G-3 Glass Phenolic Laminate PFGC201 HGW2072 Insulation Sheet

product details

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 PropertyTest StandardUnitValue
DensityASTM D792g/cm³1.8
Water Absorption, 24 hrs, ImmersionASTM D570% by wt.2.65
MECHANICAL PropertyTestUnitValue
Tensile StrengthASTM D638psi42,000
Flexural StrengthASTM D790psi40,500
Compressive StrengthASTM D695psi55,000
HardnessASTM D785NARockwell M110
IZOD Impact-NotchedASTM D256J/m0
THERMAL PropertyTestUnitValue
Max Continuous Operating Temp
120
Minimum Operating Temp
-120
Thermal ConductivityASTM C117≤ 0.30 W/(m·K)0.28
Flammability RatingUL94NAHB
ELECTRICAL PropertyTestUnit of MeasureValue
Dielectric StrengthASTM D149V/mil460
Dielectric Constant at 1 MHzASTM D150NA7.3


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