The Bottom Number Meaning
1th PET polyethylene glycol terephthalate resin
Common bottles of mineral water, carbonated beverage bottles. Heat to 70 ℃ deformation, melting substances which are harmful to the human body. 1th plastic spent 10 months later, DEHP can release carcinogens. Should not be placed in a car in the Sun; do not install the wine, oil and other substances
2nd HDPE High density polyethylene
Common white medicine bottles, cleaning supplies, bath products. No longer used as water glasses, or other items used for storage containers. Cleaning is not complete, not recycled.
3rd, PVC polyvinyl chloride
Common raincoat, building materials, plastic film, plastic boxes. Excellent plasticity, cheap, so the use of common, only heat 81. high temperatures likely to have bad material, rarely being used in food packaging. Difficult to clean residue, not recycled. If loaded beverages do not buy.
4th PE polyethylene
Common plastic wrap, plastic film. High temperatures hazardous substances, toxic food enters the human body, can cause breast cancer, birth defects and other diseases. Cling film in the microwave.
5th PP polypropylene
Common milk bottles, yoghurt bottles, juice bottles, microwave meal boxes. Melting point up to 167 ℃, was only plastic box that can be placed into the microwave oven, can be reused after careful cleaning. Note that some microwave lunch box, box body 5th PP manufacturing, but the lid is 1th PE manufactured, as PE cannot withstand the high temperatures, it cannot be in the microwave along with the box.