Cosmetic Acrylic Bottle Company introduces the different materials of plastic bottles:
1. PVC plastic bottle: The scientific name of PVC is polyvinyl chloride, and the raw material of PVC plastic is in the state of the yellowish semi-permeable membrane with luster. Due to the poor stability of PVC plastic bottles to light and heat, PVC bottles cannot be heated at high temperatures or exposed to the sun to ensure the quality of the packaged items and the safety of human use. PVC bottles are suitable for another product packaging except food packaging. Then consumers can identify whether the bottle is made of PVC through a simple method: bend the bottle and see that there is a whitening phenomenon at the inflection point, which is a PVC bottle.
2. PET plastic bottle: The scientific name of PET is polyethylene terephthalate plastic, and the raw material of PET plastic is milky white or light yellow and highly crystalline. Compared with PVC material, PET has good optical properties and weather resistance, and has good non-toxic stability but is not resistant to hot water immersion and alkali resistance. PET bottle packaging is suitable for the packaging of food, medicine, cosmetics, and other industrial products. It is very simple to identify PET bottles. Use a lighter to touch the bottle body. If it exudes a comfortable smell, it is a PET bottle. If it exudes a pungent smell, it is not a pure PET bottle.
3. PP plastic bottle: The scientific name of PP is polypropylene, and the PP plastic raw material is in a semi-crystalline state. PP material is a lighter one of the commonly used plastics. It has excellent electrical properties. It is used as a high-frequency insulation material that is resistant to humidity and heat. It is suitable for packaging in the automotive industry and daily necessities. In food packaging, PP bottles cannot be used. on the barrier packaging of carbonated beverages. So consumers should pay attention.
4. PE plastic bottle: The scientific name of PE becomes polyethylene, which is the largest synthetic resin in the world and the most consumed plastic packaging material. PE material has the advantages of low water absorption, insoluble in water, is not easy to get wet, and has the advantages of insulating properties, so it is not only used in food and drug packaging but also in the construction industry.