airless pump travel bottles

airless pump travel bottles

Cosmetic packaging materials, especially skin care packaging materials, are basically glass and plastic two major categories, then the following is a small knowledge summary of plastic packaging materials.
1. Different plastic materials, plastic packaging materials commonly used in cosmetics are plastic packaging materials, and plastic packaging materials include: PP, PE, PS, PET, PETG, AS, ABS, acrylic, etc. PP material is polymer polypropylene, plastic is a polymer compound, non-toxic, harmless, no odor, better heat resistance, cold resistance is also good, chemical stability is very good, encounter strong acid and alkali chemical properties are not easy to change. Features: milky white translucent, lubrication, no slippiness; PP bottles are softer than PET, easier to pinch, and less transparent than PET, so some opaque shampoo bottles are more commonly used (easy to squeeze).