HomeProducts Fireproof Composite GPO-3 Electrical Insulating Board
  • GPO-3 Electrical Insulating Board
  • GPO-3 Electrical Insulating Board
GPO-3 Electrical Insulating Board

GPO-3 Electrical Insulating Board

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Introduction:GPO-3, a glass reinforced thermoset polyester sheet material, boasts strength, stiffness, and dimensional stability, making it ideal for electrical insulating applications. Additionally, its excellent electrical properties, including flame, arc, and track resistance, ensure reliable performance in demanding environments.

Product Description

GPO-3, a glass reinforced thermoset polyester sheet material, boasts strength, stiffness, and dimensional stability, making it ideal for electrical insulating applications. Additionally, its excellent electrical properties, including flame, arc, and track resistance, ensure reliable performance in demanding environments. Beyond electrical uses, GPO-3 Electrical Insulating Board finds application in mechanical scenarios requiring strength, stiffness, and cost-effectiveness.


GPO-3 Fiberglass Sheet


GPO-3 Electrical Insulating Board Parameters:


Physical PropertiesParameters
Specific gravity (ASTM D-792)1.81
Tensile strength (ASTM D-638)Ps8000
Compressive strength (ASTM D-695) Psi33100
Flexural strength (ASTM D-790)Ps22100
ZOD impact strength (notched) (ASTM D-256) ft.Ib/in8.9
Water absorption (ASTM D-570)%0.4
Electrical Properties
Electrical strength (ASTM D-149)Vpm450
Arc resistance (ASTM D-495) seconds.180
Thermal Properties
UL Topic 94 (0.094 inches and thicker)V0
UL temperature temperature index (UL746B)
Electric130°℃ (266°F)
Mechanical160°℃ (320°F)
Thermal expansion coefficient (ASTM D-696)in/in/°CX10-52
Thermal Conductivity (ASTM C-177) BTU/HR/Ft²/In/°F1.9


GPO-3 Electrical Insulating Board Features:

GPO-3 Electrical Insulating Board, also known as UPGM (Unsaturated Polyester Glass Mat) sheets, are a type of composite material with several distinct characteristics that make them suitable for various industrial applications. Here are the key features of GPO-3 Electrical Insulating Board:


1. High Mechanical Strength: GPO-3 Electrical Insulating Board offer excellent mechanical strength, making them suitable for structural applications where durability is essential.


2. Electrical Insulation: These sheets provide outstanding electrical insulation properties, making them ideal for use in electrical and electronic applications, including switchgear, transformers, and insulators.


3. Thermal Resistance: GPO-3 Electrical Insulating Board has good thermal resistance, allowing it to withstand high temperatures without degrading, which is crucial for applications involving heat exposure.


4. Flame Retardant: The material is inherently flame-retardant, contributing to safety in environments where fire risk is a concern.


5. Chemical Resistance: GPO-3 Electrical Insulating Board are resistant to a variety of chemicals, including acids and alkalis, ensuring long-term performance in harsh chemical environments.


6. Low Moisture Absorption: They have low moisture absorption, which helps maintain their mechanical and electrical properties even in humid conditions.


7. Dimensional Stability: GPO-3 Electrical Insulating Board maintains its dimensions and mechanical properties over a wide range of temperatures and environmental conditions.


8. Machinability: These sheets are relatively easy to machine, allowing for precise fabrication into complex shapes and components.


9. Surface Finish: GPO-3 Electrical Insulating Board typically have a smooth surface finish, which can be important for aesthetic reasons and for applications requiring low friction surfaces.


10. Lightweight: Despite their strength and durability, GPO-3 Electrical Insulating Board are relatively lightweight compared to many other materials, which can be advantageous in applications where weight is a factor.


GPO-3 Electrical Insulating Board Application:

GPO-3 can be used for several applications, including phase and end barriers, busbar supports, insulating supports, transformers, antenna bases, spacers, and more.For use in the transit industry, where smoke generation and smoke toxicity are of primary concern. It is also recommended for switchgear, connectors, and control panels. 


GPO-3 Electrical Insulating Board FAQs:

What is GPO-3 Electrical Insulating Board made of?

GPO-3 Electrical Insulating Board is composed of fiberglass reinforcement materials combined with polyester resins.


What are the primary applications of GPO-3 Electrical Insulating Board?

GPO-3 Electrical Insulating Board is commonly used in electrical insulation applications such as switchgear, bus bar supports, and electrical enclosures due to its excellent electrical insulation properties and flame resistance.


How does GPO-3 Electrical Insulating Board compare to other insulation materials?

GPO-3 Electrical Insulating Board offers superior electrical insulation properties, high mechanical strength, and excellent flame resistance compared to many other insulation materials.


Can GPO-3 Electrical Insulating Board be machined or fabricated?

Yes, GPO-3 Electrical Insulating Board can be easily machined, drilled, sawed, and fabricated using standard tools and techniques.


What thicknesses are available for GPO-3 Electrical Insulating Board?

GPO-3 Electrical Insulating Board is available in various thicknesses ranging from 0.5mm to 50mm to suit different application requirements.


Does GPO-3 Electrical Insulating Board require special handling or storage?

GPO-3 Electrical Insulating Board should be stored in a dry environment away from direct sunlight and moisture to maintain its electrical and mechanical properties.


Can GPO-3 Electrical Insulating Board be customized in terms of color or surface finish?

Yes, GPO-3 Electrical Insulating Board can be customized in terms of color and surface finish to meet specific customer requirements.


What testing and quality control measures are in place for GPO-3 Electrical Insulating Board?

GPO-3 Electrical Insulating Board undergoes rigorous testing and quality control procedures to ensure compliance with industry standards and specifications.

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HomeProducts Fireproof Composite GPO-3 Electrical Insulating Board