Optical brightener FP 127
ADDYOBT  FP127

Optical brightener FP 127 has a strong acid and alkali resistance. It is unsoluble in water,soluble in common organic solvents.The product of a variety of plastic products all have good whitening effect,polyvinyl chloride,polypropylene and other plastic products,whitening effect is more outstanding.Mainly leather,leather products,whitening and brightening effect is particularly good.

Optical brightener OB-1
ADDYOBT  OB-1

Optical brightener OB-1 is a excellent diphenylethylene bisbenzoxazole type compound.It is unsoluble in water and has stable capablity,and it also has good resistance to heat,sunlight,chlorine bleaching and migration.It owns especially high temperature tolrence,suitable for shaping various kinds of plastics and their products under high temperature.

Optical brightener OB
ADDYOBT  OB

OB is a benzoxazole optical brightener. It is recommended to use in most coating and plastic application to enhance whiteness.