Printing & Textile Industry
It is a long history that sodium alginate is used as printing paste. It is a kind of excellent paste for printing, which is applicable for printing of cotton, feather, silk and compound fiber. It can't be replaced by any other material at present.
The largest characteristic is that it can't react with active coloring matter and can't produce covalent bond. It doesn't contain hydroxymethyl and only contain CHOH. Meanwhile, there is carhboxyl with strong negative electricity on its base ring. Therefore, it not only absorbs coloring matter, but also has exclusion that can make coloring matter move towards fiber from paste; Furthermore, it has good effect for printing that keeps good definition and equality and makes printing become clear, fresh and high color content; Meanwhile, it also makes printing have good feel and fastness.
Specification:
Industrial Level(SC/T3401-1985 of Agricultural Ministry)
Granularity: 30 mesh or conform to requirement of contract
Viscosity: According to clients' requirements
Moisture: ≤15%
pH: 6.0~7.5
Calcium Content: ≤0.3%
Insolubles in water: ≤0.6%