OPTICAL BRIGHTENER BAC / ACK LIQUID FOR ACRYLIC
Cationic, chlorite-resistant fluorescent brightener for brilliant white effects on acrylic fibres and their
blends with other fibres
· is suitable for exhaust and continuous application· exhibits good light and wet fastness properties.
1 Properties
Appearance: yellow brown liquid
Chemical character : cationic benzimidazol derivative
Density at 20°C : 1.1 ± 0.1 g/cm 3
pH (as is) at 20°: C 4-6
Storage stability : good; at temperatures below -5°C the product may crystallize
out; on heating it becomes a fully effective solution again