Why A 5-Layer Tube?
Some products are very sensitive to light or oxygen and must be carefully ptotected. Other products have a strong smell that has to be concealed. A co-extruded tube which incorporate a barrier layer in it may be the best solution. The barrier layer can provide excellent product protection characteristics, preventing transmisssion of ingredients such as sun cream, flavors and perfumes through the body of the tube.
Structure of 5-layer tube:
PE+tie resin +EVOH +tie resin +PE