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Acrylic Products Injection Molding Technology
May 28, 2018

Acrylic also has a recycled material called recycled board, which uses recycled acrylic material to get recycled MMA (methyl methacrylate) monomer after being degraded by thermal polymerization. After a rigorous process, pure MMA monomer can be regained. There is no difference in quality with the newly synthesized monomer. However, the degraded monomers produced are not of high purity. After the sheet is formed, its quality and performance are poor.

 

Summary: Extrusion plates use granular raw materials and are extruded at high temperatures before being extruded. The casting plate is directly molded with MMA monomer (liquid). Although the extrusion plate is relatively smooth in shape, it is formed when the pellets are formed. To complete the polymerization. In the processing into a plate, its structure and performance are weak, and it is not suitable as a material for outdoor identification products, and is only suitable for indoor products such as crystal characters or product supports.

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In addition, because most of the extruded plates do not have UV protection, their outdoor use life is not the same as the casting plate. The color will gradually fade and it will easily become brittle until it breaks. Casting board is to complete structural polymerization in the process of sheet metal processing, adding UV absorbers during the process, with high strength and UV function, outdoor life of up to 5 years or even 10 years, during use, the color has been bright as new.

 


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