Blister material

- May 14, 2018-

1. The PVC sheet has high toughness and is not easy to burn. When it is burned, it will produce chlorine, which will cause some impact on the environment. PVC is easy to heat and can be sealed by sealers and high frequency, which is the main raw material for producing transparent plastic products. PVC sheet is a widely used and popular material, PVC film can be divided into two kinds of environmental protection and environmental protection, can be made of transparent, colored, anti-static, gold-plated, flocking and other various plastic packaging products, Features Mainly high transparency, good surface gloss, less crystal point, small water mark, wide use, strong impact resistance, and easy molding, the products are widely used in toys, food, electronic products, medicine, electrical appliances, gifts, cosmetics, stationery, etc. Product packaging.


2, PS hard film low density, poor toughness, easy to burn, when burning styrene gas (a harmful gas), it is generally used to produce a variety of industrial plastic tray. PS sheet is a new type of environmental protection packaging material developed in recent years. With its excellent thermoforming performance, good environmental performance and sanitary performance, it is widely used in medicine, food, toys and electronics.


3, PET hard film toughness is a new material developed in recent years. With its excellent toughness, high strength, high transparency, and renewable recycling, easy to burn, no harmful gases when burning, it belongs to environmental protection materials and gradually banned PVC, but the price is high. It is suitable for high-grade plastic products. The blister blister of European and American countries generally requires the use of PET material, but its high thermal melting point makes it difficult for high-frequency packaging.


4, PETG material is to solve the problem of high melting point PET material, people on the PET surface composite layer of PVC film, named PETG, but the price is higher. Mainly used for electronics, food, toys, box window, collar care, footwear packaging. [span] Its advantages are as follows:


(1).Excellent transparency and smoothness, good display effect.

(2). Excellent surface decoration performance, can be printed without surface treatment, easy to suppress the pattern, easy metal processing (vacuum plating metal layer)

(3). Has good mechanical strength.

(4). Good barrier properties against oxygen and water vapor.

(5). Good chemical resistance, can withstand the erosion of many chemical substances.

(6). Non-toxic, reliable sanitary performance, can be packaged in food, medicine and medical equipment, and can be sterilized by Y-ray [span].

(7). The adaptability to environmental protection is good, and it can be recycled economically and conveniently; when it is incinerated, no harmful substances harmful to the environment are produced. This type of sheet is considered to be an ideal packaging material that meets (ROSH) environmental protection requirements.


5. Polypropylene resin as the main raw material for PP sheet, adding masterbatch, toughening agent and brightener for various processes, such as mixing, plastic extrusion, three-roll calendering, cooling, traction and winding, etc. production. PP sheet has the characteristics of non-toxic, odorless, sanitary, high mechanical strength and good barrier properties, and can be used for packaging in industries such as industry, agriculture and fruits. The surface of the tray box made of PP anti-slip sheet is smooth and beautiful, and it is welcomed by users. PP sheet is also suitable for high cold-resistant frozen food packaging, such as ice cream boxes, dumpling boxes, dumpling boxes and so on.


PP blister has: environmental protection, aesthetics, screen printing, Ke Yin, bronzing, high temperature resistance, low temperature resistance, high transparency, flex resistance, product compliance with food testing standards (can also be unnecessary), microwaveable.


Disadvantages of PP: low dimensional accuracy, lack of rigidity, poor weatherability, easy to produce "copper damage", it has a phenomenon of post-shrinkage, after demoulding, easy to aging, brittle, easily deformed.




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