Author：Baby & Adult Diaper Materials FROM：Diaper Materials Manufacturer TIME：2023-03-07
Poly film in the field of disposable hygiene products is generally used to prevent liquid leakage. It is mainly made of special polyethylene (PE) plastic film as the base material, which plays a key role in making the Poly film waterproof and breathable. Based on this, this paper makes a brief introduction to PE cast film.
PE cast film is a kind of controllable stretch and controllable orientation flat extrusion film produced by raw materials such as polyethylene (LDPE, LLDPE, HDPE), breathable resin, color masterbatch and other raw materials through melt casting and quenching. The production speed is fast, the output is high, and the moisture permeability, transparency, gloss, softness, thickness uniformity, etc. of the film are extremely excellent. At the same time, because it is the subsequent process of flat extrusion film, such as embossing, printing, compounding, etc. are extremely convenient Therefore, it is widely used in daily necessities, medical supplies and other fields.
The main raw material for the production of polyethylene cast film is polyethylene granules, which account for about 70% of the product cost. It is affected by the price fluctuation of chemical raw materials, and due to the fierce competition in the industry, individual consumers have many alternative products to choose from. The recognition and loyalty of high-quality and high-priced products are not high enough, which makes it difficult to completely transfer the risk of rising raw material prices to downstream companies, especially well-known companies, resulting in a significant reduction in the profit margins of sanitary material suppliers. At present, China's polyethylene (PE) production capacity is mainly concentrated in large state-owned enterprises such as PetroChina and Sinopec. The production enterprises include Zhejiang Petrochemical, Hengli Petrochemical, Zhongke Refinery, Wanhua and so on.
At present, the best-selling domestic disposable hygiene products brands in the market, such as Hengan Group's "Seven Degrees Space" and "An'erle" series of sanitary napkins, and Chongqing Baiya's "Free Point" series of sanitary napkins, these well-known products all use PE cast film is used as Poly film. Understanding the relevant knowledge of PE cast film will help people to better buy and use disposable hygiene products.
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