由无碱玻璃纤维毡板浸以不饱和聚酯树脂糊，并添加相应的添加剂经热压而成的硬性板状绝缘材料。

      GPO-3/GPO-1是由无碱玻璃纤维毡板浸以不饱和聚酯树脂糊，并添加相应的添加剂经热压而成的硬性板状绝缘材料。 GPO-3绝缘板，等同于NEMA标准： UPGM-203 ，指的是不饱和聚酯玻璃纤维毡板材料，机械和电气用，高湿下电气性能好，中等温度下机械性能好，具有阻燃性，耐电弧和耐抗漏电痕迹性能佳。GPO-1耐温更高，强度更好。
UPGM203层压板应用：
1.断路器中应用 ①框架式断路器：安全挡板、安全遮板、间隔衬垫、相间隔板等 ②塑壳式断路器中的应用：相间隔板、灭弧室隔弧板等 2.电机马达中电机电枢部件、活动盖板、槽楔定子、定垫片、薄垫片、碳刷板 3.开关设备中 隔板系统中的前端、后端、上端、低端、相间隔板等 4. 适宜作各种开关柜的隔板、衬板，灭弧罩、灭弧筒、灭弧片，隔弧板，接线板，相间绝缘、底端隔板，触头支持件；开关和变压器的结构支撑件，母线夹板等 5.耐弧结构件.直流电机。

Brief Description
UPGM 203 / GPO3 laminate sheet is in accordance with standards:NEMA LI-1: GPO-3, IEC60893 UPGM 203, DIN 7735 HM2471/ HM2472.

Product Attributes
Related attributes of GPO-3 UPGM 203 Polyester Glass Mat Laminate Sheet:
Model Number:GPO3

Detailed Description
Detailed introduction to GPO-3 UPGM 203 Polyester Glass Mat Laminate Sheet:
GPO-3/ UPGM 203 Polyester Glass Mat Laminate Sheet is produced by combining polyester resin with glass mat and suitable in organic fillers and laminating under heat and pressure.
Shanghai Huin Hardware Rubber Products Co., Ltd.
GPO-3 laminates sheet offers a superior combination of electrical and mechanical properties such as dielectric strength, flame resistance, high arc and carbon track resistance, moderate heat resistance and high-impact strength. It also exhibits good retention of properties and dimensional stability at elevated temperatures.
Application:
GPO-3 Laminate Sheet is used extensively in the making of phase and end barriers, insulating supports, bus bar supports and mounting panels in switchgear and other types of electrical apparatus
Nominal Thickness: 0.80mm - 100.0mm
Standard Sheet Size: 1020 mm X 1220mm; 1000 mm X 2000mm; 1244 mm X 2440mm