OPTICAL BRIGHTENERS FOR COTTON
They are especially used for whitening of cellulose type fabric.The process temperature is 50-60°C.
Neutral and blue shading optical brighteners are used to obtain whitened fabric according to customers needed.
Optik CO
Optik CO EX
Optik CO Conc
Optik BA %267

OPTICAL BRIGHTENERS FOR POLYESTER
They are especially used for whitening of polyester fabric. They are applied at 130°C and acidic pH like 4.5-5
Optik Ultra PES