Taiwan Dyestuffs & Pigments Corp.

Discover excellence with Taiwan Dyestuffs & Pigments Corp - a premier manufacturer of top-quality dyestuffs, pigments, and auxiliaries. Headquartered in Taiwan, with manufacturing plants in Taiwan, China, and Thailand, we uphold the highest standards of quality through rigorous ISO-certified practices since 1996. Join our global success story and elevate your business with our renowned products. Explore the world of superior color solutions - choose Taiwan Dyestuffs & Pigments Corp.

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