When the color changing pigment is used in plastic injection molding, it needs to be injected through high temperature and molded in all kinds of 190℃-300℃ plastics. The phosphor pigment used in such high temperature is required to be highly light-resistant, even if the high temperature does not affect the quality and the use of the effect. High-temperature phosphor pigment can withstand the high temperature of the main plastic injection molding, it has good thermal stability and light resistance, processing temperature range of 180 ℃ -300 ℃ between. Moreover, it has high vividness, strong coloring power, high concentration and small addition amount, which are all advantages that ordinary phosphor pigment can not reach.
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