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There is little probability that polyester will have industry surplus. The packaging industry will become a new big consumer.

According to recent statistics, the total capacity of domestic construction and proposed PET (polyethylene terephthalate) production facilities has surpassed 6 million tons. If fully operational, China's polyester output in 2008 could exceed 18 million tons, and by 2010, it might surpass 19 million tons. However, rising crude oil prices have led to a steady increase in the costs of key raw materials like terephthalic acid and ethylene glycol, putting pressure on production expenses. Additionally, international anti-dumping measures against China’s polyester industry have hindered export growth. As a result, domestic supply has surged, competition has intensified, and corporate profits have dropped. Some analysts are concerned that the polyester sector is facing overcapacity. But according to experts, while there may be temporary oversupply in certain segments, the overall industry is unlikely to face a major crisis. With the packaging industry emerging as a significant consumer of polyester after textiles, the rapid expansion of this sector is expected to drive continued growth in the polyester market. One of the most promising areas for PET growth is beverage packaging. China’s beverage industry has seen an average annual growth rate of over 20% in recent years. In 2004, soft drink production reached 29.1 million tons, up 22.7% year-on-year. Despite this, per capita consumption remains low at just 8 liters, compared to the global average of 40 liters and 195 liters in Western Europe. This indicates substantial room for future development. Experts predict that the beverage industry will continue to grow at more than 15% annually over the next decade. The booming beverage sector is driving demand for packaging solutions. PET bottles are widely used due to their cost-effectiveness, transparency, strength, and ease of molding. Globally, over 60% of carbonated drinks, juices, tea, and bottled water are packaged in PET. In China, the usage rate rose from 53% in 1997 to 70% by 2001. PET is also gaining traction in edible oil and chemical packaging, with annual growth rates exceeding 20%. PET beer bottles are considered one of the most promising applications. Compared to traditional glass bottles, they are lighter, easier to transport, and less prone to breakage. They also offer better oxygen and UV barriers, making them ideal for long-term storage. Major PET manufacturers have invested heavily in developing these bottles since the 1990s, and by the early 2000s, large-scale production was achieved. In the U.S., PET beer bottles reached 300 million units in 2001, and in Europe, they accounted for 10% of total beer packaging. In South Korea, PET bottles made up 40% of beer packaging. China’s beer production has grown steadily, reaching over 29.1 million tons last year. At 630ml per bottle, this requires over 46 billion bottles annually. Even a 10% shift to PET would create a $2 billion market, and 50% adoption could lead to over 1 million tons of PET resin demand yearly—highlighting massive potential. Domestic companies like Zhuhai Zhongfu and Shanghai Zijiang have developed advanced PET bottles with high oxygen barriers and heat resistance, meeting pasteurization standards. These products are already gaining popularity among consumers. Experts believe that with continued technological advancements and improved production processes, PET bottles will see rapid growth in the beer packaging sector over the next decade. In pharmaceutical packaging, PET is becoming increasingly popular. While PP, PE, and PVC were traditionally dominant, rising PP and PE prices have led to increased use of PVC. However, PET offers superior moisture resistance, clarity, non-toxicity, and recyclability, making it a strong alternative. Although PVC still holds a large share, its use in food and medical packaging is being restricted in many countries, further boosting PET’s appeal. Overall, the PET industry is not in crisis but rather poised for significant expansion, driven by growing demand across multiple sectors including beverages, beer, and pharmaceuticals.

PVC Granulation Line

The PVC Granulation Line is a specialized system for producing PVC granules, which can be categorized into several types based on the material and application.
1. Rigid PVC Granulation Line
Suitable for processing rigid PVC materials. The line typically includes a conical twin-screw extruder, hydraulic screen changer, and water-ring cutting system. The capacity ranges from 200 kg/h to 2000 kg/h.
Produces high-quality rigid PVC granules with uniform size and excellent physical properties. The line is designed for high output and low energy consumption.
Widely used in the production of PVC pipes, profiles, and other rigid PVC products. It is suitable for building materials, automotive parts, and industrial applications.
2. Soft PVC Granulation Line
Designed for processing soft PVC materials. The line includes a conical twin-screw extruder, hydraulic screen changer, and hot melt cutting system. The capacity ranges from 100 kg/h to 800 kg/h.
Produces soft PVC granules with good flexibility and elasticity. The line can handle various soft PVC materials, including cables, films, and profiles.
Used in the production of soft PVC products such as cables, hoses, and decorative materials. It is suitable for electrical, automotive, and medical applications.
3. Transparent PVC Granulation Line
Suitable for processing transparent PVC materials. The line includes a high-precision conical twin-screw extruder, hydraulic screen changer, and water-ring cutting system. The capacity ranges from 100 kg/h to 500 kg/h.
Produces high-quality transparent PVC granules with excellent clarity and transparency. The line is designed for high precision and stability.
Application Scenarios: Widely used in the production of transparent PVC products such as packaging materials, medical tubes, and decorative films. It is suitable for food packaging, medical, and automotive industries.
4. PVC Composite Granulation Line
Designed for processing PVC composite materials, including PVC with additives, fillers, and other materials. The line includes a conical twin-screw extruder, hydraulic screen changer, and water-ring cutting system. The capacity ranges from 200 kg/h to 1500 kg/h.
Produces high-quality PVC composite granules with enhanced properties such as improved strength, flexibility, and chemical resistance. The line can handle various composite materials.
Application Scenarios: Used in the production of PVC composite products such as pipes, profiles, and sheets. It is suitable for building materials, automotive, and industrial applications.

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Zhangjiagang Polestar Machinery Co.,Ltd , https://www.polestarpm.com