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Insulation Board Material Epoxy Fiber Glass Sheet FR4 Sheet
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Product Description
Product Description
What is FR4 Sheet Fiberglass?
FR4 Sheet main technical features and applications: stable electrical insulation performance, good flatness, smooth surface, no pits, thickness tolerance standard, suitable for products with high performance electronic insulation requirements, such as FPC reinforcement board, PCB drilling pad, glass Fiber meson, potentiometer carbon film printed glass fiber board, precision planetary gear (wafer grinding), precision test plate, electrical (electrical) equipment insulation stay spacer, insulation pad, transformer insulation board, motor insulation, grinding gear, Electronic switch insulation board, etc.
Properties | Value | |||
Specific gravity | 1.90-2.2 | |||
Martins heat resistance(lengthwise) min | ℃ | 200 | ||
Bending strength min | lengthwise | kg/cm^2 | 3500 | |
crosswise | 2900 | |||
Impact strength min | lengthwise | kgfcm/cm^2 | 150 | |
crosswise | 100 | |||
Tensile strength min | lengthwise | kgf/cm^2 | 3000 | |
crosswise | 2200 | |||
Bond strength min | kfg | 580 | ||
Surface resistivity min | at room temp | Ω | 1.0*10^13 | |
water absorption | 1.0*10^11 | |||
Volume resistivity | at room temp | Ω.cm | 1.0*10^13 | |
water absorption | 1.0*10^11 | |||
Tan at 50 Hz min | 0.05 | |||
Breakdown strength flatwise(in transformer oil at 90+/-2℃) | Thickness 0.5-1mm | kv/mm | 22.0 | |
Thickness 1.1-2mm | 20.0 | |||
Thickness 2.1-3mm or over 3mm with one side machined to 3mm | 18.0 | |||
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- Shenzhen Xiongyihua Plastic Insulation Ltd.
Product Categories
| Engineer Plastic Sheet / Rod / Film / Tube | Insulation Sheet / Rod | Special Engineering Plastics | Top sales products |
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