Product application 1, Fluorescent brightener KB (New) is a special model developed by Hongyi Chemical,it is specific for whitening big amount of recycled materials in PVC qusset plate.2, It is also suitable to whiten and brighten other plastic products which filled withcyan white shade calcium powder. Product features 1, With small addition but good whitening effect.2, Can neutralize the cyan white shade of calcium powder and the mottling color of recycled materials. 3, When applying to PVC gusset plate, the addition amount of KB new is only 70%of OB-1. but the whiteness increased by more than 20%
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