The influencing factors of plastic products fade
Factors affecting plastic products fade
and practice according to the data prove that there are many factors influencing the plastic products of fade, plastic belt color fading and pigments, light fastness of dye, the oxygen resistance, heat resistance, acid-proof alkaline, and the properties of resin used.
light fastness of the colorant directly affect the products fade, the glare of outdoor products, light (of the colorant used Fast) Level requirement is an important index, light level is poor, products in use will soon fade.
heat resistant paint refers to the thermal stability of the pigment at processing temperatures heat, color change, the degree of fade. Inorganic pigment ingredients for metal oxides and salts, good thermal stability, high heat resistance. While organic compound paint under a certain temperature will occur the change of the molecular structure and a small amount of decomposition. Actually we need in the production process, if it is need high temperature heating plastic products, you need to choose more heat resistant properties of pigment, to ensure that the color change color, fade, ensure the overall appearance of the product.
the oxidation resistance of some organic pigments in the degradation of macromolecules in the aftermath of the oxidation or other changes, and gradually fade, the process is a process of high temperature oxidation, the second is in strong oxidizer ( Such as chromium Huang Zhong chromic acid group) The oxidation. Lake, after using azo pigment mixed with chrome yellow, red will gradually subside.
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●Design team: cosmetics packaging design
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You'll understand after reading this article!
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