Common boards of acrylic

Jan 15, 2018

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Common boards are: transparent board, stained transparent board, white board, color board;


Special boards are: bathroom board, cloud board, mirror panels, folder cloth board, hollow board, punching board, flame retardant board, super wear-resistant board, surface pattern board, matte board, pearl board, metal effect board.


Different performance, different colors and visual effects to meet the ever-changing requirements.


1, Acrylic board According to the production process points cast and extruded plate, according to the degree of transparency can be divided into transparent plate, translucent plate (including transparent plate dyeing), color plates (including black and white and color plates); Impact board, anti-UV board, ordinary board and special boards such as high impact board, flame retardant board, matte board, metal effect board, high wear plate, light guide plate and so on.


A: Casting board: high molecular weight, excellent stiffness, strength and excellent chemical resistance. Which is more suitable for processing large size plaque, the relative softening time slightly longer. This sheet is characterized by low volume processing, unmatched flexibility in color system and surface texture effects, and complete product specifications for practical use in a variety of special applications.


B: Squeeze board: Compared with the cast plate, squeeze plate lower molecular weight, weaker mechanical properties, flexibility is relatively high. However, this feature facilitates the bending and thermoforming process, with a shorter softening time. In dealing with the larger size of the plate, is conducive to a variety of rapid vacuum forming. At the same time, the thickness tolerance of the extruded plate is smaller than the cast plate. As the extrusion plate is mass automated production, inconvenience of color and size adjustment, so the diversity of product specifications subject to certain restrictions.


2, there is a kind of acrylic back to the board is called recycled material is recycled acrylic scrap, after thermal degradation of renewable MMA (methyl methacrylate) monomer, and then by chemical polymerization derived. After a rigorous process, you can regain pure MMA monomer, with the new synthetic monomer, there is no difference in quality. However, the degradation monomer produced, purity is not high, sheet metal forming, its quality, performance is poor.


Summary: The extrusion plate is made of pelletized raw materials and is extruded after being dissolved at a high temperature. The cast plate is directly molded with MMA monomer (liquid state). Although the shape of the extruded plate is relatively smooth and smooth, To complete the polymerization. When processed into sheet metal, its structure and performance are weak and are not suitable as materials for outdoor marking products. It is only suitable for indoor products such as crystal characters or product supports.


In addition, the majority of the compression plate does not have anti-UV function, the life of its outdoor use and pouring plate can not be the same, the color will fade and easily embrittled, until the rupture. Casting plate in the plate processing process to complete the structure of polymerization, during which UV absorbers, with high intensity and UV function, outdoor life of up to 5 years or even 10 years, the use of color has been bright as new.


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