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Polypropylene (PP) Lithium-Ion Battery Separator Roll – Dry Process, 25 µm (800 m × 60 mm) for Li-ion Cell Research

Polypropylene (PP) Lithium-Ion Battery Separator Roll – Dry Process, 25 µm (800 m × 60 mm) for Li-ion Cell Research

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High-quality microporous polypropylene (PP) lithium-ion battery separator roll manufactured using the dry process, designed for Li-ion cell assembly, electrode stacking, and laboratory-scale battery research.

The separator features controlled porosity (42 ± 3%), stable air permeability (Gurley value 350 ± 100 s/100 ml), and strong mechanical resistance, making it suitable for pouch cells, cylindrical cells, and coin cell prototyping.

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Specification
Product Type Lithium-Ion Battery Separator Roll
Material Polypropylene (PP)
Manufacturing Method Dry Process
Thickness 25 ± 2 µm
Width 60 mm
Roll Length 800 m
Air Permeability (Gurley) 350 ± 100 s / 100 mL
Porosity 42 ± 3 %
Area Density 13.2 ± 1.0 g/m²
Puncture Strength ≥ 450 g
Tensile Strength (MD) ≥ 1400 kgf/cm²
Tensile Strength (TD) ≥ 1300 kgf/cm²
Thermal Shrinkage (MD) ≤ 1.5 % (90 °C, 2 h)
Thermal Shrinkage (TD) ≤ 0.5 % (90 °C, 2 h)
Application Li-ion pouch, cylindrical & coin cells
Packaging 1 roll

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