Monolayer Polypropylene (PP)

SEM Surface Photomicrograph of
Celgard® Monolayer PP Battery Separator

Celgard is the leading supplier of Monolayer Polypropylene (PP) separator membranes to the disposable (primary) lithium battery market. Monolayer PP separators are also well-suited for electric drive vehicle (EDV) applications because they offer increased rate capabilities and are stable across a wide thermal range.

Features of Celgard® Monolayer PP Separator Membranes:

• Produced using a dry-stretch manufacturing process
• Excellent resistance to acids, bases, and most chemicals
• Uniform pore structure with high chemical and thermal stability
• Well-suited for a variety of barrier-type uses
• Oxidation resistance for excellent cycling & trickle charge performance
• Zero TD shrinkage reduces internal shorting and improves high temperature dimensional stability

More details about these products in our library