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DONGGUAN SUNYO PLASTIC CO., LTD
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As a common material in our daily life, what's the difference between PET PETG?
1. Different definitions
PETG, it is a kind of transparent, an amorphous type copolyester, PETG commonly used for copolymerization monomer 1, 4 - cyclohexane two methanol (CHDM, Cylclohexylenedimethylene), called the polyethylene terephthalate - 1, 4 - cyclohexane 2 methyl ester.PET plastic is the abbreviation of Compulsory terephthalate, short for PET PETP.Polyterephthalic acid plastics, which mainly include polyethylene terephthalate PET butyl terephthalate PBT.
2. Different uses
PET is mainly used in the packaging of various beverage containers, such as nongfu Spring like pure water bottles, cola like beverage bottles.Of course, I think women who love beauty should be familiar with PETG.Compared with PET, PETG has higher transparency, better chemical resistance, better oil resistance, better weathering (yellower) resistance. Therefore, PETG is used for all kinds of long-term daily commodities, such as cosmetic bottles, perfume bottles, pharmaceutical packaging containers so on.
3. Different characteristics
The molecular structure of PET plastic is highly symmetrical has certain crystal orientation ability, so it has high film-forming character.PET plastic has good optical properties weather resistance, amorphous PET plastic has good optical transparency.
PETG plates are easy to produce products with complex shapes large tensile ratios., unlike PC board impact-modified acrylic, this sheet does need to be pre-dried before hot forming processing.Compared with PC board acrylic, its molding cycle is short, low temperature, higher yield.
To sum up, PETG is a good choice when buying cosmetic bottles.
If you want to know more details, please contact us. Domestic PETG PET stable suppliers are waiting for you ~