Dosage and effect of fluorescent whitening 70 (C.I.70)

C.I. C.I.Fluorescent brightener70 foreign commodity names and manufacturers: Ranipal PCRC, PCRP, PCRS (IDI), Tinopal PCR, PCRC (CIBA).
 
Color: blue.
 
Physical and chemical properties: Tinopal PCRC, a fluorescent whitening agent, has a pale yellow appearance. Solubility (g/100g solvent) : ethanol 2.6, benzene 23.5, acetone 12.5, dioctyl phthalate
 
8.1 trimethylphenyl phosphate 10.8, dioctyl sebacate 5.6.
 
Usage: this product can be used for whitening and brightening polyvinyl chloride, polyethylene, polystyrene and other plastics. Excellent heat resistance.
 
Dosage: the general dosage in PVC soft or hard transparent products is 0.02 ~
 
0.05, in white or colored plastic products is 0.05~0.5 (up to 1/5 of titanium dioxide). In coloring plastic can improve the blue, purple, light red pigment of color.
 
Application performance: good light fastness.

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