one. Characteristics
- Hot-pressed Pressboard, 100 % sulphate pulp
- High hardness and stiffness
- Low shrinkage and compatibility
- High purity and mechanical strength
- Good compatibility with liquid dielectrics
- Further processing is ensured since the pressboard can be punched, folded, cut and formed CZPT difficulty.
2.Applications
Utilised as insulating materials in electrical power and distributing transformer. It is suited for strips, cylinders, spacer, plates and structural supports of oil-liquid of distribution transformers, reactor and bushing existing transformer.
three.TECHNICAL PARAMETER
| Products | CZPT IEC60641-3-one | |
| Thickness Tolerance | ± 7.% | |
| Density | 1.05 -1.20 g/cm3 | |
| Tensile toughness |
MD CMD |
≥ 90 N/mm2 |
| ≥ 50 N/mm2 | ||
| Shrinkage |
MD CMD Perpendicular |
≤ 1. % ≤ one.4 % ≤ six. % |
| Elongation |
MD CMD |
≥ 3.5 % ≥ four. % |
| Ash Material | ≤ 1.% | |
| PH Worth of Aqueous Extract | 6 – 9 | |
| Oil Absorption | ≥ nine% | |
| Conductivity of Aqueous Extract | ≤ 10 mS/m | |
| CZPTal Strength in Oil .8mm -one.0mm 1.5mm – 2.0mm two.5mm three.0mm – 4.0mm |
≥ 35 KV/mm ≥ 30 KV/mm ≥ 27 KV/mm ≥ 24 KV/mm |
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