... WB/PU/NC/UV coating, baking finish system. Hongsheng Silica additiv Chemical, Paint Additive,coating additive Characteristics of SA series ... NC system: recommend TSA220,TSA230,TSA250,TSA250LApplication to UV system: recommend TSA250,TSA250L,TSA260,TSA260L,especially TSA260 ... ,TSA260L have stronger effect in UV systemApplication to WB waterborne system: recommend TSA220,STA230 ...