aluminum foil with high barrier and shading properties,tensile nylon and BOPP etc are used to laminate 63um,68um,70um,72um sausa aluminum foil with high barrier and shading properties,tensile nylon and BOPP etc are used to laminate 55um,60um,63um,68um,70um,72um sausage foils for pu sealant,neutral silicone sealant and acrylic sealant