Various  coating battery separator:  (film / diaphragm / membrane)

Tianhong corporation has advanced international production lines for Li-ion battery separator by dry and uniaxial stretching process, equipped with high precision testing instruments, using high purity PP material and advanced production technology, mainly produce Li-ion battery separator film in thickness of 12-60 microns with different specifications, which is widely used in Li-ion power batteries, Li-ion energy storage battery and Li- ion digital product battery.

We are also producing the coating separator film : 

PP Battery separator film with  PMMA coating :

√ Improve adhesion.

√ Improve wet-ability and liquid retention.

√ Enhance thermal stability.

Professional Workshop:

Certificate: