China’s Pet Bottle Making Equipment Has Been Improved

The blow molding of Pet Preform can be divided into two categories, one is a pressure bottle, such as a bottle filled with carbonated carbonated beverages; the other is a pressureless bottle, such as a bottle filled with water, tea, edible oil, and the like. The tea beverage bottle is a modified PET bottle blended with polyethylene naphthalate (PEN) or a composite bottle of PET and thermoplastic polyarylate. It is classified into a heat bottle and can be heat resistant to 85 ° C or higher; Cold bottles do not require heat resistance. The hot bottle is similar to the cold bottle in the forming process. The author mainly discusses the molding process of pressurized beverage bottles in cold bottles.

With the continuous advancement of technology and the scale of production, PET bottle blowing machines are becoming more and more automated, and production efficiency is getting higher and higher. Equipment production capacity continues to increase, from the previous production of thousands of bottles per hour to the current production of tens of thousands of bottles per hour. The operation has also evolved from the past manual button type to the current full computer control, which greatly reduces the difficulty of the process operation and increases the stability of the process.

Jilian mold has a professional and reliable China Pet Bottle production technology, can provide you with a variety of high-quality pet products and comprehensive services, so if you need, please contact us.

The Trend Of Lightweight China Pet Bottle

For many years, Jilian Plastics has made considerable efforts in the design and development of pet preforms to make Pet Preform lighter as much as possible without affecting their performance and processability.

Over time, the task of pet preform development is more challenging: we are doing everything we can to achieve the goal of reducing weight.

The injection compression technology of Jilian mold is the last important step to make the bottom, bottle and shoulder of PET preforms thinner – thus perfecting the bottleneck.

The bottleneck is the thickest part of the bottle wall, so on the surface, it is very potential to reduce the bottle weight. However, after in-depth research, it was discovered that the reality is not so simple. Designing a lightweight bottleneck requires a detailed study of the path of the product throughout the process chain. Designing a lighter bottleneck requires a mold that involves pet preforms and a complete solution without damage handling, filling and sealing.

The entire Chinese pet bottle industry has seen the demand for lightweight products. Jilian Plastic has many years of experience in the production of China Pet Bottle. Choose us to bring you satisfactory service and high quality and reliable products.

China Pet Bottle To Small Package Development

In recent years, Pet Preform have been increasingly used in the field of liquid food packaging. PET preforms have the characteristics of large capacity, firmness, lightness, portability, refrigerating and recyclability, which expands their application in the field of liquid food packaging. Taking the beverage industry as an example, according to incomplete statistics, the annual global consumption of plastic containers for beverage bottles is more than 10 million tons, and its production and sales are growing at a rate of 10% to 19% per year.

In the dairy industry, acid milk beverages have maintained a high growth rate of more than 30% in the Chinese dairy market for three consecutive years, becoming a category with great development potential in the dairy industry. PET preform packaging is the fastest growing packaging type of container for acidic milk beverages, and its development rate even exceeds the growth rate of the product. The core consumer group of small-package PET preforms under 220ml is children.

After more than ten years of development, the market foundation of small-package PET preform acidic milk beverages is solid and stable, and it is developing rapidly. PET preforms have become the leading packaging form for children’s acidic milk beverages with a market share of 94%. Large-packaged acidic milk beverages larger than 350ml are new products appearing on the market in the past two years, and their market share has increased rapidly. The target customer base is young women aged 18-25. After several years of development, the range of consumers of large-packaged acidic milk beverages has been expanding, and PET preforms have become the dominant packaging form for large-packaged milk beverages.

Jilian Plastics saw the development trend of the modern China Pet Bottle industry. We have continuously introduced pet packaging bottles in small packages, which have been favored and loved by our customers.

Jilian Mold China Pet Bottle Experienced

the chances of seeing pet preforms in life are still quite large. Below, the preform manufacturers will lead you to understand the pet preforms. Pet preforms are typical injection molding products, easy to transport, mostly PET material, uniform texture, good insulation, is the intermediate product of PET bottles, oil barrels. In general, pet preform injection needs to pay attention to the following aspects:

Note 1: Injection speed

Generally, the injection speed is fast, which prevents premature coagulation during injection. But too fast, the high shear rate makes the material brittle. The shot is usually completed in 4 seconds.

Note 2: PET treatment

Since the PET macromolecule contains a lipid group and has a certain hydrophilicity, the pellet is sensitive to water at a high temperature. When the moisture content exceeds the limit, the molecular weight of the PET decreases during processing, and the product is colored and brittle. In this case, the material must be dried before processing, and the drying temperature is 150 ° C, more than 4 hours, generally 170 ° C, 3-4 hours. Airborne methods can be used to verify that the material is completely dry. The proportion of recycled materials should not exceed 25%, and the recycled materials should be thoroughly dried.

Note 3: Staying time

Do not use excessive residence times to prevent molecular weight degradation. Try to avoid temperatures above 300 °C. If the shutdown is less than 15 minutes. Only need to be air-blasted; if it is more than 15 minutes, clean it with viscosity PE and reduce the temperature of the barrel to PE temperature until it is turned on again.

Note 4: Injection molding machine selection

Since PET has a stable time after melting point and a high melting point, it is necessary to use an injection system with more temperature control sections and less self-friction heat during plasticization, and the actual weight of the product (aqueous mouth material) cannot be less than the machine injection. 2/3 of the amount.

Nowadays, there are many pet product suppliers in the market. You may wish to choose Jilian Plastic Mould. We are a China Pet Bottle manufacturer with rich experience in the market. With many years of experience in the market, we can provide you with products and products. service.