Blister tray supplier | What kinds of materials are there for blister traysSep 16, 2021
PET hard film has good toughness, high transparency, easy to burn, and does not produce harmful gas when burned. It is an environmentally friendly material, but the price is high, and it is suitable for high-end blister products. The blister in European and American countries generally requires the use of PET hard film, but It is not easy to heat seal, which brings great difficulties to packaging. In order to solve this problem, people use a material called PETG ethylene glycol modified-polyethylene terephthalate. Heat sealability, PET's high environmental protection and transparency, but the price is higher.
PS hard film has low density, poor toughness, and is easy to burn. It will produce styrene gas (a harmful gas) when burned, so it is generally used to produce various industrial blister trays.
PVC hard film has moderate toughness and is not easy to burn. It will produce chlorine when burned, which will have a certain impact on the environment. PVC is easy to heat and can be sealed with a sealing machine and a high-frequency machine. It is the main raw material for the production of transparent blister products.
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