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What Is Biaxially Oriented Polypropylene Overwrap Film?
Biaxially oriented polypropylene (BOPP) film is a type of flexible packaging film. Biaxially oriented polypropylene overwrap film is stretched in machine and transverse directions. This results in a molecular chain orientation in both directions. This type of flexible packaging film is created via a tubular production process. A tube-shaped film bubble is inflated and heated to its softening point (this is different from the melting point) and is stretched with machinery. The film stretches between 300% – 400%. Alternatively, the film can also be stretched by a process known as tenter-frame film manufacturing. With this technique, the polymers are extruded onto a cooled cast roll (also known as a base sheet) and drawn along the machine direction. Tenter-frame film manufacturing us... -
The export volume increased significantly from January to February 2023.
According to customs data statistics: from January to February 2023, the domestic PE export volume is 112,400 tons, including 36,400 tons of HDPE, 56,900 tons of LDPE, and 19,100 tons of LLDPE. From January to February, the domestic PE export volume increased by 59,500 tons compared with the same period in 2022, an increase of 112.48%. From the above chart, we can see that the export volume from January to February has increased significantly compared with the same period in 2022. In terms of months, the export volume in January 2023 increased by 16,600 tons compared with the same period last year, and the export volume in February increased by 40,900 tons compared with the same period last year; in terms of varieties, the export volume of LDPE (January-February) was 36,400 tons , a ye... -
The main applications of PVC .
1. PVC profiles PVC Profiles and profiles are the largest areas of PVC consumption in China, accounting for about 25% of the total PVC consumption. They are mainly used to make doors and windows and energy-saving materials, and their application volume is still increasing significantly nationwide. In developed countries, the market share of plastic doors and windows also ranks first, such as 50% in Germany, 56% in France, and 45% in the United States. 2. PVC pipe Among the many PVC products, PVC pipes are the second largest consumption field, accounting for about 20% of its consumption. In China, PVC pipes are developed earlier than PE pipes and PP pipes, with many varieties, excellent performance and wide application range, occupying an important position in the market. 3. PVC film... -
Types of polypropylene .
Polypropylene molecules contain methyl groups, which can be divided into isotactic polypropylene, atactic polypropylene and syndiotactic polypropylene according to the arrangement of methyl groups. When the methyl groups are arranged on the same side of the main chain, it is called isotactic polypropylene; if the methyl groups are randomly distributed on both sides of the main chain, it is called atactic polypropylene; when the methyl groups are arranged alternately on both sides of the main chain, it is called syndiotactic. polypropylene. In the general production of polypropylene resin, the content of isotactic structure (called isotacticity) is about 95%, and the rest is atactic or syndiotactic polypropylene. The polypropylene resin currently produced in China is classified according... -
The use of paste pvc resin.
It is estimated that in 2000, the total consumption of the global PVC paste resin market was about 1.66 million t/a. In China, PVC paste resin mainly has the following applications: Artificial leather industry: the overall market supply and demand balance. However, affected by the development of PU leather, the demand for artificial leather in Wenzhou and other major paste resin consumption places is subject to certain restrictions. The competition between PU leather and artificial leather is fierce. Floor leather industry: Affected by the shrinking demand for floor leather, the demand for paste resin in this industry has been declining year by year in recent years. Glove material industry: the demand is relatively large, mainly imported, which belongs to the processing of supplied mate... -
The 800,000-ton full-density polyethylene plant was successfully started up in one feeding!
Guangdong Petrochemical’s 800,000-ton/year full-density polyethylene plant is PetroChina’s first full-density polyethylene plant with “one head and two tails” double-line arrangement, and it is also the second full-density polyethylene plant with the largest production capacity in China. The device adopts UNIPOL process and single-reactor gas-phase fluidized bed process. It uses ethylene as the main raw material and can produce 15 kinds of LLDPE and HDPE polyethylene materials. Among them, the full-density polyethylene resin particles are made of polyethylene powder mixed with different types of additives, heated at a high temperature to reach a molten state, and under the action of a twin-screw extruder and a molten gear pump, they pass through a template and ar... -
Chemdo plans to participate in exhibitions this year.
