美国celgard隔膜Trilayer PP/PE/PP
Celgard's proprietary trilayer technology is a key feature which differentiates Celgard® battery separators from those manufactured by other battery separator suppliers. This unique process capability allows Celgard to combine the inherent benefits of polypropylene (PP) and polyethylene (PE) membranes into a single flat-sheet lithium battery separator.
Features of Celgard® PP/PE/PP Trilayer Separators:· Produced using a dry-stretch manufacturing process
· Excellent resistance to acids, bases, and most chemicals
· Uniform pore structure with high chemical and thermal stability
· Zero TD shrinkage for reduced internal shorting and improved high temperature dimensional stability
· PP outer layers that provide oxidation resistance for excellent cycling & trickle charge performance
· PE inner layer that provides high-speed shutdown capability
Celgard® Commercial Trilayer PP/PE/PP Separators:| Product | Thickness | JIS Gurley | Porosity | TD Shrinkage | 
| 2325 | 25 µm | 620 seconds | Medium | 0% | 
| 2320 | 20 µm | 530 seconds | Medium | 0% | 
| C210 | 16 µm | 460 seconds | Medium | 0% | 
| M825 | 16 µm | 460 seconds | Medium | 0% | 
| M1473 | 14 µm | 425 seconds | Medium | 0% | 
| M824 | 12 µm | 425 seconds | Medium | 0% | 


 
                 
             
        

 
                             
                            
 
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