| ITEM | TYPICAL VALUES | MATTER OF FACT |
| Thickness: mm | 4mm±7.5% | 4.1-4.3mm≤7.5% |
| Width | 5±0.5mm | 4.95-5.38mm≤0.4mm |
| Length of 1000mm: | ±5mm | 1000±3 mm |
| Pitch of stick centre: | ±3mm | 23±2 mm |
| Apparent density: g/cm3 | 1.1-1.2 | 1.18 |
| Moisture content ,% | 4.0 to 9.0% | 5.7 |
| PH water extract: | 6.0 to 9.0 | 6.8 |
| Ash content,% maximum | 1% | 0.51 |
| Tensile strength Mpa Machine direction: Cross machine direction: | ≥90 ≥50 | 107.4 101.3 |
| Oil absorption | ≥7.0% | 12.29 |
| Shrinkage rate% MD CMD Thickness D | ≤1.0 ≤1.4 ≤6.0 | 0.16 0.25 ≤5 |
| Elongation rate MD CMD | ≥3 ≥4 | ≥4.4 ≥4.4 |
| Conductivity of aqueous extract Ms/m | ≤10.0 | 5.03 |
| Dielectric breakdown:(Kv/mm )In Air In Oil | 10 24 | 16.7 35.7 |
| ITEM | TYPICAL VALUES | MATTER OF FACT | |
| Caliper: (millimeter) | 0.25mm | ||
| Thickness: mm | 0.25±0.025mm+0.06 | 0.260 (0.260,0.258,0.262) | |
| Width: mm | 1000±5mm | 1000-1005 | |
| Apparent density: g/cm3 | 0.9 to 1.1 | 1.01 | |
| Moisture content ,% | 4.0 to 8.0% | 5.6 | |
| PH water extract: | 6.0 to 8.0 | 7.5 | |
| Ash content,% maximum | 1% | 0. 43 | |
| Coating thickness per side mm | 0.006 to 0.012 | 0.011 | |
| Tensile strength,N/mm2 Machine direction: Cross machine direction: | 80 35 | 86.6 48.1 | |
| Dielectric breakdown: (volts/layer ,dry test) | ≥2100 | 2230 | |
| Bond strength: Kpa | 450kpa | 679 | |