Chemdo plans to participate in domestic and foreign exhibitions this year. On February 16, two product managers were invited to attend a course organized by Made in China. The theme of the course is a new way of combining offline promotion and online promotion of foreign trade enterprises. The course content involves the preparation work before the exhibition, the key points of negotiation during the exhibition and the customer follow-up after the exhibition. We hope that the two managers will gain a lot and promote the smooth progress of the follow-up exhibition work. -
Introduction about Zhongtai PVC Resin .
Now let me introduce more about China’s biggest PVC brand: Zhongtai. Its full name is : Xinjiang Zhongtai Chemical Co. , Ltd, which is located in Xinjiang Province of western China. It is 4 hours distance by airplane from Shanghai.Xinjiang is also the biggest province in China in terms of territory. This area is abundant with nature sources like Salt,Coal,Oil,and Gas. Zhongtai Chemical was established in 2001,and went to the stock market in 2006. Now it owns around 22 thousand employees with more than 43 subsidiary companies. With more than 20 years’ high speed development, this giant manufacturer has formed following products series: 2 million tons capacity pvc resin, 1.5 million tons caustic soda,700,000 tons viscose, 2. 8 million tons calcium carbide. If you want to tal... -
How to avoid being cheated when buying Chinese products especially PVC products .
We have to admit that the international business is full of risks, filled in much more challenges when a buyer is choosing his supplier. We also admit that the fraud cases actually happen everywhere including in China. I have been an international salesman for nearly 13 years, meeting lots of complaints from various customers who were cheated one time or several times by Chinese supplier, the cheating ways is quite “funny”, such as getting money without shipping, or delivering low quality product or even delivering quite different product. As a supplier myself, I totally understand how the feeling is if somebody has lost huge payment especially when his business just starts or he is a green entrepreneur, the lost must be huge striking to him, and we have to admit that to get... -
The use of caustic soda involves many fields.
Caustic soda can be divided into flake soda, granular soda and solid soda according to its form. The use of caustic soda involves many fields, the following is a detailed introduction for you: 1. Refined petroleum. After being washed with sulfuric acid, petroleum products still contain some acidic substances, which must be washed with sodium hydroxide solution and then washed with water to obtain refined products. 2.printing and dyeing Mainly used in indigo dyes and quinone dyes. In the dyeing process of vat dyes, caustic soda solution and sodium hydrosulfite should be used to reduce them to leuco acid, and then oxidized to the original insoluble state with oxidants after dyeing. After the cotton fabric is treated with caustic soda solution, the wax, grease, starch and other substances ... -
Global PVC demand recovery depends on China.
Entering 2023, due to sluggish demand in various regions, the global polyvinyl chloride (PVC) market still faces uncertainties. During most of 2022, PVC prices in Asia and the United States showed a sharp decline and bottomed out before entering 2023. Entering 2023, among various regions, after China adjusted its epidemic prevention and control policies, the market expects to respond; the United States may further raise interest rates in order to combat inflation and curb domestic PVC demand in the United States. Asia, led by China, and the United States have expanded PVC exports amid weak global demand. As for Europe, the region will still face the problem of high energy prices and inflation recession, and there will probably not be a sustainable recovery in industry profit margins. ... -
What is the impact of a strong earthquake in Turkey on polyethylene?
Turkey is a country straddling Asia and Europe. It is rich in mineral resources, gold, coal and other resources, but lacks oil and natural gas resources. At 18:24 on February 6, Beijing time (13:24 on February 6, local time), a magnitude 7.8 earthquake occurred in Turkey, with a focal depth of 20 kilometers and an epicenter at 38.00 degrees north latitude and 37.15 degrees east longitude. The epicenter was located in southern Turkey, close to the border of Syria. The main ports in the epicenter and the surrounding area were Ceyhan (Ceyhan), Isdemir (Isdemir), and Yumurtalik (Yumurtalik). Turkey and China have a long-standing plastic trade relationship. my country’s import of Turkish polyethylene is relatively small and is decreasing year by year, but the export volume is gradually...