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Help CenterG5/G9 Melamine Glass Sheet (MFGC201, HGW2272)
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Description
G-5 and G-9 Composite laminate is a continuous filament glass cloth with heat resistant melamine resin binder. G9 glass melamine laminate is a very hard, flame resistant grade that has excellent arc resistance and electric strength properties even under Humid or wet conditions. G-5 and G-9 laminate sheet has high mechanical strength and machines well. This product also has good dimensional stability. G-5 and G-9 are typically discussed together as one. Both materials consist of woven glass fabric and a melamine resin base. Both materials offer outstanding electrical properties in high humidity environments. Both materials have essentially the same mechanical properties. The most significant difference is that the G9 offers improved resistance to the elements of the outdoors. G9 can safely be substituted for G5.
Features
Made from woven glass fabric and high-temperature melamine resin
Excellent dielectric strength for high-voltage insulation
High thermal stability for continuous operation in hot environments
Superior mechanical strength: flexural, compressive, and impact resistance
Low moisture absorption, stable in humid conditions
Excellent arc resistance, ensuring safety in electrical systems
Applications
Electrical insulation components
Power distribution equipment and switchgear
High-temperature industrial machinery
Mechanical parts requiring thermal resistance and strength
Heavy-duty electrical systems in humid or demanding environments
| G5/G9 Melamine Glass Sheet (MFGC201, HGW2272) | ||||
| No. | Property | Unit | Standard value | Typical value |
| 1 | Flexural strength perpendicular to laminations | MPa | ≥240 | 290 |
| 2 | Charpy impact strength parallel to laminations(Notched) | kJ/m2 | ≥30 | 33 |
| 3 | Tensile strength | MPa | ≥150 | 260 |
| 4 | Electric strength perpendicular to laminations (at 90ºC±2ºC ),1mm in thickness |
kV/mm | ≥7.0 | 9.2 |
| 5 | Insulation resistance (after 24h immersion in water) | Ω | ≥1.0 x10^7 | 4.5 x10^9 |
| 6 | Arc Resistance | s | ≥180 | 183 |
| 7 | Comparative tracking index (CTI) | _ | ≥500 | CTI600 |
| 8 | Relative Permittivity (50Hz) | _ | ≤7.5 | 6.97 |
| 9 | Dielectric dissipation (50Hz) | _ | ≤0.02 | 0.02 |
| 10 | Water absorption,2mm in thickness | mg | ≤155 | 132 |
| 11 | Flammability | Class | V-0 | V-0 |
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