One: The color is yellowish or grayish. Or there are yellow bars
PET film, especially when it is rolled into a reel, the color is yellow or gray. It can be seen with the naked eye. If there are yellow bars, you must unfold the film or observe the light
PE/PET/PE plastic sheet is a composite material of high-strength polyester material PE and PET, with good tensile strength, impact resistance and puncture resistance.
There are a lot of materials that we don’t know are widely used in daily life, such as PP materials, household utensils and containers such as plastic bowls, cups, boxes, etc. are all made of PP materials, so in the end PP What material is it? h
PET sheet is a new type of plastic product recently developed in recent years, so what is the difference between it and our traditional plastic? First of all, the production process of this material is more complicated. It is produced through a series of
PP sheets can be made into various products through secondary processing such as thermoforming, and are mainly used for packaging of food, medicine, medical equipment, etc.
Compared with PET, the biggest feature of PETG is that PETG conforms to the concept of environmental protection and food FDA certification.