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CNC-machined GPO3 laminates for insulating structural components

by:ZTELEC     Time: 2025-12-25

GPO-3 (UPGM203) composite sheets comply with RoHS/REACH standards and have passed UL and EN45545 dual certifications.

GPO-3 composite sheets use glass fiber and polyester resin as the core material. And it is made by impregnating alkali-free glass mat with unsaturated polyester resin and then laminating under high temperature and pressure. It can be processed into various UPGM composite sheets and matching parts.

CNC-machined GPO3 laminates

GPO-3 possesses excellent electrical properties (electrochemical insulation, arc insulation, etc.) and mechanical properties.

Its thickness ranges from 0.5-60mm.

Sheet size is 2100mm × 1230mm.

Thickness tolerance is better than GB and IEC standards.

CNC-machined GPO3 laminates

GPO-3 Advantages

Thickness can be customized, supporting 1/2 inch, 3/8 inch, and other specifications.

Special colors such as yellow can be customized with sufficient orders.

It is compatible with CNC machining, making processing convenient and efficient.

Its performance is outstanding, with an arc resistance test exceeding 180 seconds.

It is environmentally friendly and have passed RoHS/REACH.

Customization based on provided drawings is supported to meet individual needs.

GPO-3 Application Scenarios

GPO-3 is widely used in the manufacture of insulating structural components for electrical equipment such as F-class motors, transformers, switchgear, circuit breakers, frequency converters, and high-voltage distribution cabinets. UPGM material can be directly molded into various custom profiles.

CNC-machined GPO3 laminates

CNC-machined GPO3 laminates

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