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Compared with APET, PETG does not crystallize at a very high molding temperature. It is suitable for vacuum forming, even able to obtain complex geometric shapes.
PETG (Polyethylene Terephthalate Glycol), also known as GPET, is an amorphous PET resin modified with cyclohexanedimethanol. Its melting point is relatively low, only 180℃～200℃. PETG sheet has the characteristics of APET sheet. At the same time, its biggest feature is outstanding thermoforming performance, easy operation and reliable quality during thermoforming.
Physical and Chemical Properties
| Density | 1.30～1.38g/cm³ |
| Rockwell hardness | 106 ~ 116 |
| Tensile strength | ≤8700psi |
| Elongation (Break) | 10%in |
| Shrinkage | 0.010 ~ 0.015in |
| Melting point | 180～200℃ |
Advantages of PETG Sheets
Good thermoformability
PETG sheets are easy to produce products with complex shapes and large stretch ratios. Moreover, unlike PC board and impact-modified acrylic, this board does not need to be pre-dried before thermoforming. Compared with PC board or acrylic, its molding cycle is short, the temperature is low, and the yield is higher.
Good toughness
The extruded sheet of PETG sheet is usually 15 to 20 times tougher than general acrylic and 5 to 10 times tougher than impact modified acrylic. It has sufficient bearing capacity during processing, transportation and use, which helps prevent cracking.
Weather resistance
It provides excellent weather resistance. It can maintain the toughness of the product and prevent yellowing. It contains ultraviolet absorbers, which can be co-extruded into a protective layer to protect the board from the harmful effects of ultraviolet rays.
Easy to process
It can be sawed, die-cut, drilled, punched, sheared, riveted, milled and cold-formed without breaking. It can also be processed for flocking, electroplating, static electricity, etc.
Chemical resistance
PETG sheet can withstand a variety of chemicals and common cleaning agents.
Environmental friendly
The PETG sheet substrates are all environmentally friendly materials, which meet the requirements of food contact management.
Economy
It is cheaper than PC board and more durable than acrylic.
Application of PETG Sheet
PETG sheets are widely used in cosmetics, medicine, electronics, food packaging, such as face masks, mobile phone trays, perfume bottles, cosmetics bottles, beverage bottles, lipstick tubes, cosmetic boxes, deodorant packaging, talcum powder bottles and eyeliner covers, etc.
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