Why polyethylene is the dominant rotomolding material

Why polyethylene is the dominant rotomolding material

Polyethylene entered the era of industrial applications as early as the 1930s and should have been used in the rotomolding industry since the 1950s. However, it was not until the German company Parmen developed a highly efficient grinding machine, yes polyethylene, which can be processed into a powder at room temperature, that the use of polyethylene in the rotomolding industry gradually increased, replacing PVC as the dominant rotomolding material.

Polyethylene can become the main raw material of rotational molding, because it is the most consistent with all materials in the rotational molding process of plastic varieties, has many unique advantages: easy to low-sink local grinding into powder, thermal conductivity is the highest plastic varieties can be used for rotational molding, its processing performance is excellent, after the melting furnace has good mobility, in the high temperature and good thermal stability, decomposition temperature is higher, but also because polyethylene itself is the main universal plastic varieties, production, wide source, easy to obtain, a cheap, wide range of applications.

According to statistics, in the rotational plastic industry, polyethylene raw materials in the total proportion of all rotational plastic raw materials, in addition to China periphery about 85%, in China up to more than 90%. Currently, the main types of PVC can be used as raw materials for rotational molding, including LLDPE, LDPE, HDPE, XLPE, MPE, and EVA.


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Lisa Liu
Lisa Liu

Hello, I'm Lisa, the author of this article and the general manager of Colorfuldeco. I have been engaged in LED furniture foreign trade sales for more than 15 years, and I am very familiar with LED furniture products and the market. I like to share my knowledge of LED furniture to our company's website, hope this article can help you.

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