... C30H26O2PropertyLight yellow crystal powder. It's a kind of fluorescence brightening agent with high purity, which is insoluble in ... ≤0.5% Main applicationGood whiten effects for variety plastic products, excellent whiten effects for PVC, PE, outstanding whiten and ... leather products, as well as other plastics with hot plasticity, such as PMMA, fibrin carbonate, etc. Showing blueish fluorescence in ...