BOPS window envelope film (Biaxially Oriented Polystyrene film), environmental protection type, available in glossy or matte finish. Normal jumbo roll sizes: 25UM x 980/1050/1200mm x 3000/4000M. Normal smaller roll sizes: 25UM x 105/110/120/125/130/135mm x 4000M. Density: 1.04 g/cm3. Color: clear/transparent or printed color logos. Thickness options: 27 g/m2 (30 microns), 29 g/m2 (32 microns), 35 g/m2 (39 microns). Width: 100,105,115,120,125,130,135,150mm & 950,980,1050,1200,1500mm. Length: 3000-4000M. Features: very good anti-static ability; excellent film smoothness giving few mechanical stoppages during envelope production; good slitting with high-intensity endurance while easily torn horizontally, suitable for high-speed envelope production; low cost, with China/Japan using standard 25um thickness vs. other producers' 27/29um material, an 8%-16% cost saving. Packing: cartons, kraft paper and bubble film for inner packaging; pallets and wood board for outer packaging.
