PP/PS Sheet line for packaging food, medicine, cosmetics, obstructing air with packed materials PP/PS Sheet line1)PP/ PS/PE 5 layer co- ... extrusion high obstructing packaging sheet,thickness range: 0.4 ... packed materials, lasting the guarantee period. 2)PP/PS/PE sheet for thermoforming suck moulding.,width: 600-1800mm,thickness range ...