HF Blister packing machine.Complete List of Production Materials for PP Packaging Belt of Embossing Machine

　　The production raw materials for the PP packaging belt of the embossing machine are very important. They are closely related to the quality of the embossing machine PP packaging belt produced by the embossing machine PP packaging belt production equipment, as well as the cost and profit. Therefore, many customers are asking what raw materials are used for the production of the embossing machine PP packaging belt, and which raw materials are used for the production of which packaging belts. Below, the editor will answer your questions.

　　1. New PP material

　　New PP material

　　New PP material

　　Polypropylene is a non-toxic, odorless, and tasteless milky white high crystalline polymer with a density of only 0 90- "0.91g/cm3, is currently one of the lightest varieties of plastics. It is particularly stable to water and has a water absorption rate of only 0 01%, with a molecular weight of approximately 80000 to 150000. Good formability, but due to the large shrinkage rate (ranging from 1% to 2.5%), thick walled products are prone to dents, making it difficult to meet the requirements for some parts with high dimensional accuracy. The surface gloss of the products is good.

　　Polypropylene has good heat resistance, and products can be disinfected and sterilized at temperatures above 100 ℃. It does not deform at 150 ℃ without external force. The embrittlement temperature is -35 ℃, and embrittlement occurs below -35 ℃, with lower cold resistance than polyethylene. The reported values for the glass transition temperature of polypropylene include 18qC, 0qC, 5 ℃, etc. This is also due to the different proportions of crystalline and amorphous phases used in different samples, resulting in different chain lengths of amorphous parts in the molecular chain. The melting temperature of polypropylene is about 40-50% higher than that of polyethylene, ranging from 164-170 ℃, and the melting point of 100% isotactic polypropylene is 176 ℃.

　　2. Transparent PP (polypropylene) recycled material

　　Transparent PP (polypropylene) recycled material

　　Transparent PP (polypropylene) recycled material

　　Transparent PP recycled materials are generally produced by recycling waste PP plastics such as transparent films through plastic.

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