Single-Side Al₂O₃-Coated PE Battery Separator

Single-Side Al₂O₃-Coated PE Battery Separator
Application: Separator for Lithium-ion Batteries
Product Overview: The SH420W14 separator features a single-sided aluminum oxide (Al₂O₃) ceramic coating on a polyethylene (PE) base film. This structure significantly enhances the separator’s thermal stability and puncture strength. Custom dimensions are available upon request.

Key Specifications (Single-Sided Reference):
Model: SH420W14
Material Structure: 6 µm/16 µm PE base film + 4 µm Al₂O₃ coating
Width: 60 mm
Alumina Coating Thickness: 4 µm
Porosity: 44 ± 5%
Areal Density: 13 ± 1 g/m²
Air Permeability (Gurley): 180 ± 60 s/100ml
Puncture Strength: >= 600 g
Tensile Strength (MD – Machine Direction): >= 1600 kgf/cm²
Tensile Strength (TD – Transverse Direction): >= 1500 kgf/cm²
Thermal Shrinkage (90°C, 2h):
– MD: <= 2.5%
– TD: <= 2.0%
Packaging Unit: Roll
Standard Dimensions: 60 mm Width x 1000 m Length (60 m²/roll, 16+4 µm) or 60 mm Width x 100 m Length (6 m²/roll, 6+4 µm)