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Topwhite LCL liquid, OBA 191 Liquid

2022/2/17
Topwhite LCL liquid, OBA 191 Liquid

Chemical structure: Hydrazine sulfonate derivatives

Physical properties:
Appearance: Yellow liquid
Ionicity: Anion
Shade: Neutral

Application:
Topwhite LCL is suitable for nylon and its belnds with high light fastness at grade 5. It is for exhaustion and padding process.
The quality is counter of CLE liq.

Process:
1. By Exhaustion process for nylon:

A. Na2SO4 bath:
Dosage:
Topwhite LCL: 0.5-1.5% o.w.f
Detergent: 0.5-1.0 g/l
Na2SO4: 2-3g/l
Acetic acid adjusted Ph to 4~6
Temperature: 80 to 130 deg.C
Time:20 to 30min

B. Sodium Chlorite bath:
Dosage:
Topwhite LCL: 0.5-1.5% o.w.f
Detergent: 0.5-1.0 g/l
NaNO3: 2-3 g/l
Sodium chlorite: 3-8g/l
Complexing agent: 0.5-1.0g/l
Temperature: 90 deg. C
Time:30 to 40min

For more details, please contact us tdpctw@gmail.com

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