Alkaline Battery Separator Paper 
Welbon Special Materials Co., Ltd is the first independent Battery Separator Paper developer in China. With stable quality and supply, “Welbon” brand is highly recognized at home and overseas.
| Quality Index | Unit | Standard | |
| Gram | g/m2 | Design Value±2 | |
| Thickness | mm | Design Value±0.010 | |
| Moisture | % | ≤8 | |
| Alkali Absorption Height | mm/180S | ≥30 | |
| Alkaline Retention | % | ≥350 | |
| Longitudinal Tensile Strength | KN/m | ≥1.2 | |
| Acid-AlkaliExpansion Ratio | % | ≤1.0 | |
| Iron ion | （0.1-1.0）mm2 | unit/m2 | ≤5 |
|
|
1 mm2 |
|
Not allowed |
Welbon Special Material Co., Ltd is a subsidy of Welbon Group, which was established
in 2004 by merger & acquisition. As one of the leading supplier for
tobacco, battery and food paper industry, Welbon Special Material Co.Ltd has
been committing to delivering sustainable and innovative solutions and services
to customers since 1958, offering the product portfolio from Tobacco-related speciality papers to Non-tobacco speciality papers. Continuous
innovation, comprehensive market knowledge and a qualified team guarantee compliance with the most
demanding standards even of the global markets. We are developing our bu...
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