China Electrical Class F Flexible Composite Materials Prepreg DMD Insulation Paper, Find details about China Prepreg Pre-Impregated Insulation Materials, Insulating Paper from Electrical Class F Flexible Composite Materials Prepreg DMD Insulation Paper
Properties | Units | Values | ||||||||||
Nominal thickness | mm | 0.15 | 0.18 | 0.2 | 0.23 | 0.25 | 0.3 | 0.35 | 0.4 | 0.45 | ||
Tolerance | mm | ±0.02 | ±0.025 | ±0.03 | ±0.03 | ±0.03 | ±0.03 | ±0.035 | ±0.040 | ±0.045 | ||
Thickness of film | mm | 0.05 | 0.05 | 0.05 | 0.1 | 0.1 | 0.15 | 0.188 | 0.25 | 0.25 | ||
Tensile Strength(no bending) | mm | ≥70 | ≥80 | ≥100 | ||||||||
Resin content | % | 35±5 | 30±5 | 25±5 | 20±5 | |||||||
Volatile content | % | ≤1.5 | ||||||||||
Smeltable resin content | % | ≥1.0 | ||||||||||
Dielectric strength | mV/m | ≥40 | ||||||||||
Breakdown votage | kV | ≥7 | ≥7 | ≥7 | ≥10 | ≥10 | ≥10 | ≥15 | ≥18 | ≥18 | ||
Tensile and shear strength | Mpa | ≥3.0 | ||||||||||
Heat shrinkage rate | Crosswise | % | ≤1.0 | |||||||||
Lengthwise | ≤2.0 | |||||||||||
Appearance | Soft,smooth free of any delamination impurity,damage,crack,blister. | |||||||||||
Color | Red,Brown,White | |||||||||||
Thermal rating class | ºC | ≥155 |