卖: uv absorber, uv 531, benzophenone, 1843-05-6, uv stabilizer, light stabilizer 2008年10月17日,9:24:42 Characteristics and uses :
UV absorbers UV-531 is a high performance and efficient Anti-aging agents, can absorb UV 240-340 nanometers, with light color, nontoxic, good compatibility, small.... | 
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