Description
G-3 Glass Phenolic Laminate is manufactured from woven glass cloth bonded with high-temperature phenolic resin. It offers excellent flexural, compressive, and impact strength, along with reliable electrical insulation performance.
G-3 is designed for continuous service up to 350°F (175°C), maintaining stability in high-temperature environments, making it suitable for electrical and mechanical insulation applications.
Features
Made from woven glass cloth and high-temperature phenolic resin
Excellent flexural, compressive, and impact strength
Continuous operating temperature up to 350°F (175°C)
Good electrical insulation performance
Stable mechanical properties at elevated temperatures
Applications
Electrical insulation structural components
Motor and transformer insulation parts
High-temperature insulating panels and spacers
Electrical equipment components exposed to heat
Mechanical parts requiring thermal resistance and strength
Technical Data Sheet
| G-3 Glass Phenolic Laminate (PFGC201, Hgw2072) |
| PHYSICAL Property | Test Standard | Unit | Value |
| Density | ASTM D792 | g/cm³ | 1.8 |
| Water Absorption, 24 hrs, Immersion | ASTM D570 | % by wt. | 2.65 |
| MECHANICAL Property | Test | Unit | Value |
| Tensile Strength | ASTM D638 | psi | 42,000 |
| Flexural Strength | ASTM D790 | psi | 40,500 |
| Compressive Strength | ASTM D695 | psi | 55,000 |
| Hardness | ASTM D785 | NA | Rockwell M110 |
| IZOD Impact-Notched | ASTM D256 | J/m | 0 |
| THERMAL Property | Test | Unit | Value |
| Max Continuous Operating Temp |
| ℃ | 120 |
| Minimum Operating Temp |
| ℃ | -120 |
| Thermal Conductivity | ASTM C117 | ≤ 0.30 W/(m·K) | 0.28 |
| Flammability Rating | UL94 | NA | HB |
| ELECTRICAL Property | Test | Unit of Measure | Value |
| Dielectric Strength | ASTM D149 | V/mil | 460 |
| Dielectric Constant at 1 MHz | ASTM D150 | NA | 7.3 |