Difference between PVC material and PET material
PET performance especially, the price is expensive, PVC is not environmentally friendly, but the price is cheap.
PVC is called polyvinyl chloride; PET is called polyethylene terephthalate.
PVC chlorine, a certain toxicity, not suitable for food packaging, transparency, temperature resistance worse than PET, odor.
PET transparency, non-toxic tasteless, corrosion-resistant, common for beverage bottles, bags and so on.
PET is a polymer material, the full name is polyethylene terephthalate, is widely used, the bottle is to use it to do drinks, is a biodegradable recycling materials.
PET mainly includes polyethylene terephthalate (PET) and polybutylene terephthalate (PBT).
PET molecular structure highly symmetrical, with a certain degree of crystal orientation, it has a high film forming and softness. PET has good optical properties and weatherability, amorphous PET has good optical transparency. In addition PET has excellent abrasion resistance and dimensional stability.
Made of PET products with good transparency, non-toxic, anti-infiltration, light weight, high productivity and so has been widely used.
PBT and PET molecular chain structure is similar, most of the nature is the same, but the molecular chain from two methylene into four, so the molecules more supple, more excellent processing performance.
PET's main purposes are: all kinds of food, medicine, non-toxic sterile packaging materials; textiles, precision instruments, electrical components of high-grade packaging materials; decorative products, color wall stickers products, biodegradable decorative materials and other environmental protection is better ; Electronic tapes, video tapes, films, computer floppy disks, metal coating and photographic film substrates; electrical insulation materials, capacitors, flexible printed circuit boards and membrane switches and other electronic fields and machinery.
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