China Insulation Press Paper Board (PPB), Find details about China Insulation Paper, Insulating Paper from Insulation Press Paper Board (PPB)
Properties | Unit | Testing value | ||||
Thickness | mm | 0.8~1.0mm | 1.5~2.0mm | 2.5mm | 3.0mm | |
Thickness Tolerance | % | ±7 | ±5 | |||
Density | g/cm3 | 1.00~1.25 | 1.10~1.25 | |||
Tensile Strength, Min. | Cross | N/mm2 | 50 | |||
Longitudinal | 90 | |||||
contraction, Max. | Cross | % | 1.4 | |||
Longitudinal | 1.0 | |||||
Vertical | 6.0 | |||||
Elongation, Min. | Cross | % | 4.0 | |||
Longitudinal | 35 | |||||
Dielectric Strength, Min. | KV/mm | 35 | 30 | 27 | 24 | |
Humidity | % | 4~9 | 5~9 | |||
PH of Aqueous Extract | 6.0~8.0 | |||||
Oil-absorbency, Min. | % | 9 |