PP Battery Separator: meet all index of JB/T,7630.4-1998 standard; good mechanical strength; acid corrosion.

In China, our company is the larger manufacturer of PP Separator, processing 18 PP separator production lines, in testing of the State Storage Battery Quality Supervising Checking Center, the products meet all index of JB/T,7630.4-1998 standard. The company possesses integrated quality management network, completed testing devices, enjoying high reputation in storage battery industry.

Order	testing item	testing standard	performance index	unit	testing data	testing conclusion
1	Resistance	JB/T7630.4-1998	≤0.0015	Ω.dm2	0.0015	Meet standard
2	Tensile strength	JB/T7630.4-1998	≥3.0	MPa	3.5	Meet standard
3	aperture ratio	JB/T 7630.4-1998	≥65	%	68	Meet standard
4	Most aperture	JB/T7630.4-1998	≤36	μm	28	Meet standard
5	Pickling weightlessness	JB/T7630.4-1998	≤1.0	%	0.62	Meet standard
6	Wetability	JB/T7630.4-1998	≤5.0	s	2.0	Meet standard
7	Size stability	JB/T7630.4-1998	≤1.0	%	widthwise-0.05 Lengthwise-0.03	Meet standard
8	Foamability	JB/T7630.4-1998	Foam cant totally cover electrolysis liquid level		Meet standard	Meet standard
9	Layering	JB/T7630.4-1998	No layering gap		Meet standard	Meet standard
10	Chlorine content	JB/T7630.4-1998	≤0.003	%	0.001	Meet standard
11	Water content	JB/T7630.4-1998	≤1.0	%	0.1	Meet standard
12	Iron content	JB/T7630.4-1998	≤0.004	%	0.0008	Meet standard
13	Restoring potassium permanganate material	JB/T7630.4-1998	≤15	ml/g	2.3	Meet standard

PP Battery Separator