Acid Fixing agent NBS-L
NBS-L is one kind of fixer based high polymer aromatic acid condensate sodium salt, suitable for fixing process after acid dyes of polyamide, wool, real silk
Properties
●Can improve durable fastness, rubber fastness and color fastness for perspiration of dyeing fabric
●Less color drop and color change after fixing process
●Excellent anti staining function for white printed fabric fixing process
●Can directly fixing for the deep color fabric without discharge
●APEO and formaldehyde free
Base charter
Appearance：slightly to brownish liquid
Ion state：anion
PH ：8.5-9.5
Solubility：easy dissolve with cold water
Application Fixing function for reactive dyes, direct dyes and printed fabric
Dosage
1.Medium – light color
NBS-L 2～3 %(owf)
Adjust working liquid PH to 4.5, L.R.: 1∶10～20，80’C x 20min, wash-dry
Medium- deep color
NBS-L 3～5 %(owf)
98% Hac 0.3-0.5g/l
Adjust working liquid PH to 4.5, L.R.: 1∶10～20，80’C x 20min, wash-dry
2. Printed fabric anti-staining washing & fixing process
L.R.: 1∶10～20，room temperature-50’C x 20min, wash
3. Fixing:
NBS-L 3～5 %(owf)
98% Hac 0.3-0.5g/l
Adjust working liquid PH to 4.5, L.R.: 1∶10～20，80’C x 20min, wash-dry
Packing 125kg plastic drum
Storage One year in cool warehouse
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