特性/Features
玻璃化温度130℃ B级
TG130℃ B Class
主要特性/General properties
序号 No. | 指 标 名 称 Item | 单 位 Unit | 指 标 值 Specified Value | 典型值Typical Value | |
1 | 密度 Density | g/cm3 | 1.75~2.0 | 1.81 | |
2 | 弯曲强度 Tensile strength | MPa | ≥350 | 450 | |
3 | 拉伸强度Flexural Strength | MPa | ≥200 | 263 | |
4 | 平行层向绝缘电阻Parallel to layer Insulation Resistance | 常态 Normal | Ω | ≥1.0×1010 | 3.0×1012 |
浸水24h后 After 24 Hours in Water | ≥1.0×107 | 4.3×109 | |||
5 | 平行层向击穿电压 20℃±2℃变压器油中 Parallel to layer Breakdown Voltage (20±2℃ in transformer oil ) | kV | ≥15.0 | 19 |
外观
表面应平整,无气泡、油污及杂质,允许有轻微树脂积胶和斑痕;两端须切割整齐,不得有缺料空芯;直径25mm及以下者不得有裂纹,直径25mm以上者允许有轻微裂纹;接缝线宽度应符合如下规定:直径40mm及以下者不得超过3mm,直径50mm以上者不得超过4mm。
外观:表面应光滑,无气泡、油污及杂质,允许有不影响使用的轻微树脂积胶和斑痕;两端须切割整齐,端头不得有裂纹;棒的接缝线宽度应符合如下规定:直径15mm及以下者不得超过2mm,直径15mm至60mm者不得超过3mm,直径60mm以上者不得超过4mm。
Appearance: the surface should be smooth, no bubbles, wrinkles. No scratch marks for diameter under 25mm ,and no obvious scratch marks for diameter over 25mm,Both ends should be cut neatly . The seam line on the rod should meet the following requirement :
Diameter under 40mm:≤ 3mm
Diameter over 50mm : ≤4mm
应用领域/Applications
3840环氧酚醛层压玻璃布棒是用电工无碱玻璃布浸以环氧酚醛树脂,经成型模具热压而成,其截面呈圆形。
3840 phenolic laminated cloth rod is made of electrician non-alkali glass cloth dipped in epoxy phenolic resin , and then hot press by molding ,and the cross section is round .
3840棒有较高的机械强度、介电性能和良好的机械加工性,适用于电器设备中作绝缘结构零部件,并可在潮湿环境条件下和变压器油中使用。
The main properties of 3840 rod are as below: High mechanical strength, dielectric propertiesand high mechanical properties,suitable for using in damp environment and transformer oil as the insulation component in electrical equipment