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PC material injection molded parts baked silver (BF) and the surface is white

before moldingAre the pc injection molding shapes the same?, PC needs to preheat the metal insert to around 200℃Are the pc injection molding shapes the same?, to reduce product cracking caused by differences in expansion coefficients. For thick-walled productsAre the pc injection molding shapes the same?Mold temperature control is particularly important. Properly increasing the mold temperature can reduce internal stress and surface defects. During the forming process, the use of mold release agents should be avoided as much as possible to avoid affecting the transparency of the product. The transparency and impact resistance of PC make it widely used in many fields, such as automobiles, electronics, door and window glass, protective equipment, medical equipment, etc.

There may be many reasons why plastic silver paints turn white, including excessive moisture, aging, light exposure, temperature changes, inappropriate humidity, chemical reactions, etc. Solutions include reducing moisture, using suitable primers, and adding desiccants. The specific reasons and solutions are as followsAre the pc injection molding shapes the same?: Excessive moistureAre the pc injection molding shapes the same?: During the painting process, if the environmental humidity is too high, it may cause the water in the paint to fail to volatilize in time, resulting in white after drying.

May I ask you,"What is the matter with the appearance of white powder added in injection molding?" The reasons for this are as follows: When the plastic particles enter the mold, the flow rate is too fast, which will cause melting. At the same time, because the temperature in the mold cavity is too high, traces will appear on the surface of the mold, which looks like it is white.

Depression: The surface of the injection molded part is uneven and smooth, and shallow pits or pits occur inward. 1 Cold material (cold glue): Plastic with different color, properties and body formed by cold glue on the surface of injection molded parts. 1 Top white/top height: The surface of the injection molded part is obviously white or higher than the original plane. 1 White spots: There are white grains in the injection molded parts, which are also called "fish eyes" and are mostly reflected on transparent products.

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