硅橡胶玻璃纤维软管  硅橡胶玻璃纤维软管详细说明:SRG-502 2752(2751)(符合沪Q/JBQR5-2000) 2752(2751) Fiberglass Sleeving coated With Silicone Rubber (In According With Shanghai Q/JBQR5-2000) 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%。 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. 参数 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 | |