China Alkyd Varnished Glass Cloths (2432), Find details about China Alkyd Varnished Glass Cloths, Insulation Cloth from Alkyd Varnished Glass Cloths (2432)
Item | Checking measure | unit | Requirments | ||
1 | appearance | | Uniform lacquer flim, no air bladder, no crease, or any other defect. lacqure film can' t be felt when open, with neat cutting of the whole roll | ||
2 | width | mm | negotiable | ||
3 | Normal thickness | mm | 0.12± 0.020 | ||
4 | thermoplastic (70± 2º C, 24h) | / | Lacquer film no felt, no break off | ||
5 | Shrinkage 105± 2º C, 6h)(average ) | % | ≤ 4 | ||
6 | Volume Resistance | Ω . m | Normality ≥ 1.0× 1011 | ||
7 | Breakdown voltage | room temperature | Medium | KV | ≥ 7.2 |
min | ≥ 4.8 | ||||
heating | medium | ≥ 5.2 | |||
min | ≥ 2.5 | ||||
After bending | medium | ≥ 5.0 | |||
min | ≥ 2.5 |