Introduction:
FR4 is a fire rated electrical-grade, dielectric fiberglass laminate epoxy resin system combined with a glass fabric substrate.The abbreviation "FR4" means: F (for flame) and R (for retardant).
FR4 grades material offer excellent chemical resistance, flame ratings (UL94-VO) and electrical properties under dry and humid conditions. FR4 also features high flexural, impact, superior mechanical strength and bond strength at temperatures up to 130°C.
G10 material is a composite material made of glass cloth and epoxy resin. It was developed as an aircraft material when it was invented, it can withstand great strength. G-10 is not permeable with water and liquid, and it has the characteristics of insulation, anti-acid and alkali, and the weight is light.
A continuous woven glass fabric laminated with an epoxy resin. This grade is extremely high in mechanical strength, has low water absorption and dissipation factors and has superior electrical characteristics, which are exhibited over a wide range of temperatures and humidities.
Appearance:
Surface smoothly without bubble and impurities
Feature:
Excellent mechanical & electric property
Good heat & moisture resistance
Easy for processing & machining
High mechanical strength
Application:
Used as insulating tube/pipe in high voltage arrester and high voltage switch
| Parameter |
Spicification 3641-884 |
| Density |
≥2.15 g/cm3 |
| Water Absorption |
≤0.05 % |
| Tensile Strength |
≥1560 Mpa |
| Bending Strength |
≥1100 Mpa |
| Bending Strength At Heat Condition 150°C±2°C |
≥340 Mpa |
| Surface Withstand Voltage In Normal Condition For 1 Min 1min |
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| Water Diffussion Test (0.15%N,cl boiling for 12KV/1 Min) |
≤30 KV/1 MIN |
| Leakage Current |
≤20 mA |
| Dye Penetration Test |
≥15 Min |
| Acid-resistance Stress Corrosion (1mol/1HNO, of 67% Stress) |
≥96 H |
| Lightning Impulse Withstand Voltage (100KV) |
≥5 Times |
| Volume Resistivity |
≥1012 ΩM |
| DC Breakdown |
≥50 KV |
| Torsion Strength |
≥800 Mpa |
| Sheating Strength Along Laminals |
≥50 Mpa |
Audited Supplier 
Audited Supplier 
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