Chemical composition: Sodium salt of naphthalene sulfonate formaldehyde condensate
CAS：36290-04-7

Specification:

Application property
• This chemical is acid-resisting. alkali-resisting, heat-resisting and resistant to hard water and mineral salt.
• While using together with anion and non-ionic surfactants. it is of good diffusivity and colloid protecting property without penetration end foamability and other surfactants.
• It is mainly used in pigment pad dyeing of vat dyes, vat acid dyeing and dyeing of dispersive and soluble vat dyes. etc. It also can be used in dyeing of silk-wool fabrics to make silk without coloring.
• It can be used as dispersing aid, rubber emulsion stabilizer and leather auxiliary tanning agent during dispersion and lake manufacture.

Recommended dosage
• While being used as dispersant and filler of disperse and vat dyes, dosage shall be 0.5-3 times of vat dyes or 1.5-2 times of disperse dyes.
• In pigment pad dyeing of vat dyes, generally, 3-5g/L shall be added in pad dyeing bath and 15-20g/L shall be added in reduction bath.
• Generally, during dyeing with disperse dyes and high temperature high pressure dyeing with polyster, 0.5- I .5g/Lshall be added in dyeing bath.

Packlng&Storage
• 25 kg woven bag lined with plastic bag
• Storage in sealed, dark and dried condition, storage period is one year at normal temperature.