FR4 epoxy fiber glass cloth laminate sheet
FR4 epoxy glass cloth laminate sheet is made of good electric glass cloth and epoxy resin.
1,Dielectric Strength perpendicular to laminations (in 90±2 ℃ transformer oil, 1 mm in thickness) : min 14.2MV/m
2,Breakdown Voltage parallel to laminations(in 90±2℃ transformer oil) :min 40KV
3,Impact Strength parallel to laminations (Charpy) :min 33KJ/m2
4,Flammability:FV0| General Properties | ||||
| Test Item | Unit | TypicalValue | ||
| G10 | FR4 | |||
| FlexuralStrengthperpendiculartolaminations | MPa | |||
| A:undernormalconditions | ≥ | 340 | 340 | |
| E-1/150:150±5℃ | ≥ | _ | _ | |
| ImpactStrengthparalleltolaminations(Charpy) | KJ/m2 | ≥ | 33 | 33 |
| InsulationResistanceafterimmersioninwater (D-24/23) | W | ≥ | 5.0×108 | 5.0×108 |
| DielectricStrengthperpendiculartolaminations | MV/m | ≥ | 14.2 | 14.2 |
| (in90±2℃transformeroil,1mminthickness) | ||||
| BreakdownVoltageparalleltolaminations | KV | ≥ | 40 | 40 |
| (in90±2℃transformeroil) | ||||
| Permittivity(50Hz) | — | ≤ | 5.5 | 5.5 |
| Permittivity(1MHz) | — | ≤ | 5.5 | 5.5 |
| DissipationFactor(50Hz) | — | ≤ | 0.04 | 0.04 |
| DissipationFactor(1MHz) | — | ≤ | 0.04 | 0.04 |
| WaterAbsorption(D-24/23,1.6mminthickness) | mg | ≤ | 19 | 19 |
| Density | g/cm3 | (1.70-1.90) | (1.70-1.90) | |
| Flammability | — | — | FV0 | |
| Color | — | Green | Green | |
| ReferenceStandard | — | EnterpriseStandard | ||
