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GPO-3 Unsaturated Polyester Processing Parts

Custom GPO-3 Unsaturated Polyester Processing Parts are CNC-machined from glass fiber reinforced polyester laminates for electrical insulation and structural support. They combine high mechanical strength, excellent arc resistance, and dependable dimensional stability for power distribution and industrial electrical equipment.

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Product Details

GPO-3 Unsaturated Polyester Processing Parts are manufactured from glass mat reinforced thermoset polyester laminates and precision-machined into customized insulating and structural components. The material offers a unique combination of electrical insulation, flame resistance, high impact strength, and excellent resistance to arc tracking, making it well suited for demanding low- and medium-voltage applications. Using CNC milling, drilling, routing, turning, and tapping, complex parts can be produced with tight tolerances and repeatable accuracy. Every component is manufactured according to customer drawings or samples, providing reliable performance in electrical assemblies where both insulation and mechanical support are equally critical.

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Product Parameters

Base Material

Glass mat reinforced unsaturated polyester resin

Material Grade

GPO-3 (UPGM 203 / IEC equivalent)

Manufacturing Process

CNC Milling, Drilling, Routing, Turning, Tapping & Precision Machining

Thermal Class

Class F (155°C)

Electrical Property

Excellent arc resistance and tracking resistance

Flame Performance

Self-extinguishing, UL 94 V-0 (material grade dependent)

Product Advantages

Outstanding Structural Strength

Provides excellent rigidity and impact resistance, making it suitable for both insulating and load-bearing components in electrical equipment.

Stable Electrical Performance

Maintains reliable dielectric properties under long-term electrical stress while minimizing the risk of surface tracking and insulation failure.

Efficient Custom Manufacturing

Supports rapid prototyping and volume production with flexible machining options for complex profiles, assembly features, and OEM-specific designs.

Product Applications

Busbar Support Assemblies

Precision-machined busbar supports, insulating spacers, mounting brackets, and phase separators used in low- and medium-voltage switchboards.
Motor Control Center Insulation Components

Custom insulation plates, terminal barriers, structural panels, and fixing blocks installed inside motor control centers (MCC) and industrial control cabinets.
Circuit Breaker and Power Distribution Equipment

Machined insulating frames, operating mechanism supports, partition panels, and connection bases used in molded-case circuit breakers, power distribution panels, and electrical enclosures.

FAQ

What is the minimum order quantity?

The minimum order quantity depends on the specific product you are interested in. For detailed information, please contact us directly via email or WhatsApp.
What is the price of this product?

The price of our products varies depending on the quantity, size, and specifications. For an accurate quote, please reach out to us via email or WhatsApp, and we'll provide you with the best options tailored to your needs.
What is the average delivery time?

Delivery times vary based on the quantity and specifications of the order. Typically, delivery can take anywhere from 3 to 30 days. For more precise information, please contact us directly via email or WhatsApp.