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G10,FR4,G11,FR5

G10 laminated sheet	Thermal Class B-F (130°C)
LEADWIN Various size and Quality G10 sheet owns the character of high temperature resistance,high mechanical properties and dielectric properties,good heat resistance.It is created from electrical glass cloth that impregnated with epoxy resin under high pressure and high heat.

FR-4 laminated sheet	Thermal Class B-F (130°C)
FR-4 Propriety:- High mechanical properties- Good dielectric properties- Good thermal resistance- Good chemical resistance◆ Thickness：0.2mm~80mm ◆ Size：1020x1220mm, 1020x2040mm, 1220x*2470mmSmall laminate can be punched if thickness below 2.0mm, it needs be machined according to the drawing while thickness is more than 2mm.

G11 laminated sheet	Thermal Class F-H (155°C)
G11 laminate sheet Property-Higher mechanical strength. -Good heat and moisture resistance .-Excellent electric performance in high temperature(155°C).◆ Thickness：0.5mm~80mm ◆ Size：1020x1220mm, 1020x2040mm, 1220x*2470mmSmall laminate can be punched if thickness below 2.0mm, it needs be machined according to the drawing while thickness is more than 2mm.

FR-5 laminated sheet	Thermal Class F-H (155°C)
FR-5 has good flame resistance and therefore better than G11. Other properties are almost same.

Item	Unit		G10	FR-4	G11	FR-5
Compressive Strength in Perpendicular direction	25℃	MPa	≥350	≥350	≥350	≥350
Compressive Strength in Perpendicular direction	150℃	MPa	___	___	≥207	≥207
Notch Impact Strength in Parallel direction	KJ/m²		≥37	≥37	≥37	≥37
Dielectric Strength in Perpendicular direction (in oil 90℃) eg: 1mm	KV/mm		14.2	14.2	14.2	14.2
Arc Resistance	S		___	___	___	___
Comparative Tracking Index	___		___	___	___	___
Dielectric Constant 1MHz	___		≤0.04	≤0.04	≤0.04	≤0.04
Water Absorption, eg:1.6mm	mg		___	___	___	___
Insulation Resistance after impregnated in water	Ω		≥5.0×10¹⁰	≥5.0×10¹⁰	≥5.0×10¹⁰	≥5.0×10¹⁰
Flame Resistance	___		___	94V0	___	94V0
Density	g/cm3		1.7-1.9	1.7-1.9	1.7-1.9	1.7-1.9