NEMA HT276
Product Definition:
Glass Matte Laminates HT276 is a type of electrical insulation material that is made up of woven glass fabric impregnated with a high-temperature resistant epoxy resin binder. The material is designed to provide excellent mechanical strength, good dimensional stability, and high-temperature resistance properties.
The product is typically used in high-temperature electrical applications where mechanical stresses are present, such as transformers, motors, and generators. It is also used in applications where exposure to harsh chemicals or weathering is a concern.
The Glass Matte Laminates HT276 product is manufactured in sheet form with standard thicknesses ranging from 0.8mm to 50mm, and standard sheet sizes of 1220mm x 2440mm. The material is available in a range of colors, including natural (light green), black, and red.
In terms of electrical properties, the Glass Matte Laminates HT276 product has a dielectric strength of at least 16kV/mm, a volume resistivity of at least 10^14 Ω·cm, and a surface resistivity of at least 10^14 Ω. It also has excellent thermal properties, with a maximum continuous operating temperature of 180°C and a thermal conductivity of 0.35 W/mK.
Overall, the Glass Matte Laminates HT276 product is a reliable and versatile material that is suitable for a wide range of high-temperature electrical applications where mechanical strength, dimensional stability, and high-temperature resistance properties are required.
Advantages and applications
Advantages:
- High-temperature resistance: Glass Matte Laminates HT276 has excellent high-temperature resistance properties, with a maximum continuous operating temperature of 180°C. This makes it suitable for use in high-temperature applications.
- 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 HT276 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 HT276 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 HT276 is used in construction applications, such as cladding and flooring, due to its high mechanical strength and chemical resistance properties.
Overall, Glass Matte Laminates HT276 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.
HT276 Engineering Properties
| Key Characteristics | Test Method | Units | Values |
|---|---|---|---|
| Matrix | Polyester | ||
| Reinforcement | Glass Matt | ||
| Specifications |
UPGM-204/ 205, GPO1 Class R UPGM 201 |
||
| Sizes (in mm) | mm | 1220 x 1020 | |
| Color | Brown | ||
| Specific Gravity | ASTM D792 | g/cc | 1.8 / 2.7 -/+ 0.1 |
| Tensile Strength | Lw - ASTM D638 | psi | 44950 |
| Cw - ASTM D638 | psi | 38000 | |
| Compressive Strength | ASTM D695 | psi | 72500 |
| Flexural Strength | LW - ASTM D790 | psi | 62300 |
| Shear Strength | ASTM D732 | psi | 15900 |
| Izod Impact Strength | ASTM D256 | ft-lb/in | 10 |
| Bonding Strength | ASTM D229 | lb | 850 |
| Rockwell Hardness | ASTM D785 | M Scale | 110 |
| Arc Resistance | ASTM D495 | Sec | 200 |
| Dielectric Strength | ASTM D149 | VPM | 550 |
| Breakdown Voltage | ASTM D149 | kV | 55 |
| Comparative Trackin | ASTM D419 | >600 | |
| Water Absorption | ASTM D570 | % | 0.26 |
| Relative Temp. | UL-7468 | c | 230/270 |
| Flame Resistance | UL94 | HB | |
| Thermal Class | NEMA | R |
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