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Help CenterModified Bismaleimide Laminated Glass Cloth Board (BMGC301)
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Description
Bismaleimide laminated glass cloth board is a plate-like laminate made from electrical non-alkali glass cloth impregnated with modified bismaleimide resin, baked and hot-pressed. It is designed for high-temperature insulation structures, such as slot wedges in motors. With a temperature rating of Class H, this material combines excellent mechanical strength, heat resistance, dielectric performance, and flame retardancy, making it ideal for use in H-class motors and electrical appliances as insulating structural components.
Features
High mechanical strength, providing stability and durability under mechanical stress.
Excellent heat resistance, suitable for Class H (180°C) applications.
Superior dielectric properties, ensuring reliable electrical insulation.
Good flame retardancy, enhancing fire safety in electrical equipment.
Strong radiation resistance, maintaining performance under electrical and thermal stress.
Low permeability, ensuring moisture and gas resistance.
Long-lasting durability, capable of withstanding harsh operating conditions.
Applications
Insulation structural components in high-temperature motors, such as slot wedges.
Electrical appliances requiring Class H insulation.
Components in transformers and generators where high mechanical and thermal performance is needed.
Any high-performance electrical equipment requiring flame-retardant and heat-resistant insulation materials.
| Modified Bismaleimide Laminated Glass Cloth Board (BMIGC301) | |||
| No. | Test Item | Unit | Value |
| 1 | Density | g/m³ | 1.8~1.95 |
| 2 | Vertical Layer Bending Strength(normal) | Mpa | ≥350 |
| 3 | Parallel Layer Impact Strength (simply supported beam method) | KJ/m² | ≥60 |
| 4 | Vertical Layer Electrical Strength (90℃ transformer oil) (1mm thickness) | Kv/mm | ≥14.0 |
| 5 | Parallel Layer Breakdown Voltage (90℃ transformer oil) | kv | ≥35 |
| 6 | Dielectric Constant (50Hz) | - | ≤5.5 |
| 7 | Dielectric Loss Factor(50Hz) | ≤0.05 | |
| 8 | Insulation Resistance after Immersion | Ω | ≥1.0*10^8 |
| 9 | Proof Tracking Index (PTI) | - | ≥280 |
| 10 | Combustibility | - | HB40 |
| 11 | Temperature Index | - | 180 |
| 12 | Water Absorption (1-20mm thickness) | mg | 64~193 |
| Note: Range value are measured for different thicknesses | |||
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