定值的75%。

2752(2751)硅橡胶玻璃纤维软管

Fiberglass sleeving coated with silicone rubber produced with the process of thermal treatment and vulcanization is the non-alkli fiberglass braided sleeving coated with silicone rubber.This sleeving possesses good qualities of dielectric,high temperature resistace,excellent elasticity and cold resistance.It can be used for wiring insulation and mechanical protection for H grade electrical appliances.

Note:The breakdown voltage for sleevings whose inner diameter is or be low1.5mm should not than 75% of the specified voltage.

内径(mm) Inner Diametor		壁厚(mm) Wall Thickness
标称 Nominal	公差 Tolerance	标称 Nominal	公差 Tolerance
1；1.5	+0.20/-0.10	0.40	±0.10
2；2.5；3；3.5	+0.30/-0.10	0.50	±0.15
4；5；6	+0.40/-0.20	0.60	±0.20
7；8；9	+0.50/-0.30	0.70	±0.20
10；11；12	+0.80/-0.50	0.80	±0.20
14；16；18；20；23；27；28	+1.00/-1.00	1.00	±0.30

性能指标 Property requirements

性能Property	指标Requirements
弹性 Elasticity	胶膜不应于玻璃丝管脱开或产生开裂 No cracking or detachment of coating shall be visible. ①200±2℃处理3小时 After 3 hours at 200±2℃ ②-40～60℃处理2小时 After 2 hours at -40～60℃
耐燃性 Flame resistance	不小于45秒/25毫米 Not less than 45sec./25mm
耐热性 Heat resistance	200±5℃处理72小时后胶膜不应与玻璃丝管脱开或产生开裂 No cracking detachment of coating shall be visible after 72 hours at 200±5℃
击穿电压千伏、大于 Breakdown voltage kv,min	室温时 4.0 At room temp 4.0
	受潮时 2.0 After damp 2.0