1. What are the commonly used plastic sheets for blister packaging? What are the characteristics of each?

Answer: the sheet material for blister packaging is called hard film or film, commonly used are: pet (polyethylene terephthalate) hard film, PVC (polyvinyl chloride) hard film, PS (polystyrene) hard film. PS hard disk has low density, poor toughness and is easy to burn. When it is burned, styrene gas (harmful gas) will be produced, so it is generally used to produce various industrial plastic pallet. PVC hard disk has moderate toughness and is not easy to burn. When it burns, it will produce chlorine gas, which will have a certain impact on the environment. PVC is easy to heat close. It can be sealed by sealing machine and high-frequency machine. It is the main raw material for the production of transparent Blister products. Pet hard disk has good toughness, high transparency, easy to burn, and does not produce harmful gases when burning. It belongs to environmental protection materials, but its price is high, so it is suitable for making high-grade Blister products. Generally, pet hard disk is required for blister shell in European and American countries, but it is not easy to heat up, which brings great difficulties to packaging. In order to solve this problem, people compound a layer of PVC film on the surface of pet, named PETG hard disk, But the price is higher.

2. What is card inserting packaging? What should be paid attention to in card packaging?

A: what should be paid attention to in card packaging? Card inserting packaging refers to the packaging form in which the paper card is inserted together with the transparent bubble shell which has been folded over three sides. It is characterized in that no packaging equipment is required during packaging, only workers are required to place the product, bubble shell and paper card in place. Attention should be paid to the following problems: 1. The size of the paper card and the bubble shell with the folded edge is appropriate. If they are inserted too tightly, the paper card and the bubble shell will change shape; if they are too loose, they will be easily separated. 2. When the product is too heavy, it is necessary to fix the paper card and bubble shell with staples at a certain position.

3. What is card suction packaging? What should be paid attention to in the packaging of suction cards?

A: card suction packaging refers to the heat sealing of the bubble shell on the surface of the paper card with plastic suction oil. The common supermarket battery packaging uses this kind of packaging. It is characterized by the need for blister sealing equipment to seal the product between the paper card and the bubble shell. Attention should be paid to the following problems: 1. The paper card surface must be coated with absorbent oil (so that it can be bonded with PVC foam shell); 2. The foam shell can only be made of PVC or PETG sheet; 3. Because the foam shell is only adhered to the paper card surface, the packaged product is not easy to be too heavy.

4. What is double bubble shell packaging? What should be paid attention to in double blister packaging?

Double blister packaging refers to the packaging form in which two blisters are used to package paper cards and products together. It is characterized by low efficiency and high packaging cost, but the edge is neat and beautiful, and the product appearance is high-grade. The problems that should be paid attention to are: 1. PVC and PETG film can only be used for the blister shell, otherwise it can not be heat closed or the effect of heat sealing is not good; 2. The quality of the edge of the double blister shell is determined by the quality of the high-frequency mold.