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.
YILONG
Phenolic Resin + Fiberglass
Reddish Brown
0.3~300mm
≤120℃
E
1030mm*1230mm, 1030mm*2030mm, 1220mm*2440mm, 1030mm*1030mm
Pallet, Wooden Box
500KG
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
● 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
| G-3 Glass Phenolic Laminate (PFGC201, PFGC301, 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 |
Yes, based on drawings or samples.
UL, RoHS, REACH, CE, ISO, etc.
Usually 100 kg or 100 sheets, negotiable.
Yes, common samples free, buyer pays freight.
2-4 weeks after payment.
Yes, including labeling and packaging.
Yes, over 20 years.
T/T 30% deposit, 70% before shipment. Negotiable if supports needed.
Yes, we offer CNC machining.
Manufacturer and Exporter
No.3, Mianzhi Street, Zhucheng, Shandong, China
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