China Diamond Dotted DDP Electrical Insulating Paper Insulation Material, Find details about China Diamond Dotted Paper/DDP Paper/ Insulation Paper, DDP Double Sided Contact Paper from Diamond Dotted DDP Electrical Insulating Paper Insulation Material
ITEM | TYPICAL VALUES | MATTER OF FACT | |
Caliper: (inch) (millimeter) | 0.002 0.05 | ||
Thickness: mm | 0.05±0.005mm | 0.049 (0.05,0.049,0.048) | |
Width: mm | 1010±5 | 1010 | |
Apparent density: g/cm3 | 0.75-0.85 | 0.85 | |
Moisture content ,% | 6.0 to 9.0% | 7.8 | |
PH water extract: | 6.0 to 9.0 | 7.4 | |
Ash content,% maximum | ≤0.8 | 0. 32 | |
Conductivity of aqueous extract Ms/m | ≤8.0 | 4.5 | |
Elongation MD % CMD | ≥2.0 ≥4.0 | 2.0 7.6 | |
Edge Internal tearing resistance N Machine direction: Cross machine direction | 26.0 28.0 | ||
Tear strength, mN Machine direction: Cross machine direction: | 320 360 | ||
Tensile strength,N/mm2 Machine direction: Cross machine direction: | ≥70 ≥35 | 90.0 44.0 | |
Dielectric breakdown: (volts/layer ,dry test) | ≥500 | 633 (600,700,600) |
ITEM | TYPICAL VALUES | MATTER OF FACT | |
Caliper: (inch) (millimeter) | 0.010 0.25 | ||
Base paper thickness mm | 0.25 ± 10% | 0.25 | |
Resin thickness single side mm | 0.006-0.012 mm | 0.012 | |
DDP thickness (just for reference) | Base paper + resin | 0.262 (0.261,0.262,0.262) | |
Width: mm | 1000±5 | 1003 | |
Apparent density: g/cm3 | 0.97 to 1.05 | 0.98 | |
Moisture content ,% | 6.0 to 9.0% | 6.2 | |
PH water extract: | 6.5 to 8.5 | 7.31 | |
Ash content,% maximum | ≤0.7 | 0.43 | |
Conductivity of aqueous extract Ms/m | ≤8.0 | 7.8 | |
Elongation MD % CMD % | ≥2.0 ≥5.4 | 2.1 7.6 | |
Edge Internal tearing resistance N Machine direction: Cross machine direction | 105.3 107.5 | ||
Tear strength, Machine direction: mN Cross machine direction: mN | ≥2000 ≥2300 | 3880 4400 | |
Tensile strength, N/mm2 Machine direction: Cross machine direction: | ≥80 ≥35 | 80.8 47.2 | |
Dielectric breakdown: (volts/layer ,dry test) | ≥2100 | 2167 (2200,2100,2200) | |
Bond strength: Kpa | ≥450 | 664 | |