PET plastic bottles have become a big hit this year

There is an attractive business opportunity for plastic packaging in the beverage industry. In 2002, the output of beverages reached 20.24 million tons, and the demand for plastic containers for sodas, juices, vegetables, and beverages increased day by day. In today's beverage market, PET occupies a major position in container applications for tea, carbonated beverages, fruit juices, and bottled water, and the prospects are promising.

In the past two years, new packaging in the Chinese beverage market has gradually increased. Currently, there are several types of plastics used in beverage packaging:

1, PE (polyethylene):

PE is the world's largest synthetic resin and the most consumed plastic packaging material. Polyethylene products are divided into three types of low density, medium density and high density. Among them, high-density polyethylene (HDPE) has a high degree of crystallinity, and its hardness, air tightness, mechanical strength, and chemical resistance are all good. Therefore, it is widely used in blow molding to make hollow containers such as bottles. With the characteristics of good heat-sealability of PE, the containers made of various composite materials can hold lemon juice, fruit juice and other beverages.

2, PVC (polyvinyl chloride):

PVC can be roughly divided into three types: hard products, soft products and paste products. The PVC bottle produced by injection stretch-blow method is seamless. The wall of the bottle is thin and uniform. It can hold aerated beverages such as cola and soda. PVC bottles produced by extrusion blow molding are only suitable for holding fruit juice and mineral water.

3, PP (polypropylene):

The development of polypropylene transparent packaging bottles has been a hot spot in plastic packaging at home and abroad in recent years. With the successful development of a transparent modifier, a nucleating agent, 0.1% to 0.4% sorbitol (benzaldehyde) nucleating agent is added to ordinary PP, and the produced highly transparent PP bottles can be widely used in For beverage packaging that requires high temperature filling such as concentrated fruit juice, which requires high temperature filling, it is suitable for price, pressure and temperature resistance, and is a new opponent for PS, ABS, PET, and PE bottles.

4. Polyester (PET or PETP):

的 PET bottles produced by the biaxial stretch blow molding method have good transparency, high surface gloss, and a glass-like appearance. They are the most suitable plastic bottles to replace glass bottles. In recent years, China's PET bottle production has developed rapidly, and is widely used in various tea beverages, juices and other beverages that require hot filling, such as Pepsi Cola's 600ml, 1.25L, 2L, and 2.5L PET bottles. Different volumes are targeted at individuals and families. The different needs of consumers are well received by consumers.

From the perspective of the market share of the major beverage countries in the world, the share of PET bottles has exceeded 70%. The results of a survey indicate that by 2007, the market sales of food and beverage packaging plastics in Europe will increase from 4.91 billion US dollars in 2000 to 7.15 billion US dollars, with an average annual growth rate of 5.5%. At present, China is also in the high-speed development stage of PET beverage packaging, and the demand for polyester bottles is increasing by double digits every year. The proportion of PET bottles in domestic carbonated beverage packaging accounts for 57.4%. It can be seen that polyester bottle packaging has occupied the main share of the domestic beverage packaging market. Consumers widely believe that PET bottles have the characteristics of "large capacity, transparency, strong intuitiveness, light and easy to open, refrigerated, easy to carry, sturdy, and recyclable", which provide a broad market prospect for their development.

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