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EVA包生产的主要工艺介绍
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1. The composition of the fabric - made by bonding the fabric, EVA, and lining


The fabric selection is diverse, including Oxford cloth, PU, hibiscus leather, etc. The base material can be velvet, Jiaji cloth, etc. EVA types can also be subdivided by their thickness and hardness, with commonly used thicknesses of 5MM, 6MM, and 7MM. The higher the thickness, the harder the product produced;




2. Main process - hot pressing forming




After the fabric is bonded, it is cut. After further heating at 40-70 degrees, put it into a hot press and the shape will immediately come out. Of course, the corresponding molds need to be prepared before this. The heating temperature is also very specific, so I won't go into too much detail about it;




3. Printing process




There are also many types of printing supported, such as general printing, silk screen printing, heat transfer printing, rust print, etc. In addition, there are also gravure and convex printing. This special process is engraved on the mold, and the effect is achieved together during molding.




What are the production methods and manufacturing processes of EVA, and what are the commonly used raw materials?


EVA (ethylene vinyl acetate copolymer) is an important raw material widely used in the field of chemical production. Due to its excellent chemical corrosion resistance, weather resistance, electrical insulation, processing performance, and flexibility, it is widely used in foam materials, wires and cables, packaging materials, solar cells, and other fields. This article will provide a detailed introduction to the manufacturing method of EVA.


Published:Dec.28.2023  Viewed:132

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