GPO-3 glass polyester is ideal for applications requiring high arc and carbon-track resistance with low flammability properties. Its versatility makes it a practical choice for projects needing enhanced electric properties, sufficient physical strength, and moderate heat resistance. . GPO-3 (UPGM203) customizable pultrusion shape/profile with UL and EN45545 recognized GPO-3 pultrusion shape/profile was produced by mold under high temperature, the raw material include glass fiber roving, glass fiber mat and polyester resin. The size and color can be customized according to. . NEMA Grade GPO-3 is a thermoset fiberglass reinforced polyester material that is widely used in electrical and mechanical applications. This grade of pultrusion shapes meets the NEMA GPO-3 specifications.
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