China 3021 Phenolic Laminated Paper Sheet Bakelite Sheet, Find details about China Bakelite Board, Bakelite Plate Laminate Boards from 3021 Phenolic Laminated Paper Sheet Bakelite Sheet
Test item | Unit | PFCP202 | PFCC201 | PFCC202 | PFCC203 | PFCC305 |
Density | g/m³ | 1.25-1.4 | 1.3-1.4 | |||
Vertical layer bending strength (normal) | MPa | ≥120 | ≥100 | ≥90 | ≥110 | ≥125 |
Parallel layer impact strength (simply supported beam method) | KJ/m2 | - | ≥7.8 | |||
Vertical layer electrical strength (90ºCtransformer oil) | Kv/mm | ≥15.8 | ≥5.1 | ≥5.1 | ≥5.1 | ≥5.1 |
Parallel layer breakdown voltage(90ºCtransformer oil) | kv | ≥35 | ≥20 | |||
Dielectric constant (50Hz) | - | ≤5.5(1MHz) | ||||
Proof tracking index(PTI) | - | ≥100 | ||||
Temperature index | - | 120 | ||||
Water absorption(1-20mm thickness) | mg | 180-970 | 206~406 | 136-277 |