NEMA GPO-2
Product Definition:
Glass Matte Laminates GPO2 is a type of electrical insulation material that is made up of a woven glass fabric and an epoxy resin binder. The material is designed to provide high mechanical strength, excellent dimensional stability, and good electrical insulation properties.
The product is typically used in a variety of electrical applications, such as busbars, switchgear, and control panels. It is also commonly used in applications where high temperatures and mechanical stresses are present, such as transformers, motors, and generators.
The Glass Matte Laminates GPO2 product is manufactured in sheet form with standard thicknesses ranging from 0.8mm to 50mm, and standard sheet sizes of 1220mm x 1020mm. The material is available in a range of colors, including natural Red, White and Yellow.
In terms of electrical properties, the Glass Matte Laminates GPO2 product has a dielectric strength of at least 14kV/mm, a volume resistivity of at least 10^12 Ω·m, and a surface resistivity of at least 10^13 Ω. It also has good thermal properties, with a maximum continuous operating temperature of 130°C and a thermal conductivity of 0.3 W/mK.
Overall, the Glass Matte Laminates GPO2 product is a reliable and versatile material that is suitable for a wide range of electrical applications where high mechanical strength and good electrical insulation properties are required.
Advantages and applications
Advantages:
- High-temperature resistance: Glass Matte Laminates SG 204 has excellent high-temperature resistance properties, with a maximum continuous operating temperature of 200°C. This makes it suitable for use in applications where high temperatures are present.
- Good mechanical strength: The material has good mechanical strength and dimensional stability, which makes it ideal for use in high-stress applications.
- Excellent electrical insulation: The material has excellent electrical insulation properties, with a high dielectric strength and volume resistivity, making it ideal for use in electrical applications where safety is a concern.
- Chemical resistance: Glass Matte Laminates SG 204 has good chemical resistance, which makes it suitable for use in harsh environments.
Applications:
- Electrical insulation: The material is widely used in electrical insulation applications, such as transformers, motors, and generators.
- Aerospace and automotive industries: Glass Matte Laminates SG 204 is commonly used in high-temperature applications in the aerospace and automotive industries due to its high-temperature resistance properties.
- Industrial and manufacturing: The material is used in various industrial and manufacturing applications where high-temperature resistance and mechanical strength are required, such as insulating materials for equipment, machinery, and piping.
- Construction: Glass Matte Laminates SG 204 is used in construction applications, such as cladding and flooring, due to its high mechanical strength and chemical resistance properties.
Overall, Glass Matte Laminates SG 204 is a reliable and versatile material that is used in a wide range of applications where high-temperature resistance, good mechanical strength, and excellent electrical insulation properties are required.
GPO-2 Engineering Properties
| Key Characteristics | Test Method | Units | Values |
|---|---|---|---|
| Matrix | Polyester | ||
| Reinforcement | Glass Matt | ||
| Specifications |
UPGM 202
MIL-I-24768/5 |
||
| Sizes (in mm) | mm | 1220 x 1020 | |
| Color | Red, White, Yellow | ||
| Specific Gravity | ASTM D792 | g/cc | 1.8 -/+ 0.1 |
| Tensile Strength | Lw - ASTM D638 | psi | 40000 |
| Cw - ASTM D638 | psi | 38000 | |
| Compressive Strength | ASTM D695 | psi | 43000 |
| Flexural Strength | LW - ASTM D790 | psi | 45000 |
| Shear Strength | ASTM D732 | psi | 10000 |
| Izod Impact Strength | ASTM D256 | ft-lb/in | 6.5 |
| Bonding Strength | ASTM D229 | lb | 850 |
| Rockwell Hardness | ASTM D785 | M Scale | 95 |
| Arc Resistance | ASTM D495 | Sec | 180 |
| Dielectric Strength | ASTM D149 | VPM | 450 |
| Breakdown Voltage | ASTM D149 | kV | 40 |
| Comparative Trackin | ASTM D419 | >600 | |
| Water Absorption | ASTM D570 | % | 0.8 |
| Relative Temp. | UL-7468 | c | 155 |
| Flame Resistance | UL94 | HB | |
| Thermal Class | NEMA | F |
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