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Analysis of Plastic Bottle Cap Technology and Market Development

  • Categories:Company News
  • Time of issue:2021-06-22 13:04
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(Summary description)Because the bottle mouth tolerance is difficult to control to the predetermined range, almost 100% of the hot-filled bottles of the crystalline PET filling and sealing machine are matched with two caps. Since the end of the last century, many companies have tackled key problems and tried to replace them with monolithic covers.

Analysis of Plastic Bottle Cap Technology and Market Development

(Summary description)Because the bottle mouth tolerance is difficult to control to the predetermined range, almost 100% of the hot-filled bottles of the crystalline PET filling and sealing machine are matched with two caps. Since the end of the last century, many companies have tackled key problems and tried to replace them with monolithic covers.

  • Categories:Company News
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  • Time of issue:2021-06-22 13:04
  • Views:
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Single piece filling and sealing machine hot filling caps are low cost

Because the bottle mouth tolerance is difficult to control to the predetermined range, almost 100% of the hot-filled bottles of the crystalline PET filling and sealing machine are matched with two caps. Since the end of the last century, many companies have tackled key problems and tried to replace them with monolithic covers.

Since 2002, the prices of petrochemical raw materials have generally risen worldwide, while the price of Chinese bottle caps has decreased. Therefore, it is even more stimulating for people to seek newer technologies to reduce costs. The compression molding process has the advantages of precise cap size and small shrinkage coefficient. SACMI has been actively cooperating with Chinese users to research and develop monolithic caps for hot filling of filling and sealing machines, thus speeding up the process of monolithic caps becoming practical. .

Combination cover fashion choice

People should remember the scene where the Nongfu Spring Sports Cover first appeared in China in 1998. In less than three months, the sports cover on the market was overwhelming. With the integration of various cultures, it is inevitable that technological achievements will be displayed in a fashionable way. Therefore, a new combination cover similar to a sports cover will appear in a timely fashion in the Chinese beverage industry, which will make China's beverage cover varieties more colorful and more eye-catching.

Since the mid-1990s, the Coca-Cola Company has used plastic anti-theft caps instead of aluminum caps for beverages produced by Coca-Cola, thus pushing plastic anti-theft caps to the forefront of beverage packaging filling and sealing machines. Since then, domestic powerful packaging companies and beverage manufacturers have introduced foreign equipment one after another, and started the large-scale production and application of plastic anti-theft caps. Nowadays, thin and easy-to-open plastic bottle cap packaging is all over the beverage market, which not only facilitates consumers, but also promotes the rapid development of the beverage industry.

At present, due to the fierce competition in the domestic beverage industry, many well-known companies are adopting the latest production technology and equipment, so that China's cap making machinery and plastic cap production technology have reached the world's advanced level. World-renowned cap making machinery such as SACMI, Alcoa, Husky, Demag, Nestal, Engel, etc. have all entered China .

At the same time, in the field of plastic bottle cap production, the battle between injection molding and compression molding technology has also kicked off. Undoubtedly, technological innovation is the driving force for development and progress. Compression molding caps leads the future development direction of cap manufacturing. The compression molding process is very simple. Put a certain amount of material into the upper mold and the lower mold, and the upper and lower molds are closed to complete the processing of the material, then cool and demold ,Complete the cover making. The injection molding process is like injection, pushing the material to the gap of the mold until the gap is filled, then cooling and demolding, and the cap is completed.

Compression molding (ContinuousCom-pression Moldinglhhaha618, abbreviated CCM) is a new breakthrough in the plastic product manufacturing process that has appeared in the past 10 years. It poses a strong challenge to the century-old traditional injection molding process (Injection Molding, abbreviated IM). From the perspective of energy consumption, material consumption and overall cost of environmental protection, in the beverage industry, compression-molded lids are undoubtedly the development direction of lid-making methods now and in the future.

At present, the compression molding cover accounts for more than 80% of Coca-Cola, Pepsi, Uni-President, and Master Kong; Wahaha's tea drinks and soft drinks, Huiyuan PET juice, etc. have reached 100%. Compression molding process accounted for 70% of the global share, accounting for more than 60% of China's share. Although injection molding machines have successively adopted price cuts and various preferential promotions, the development trend of compression molding technology lids has not diminished. Since 2001, the number of compression molding equipment purchased by Chinese customers has greatly exceeded that of injection molding equipment.

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