Shrink film is an important organic synthetic polymer material, which is widely used. However, the “white pollution” caused by discarded shrink films has become more and more serious. If we understand the details of the classification of shrinkable films, it will not only help us to scientifically use the shrink film products, but also facilitate the classification and recycling of shrink films, and be effective. Control and reduce "white pollution."
PET polyethylene terephthalate (PET), PET is commonly used in mineral water bottles, carbonated beverage bottles and so on.
Use tips: It can only heat to 70 °C, easy to deform. Only suitable for warm drinks or frozen drinks, high temperature liquid, or heating is easy to deformation, and release harmful substances. Scientists also found that the use of No. 1 shrink film product suggests that 10 months later, it may release the carcinogen DEHP, which is toxic to the testis.
Reminder: Don't recycle beverage bottles with hot water. Do not put the sun in the car; do not put wine, oil and other substances.
Therefore, drink bottles should be discarded after they are used up. Do not use them as drinking glasses, or use them as storage containers to carry other items, so as not to cause health problems but worth more.
HDPE high density polyethylene, HDPE is commonly used in: cleaning supplies, bath products packaging.
Tips for use: Reusable tips can be used after careful cleaning, but these containers are usually not well cleaned, leaving the original cleaning supplies and become a hotbed of bacteria. You're better off not using recycled tips. Do not use it as a cup or as a storage container for other items.
Reminder: It is difficult to thoroughly clean, it is recommended not to recycle tips
PVC PVC, PVC is commonly used in: common raincoats, building materials, shrink film, shrink film boxes. It is rarely used for food packaging.
Uses Tip: This material has good plasticity and low price, so the use tips are very common. Only heat-resistant 81 °C, easy to produce harmful substances at high temperatures, even during the manufacturing process will release toxic substances. If you enter the body with food, it may cause breast cancer, newborn birth defects and other diseases. Containers of this material have been less used for packaging foods. If it does, don't let it heat. Difficult to clean and easy to keep, do not recycle tips. Do not buy if you have drinks. Reminder: Can't be used for food packaging