55um,60um,63um,68um,70um,72um sausage foils for pu sealant,neutral silicone sealant and acrylic sealant 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