Highly-concentrated formaldehyde-free Nylon Fixing Agent, particularly developed for one-bath fixing treatment of polyamide fabrics. It is a formulation of water soluble polymers, totally different from conventional tannin-base fixing agent.
Specification Appearance dark brown jelly liquid Ionicity weak anionic PH value 2-4 Solubility easily soluble in water Poperties high performance to improve washing fastness and perspiration fastness. it gives neither dye-peeling nor fixing spots on the fabrics during treatment. no influence to brilliance and color shade, no loss to hand feel. used in one-bath soaping/fixing treatment for nylon fabrics after printing, not only to avoid back-staining, but also to improve wet fastness. Application Used for fixing treatment after dyeing & printing of acid dyes on nylon, wool and silk. How to use Immersion: nylon fixing agent 1-3% (o.w.f.) PH value 4 temperature and time 70℃, 20-30 minutes. Dip padding: nylon fixing agent 10-50 g/L PH value 4 pick-up 60-80% One-bath soaping/fixing treatment： nylon fixing agent NH 2-5 g/L PH value 4 temperature and time 40-60℃, 20 minutes Remark: nylon fixing agent should not be used together with cationic auxiliary, the most correct dosage should be decided upon dyes, dyeing depth, color shade, and local processing condition. Packing In 50kg or 125kg plastic drums. Storage In cool and dry condition, storage period is within 6 months.