Product Details
|
Properties |
Units |
Values |
|||||
|
|
|
≤1.6mm |
>1.6-3.0mm |
>3.0-6.0mm |
|||
|
Thickness Tolerance |
% |
≤ ±7.5 |
≤ ±5.0 |
||||
|
Density |
g/cm3 |
1.0-1.2 |
|||||
|
Tensile Strength |
MD |
Mpa |
≥80 |
≥80 |
≥80 |
||
|
|
TD |
|
≥55 |
≥55 |
≥50 |
||
|
Elongation |
MD |
% |
≥6.0 |
||||
|
|
TD |
|
≥8.0 |
||||
|
Shrinkage |
MD |
% |
<0.7 |
||||
|
|
TD |
|
<1.0 |
||||
|
|
Thickness |
|
<5.0 |
||||
|
Moisture Content |
% |
≤8.0 |
|||||
|
Ash Content |
% |
≤1.0 |
|||||
|
Electric Conductivity |
Ms/m |
≤8.0 |
|||||
|
PH of Water Extractives |
|
6.0-9.0 |
|||||
|
Electric breakdown Strength in oil |
KV/mm |
≥40 |
≥30 |
≥25 |
|||
Charasteristic for eletrician insulating paperboard
Pressboard is made from 100% superior sulfate insulating wood pulp. It has good dielectric and high mechanical properties.
Usage for eletrician insulating paperboard
Pressboard is widely used for transformers, high pressure electric apparatus, current transformers, switches, etc.
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