Gold Member Since 2014
Audited Supplier
Shanghai Deborn Co., Ltd.

Optical Brightener, Optical Brightener Dbl, Hydrazine Sulfonate manufacturer / supplier in China, offering Optical Brightener Dbl, P-Carboxybenzaldehyde, 2, 2, 4-Trimethyl-1, 3-Pentanediol 1-Monoisobutyrate and so on.

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Optical Brightener Dbl

FOB Price: Get Latest Price
Min. Order: 25 Kg
Payment Terms: L/C, T/T, D/P
Basic Info
  • Kind: Optical Brightener
  • Application: Post-Processing Auxiliary
  • Ionicity: Anion
  • Appearance: Liquid
  • Color: Yellow
  • Dyeing Shade: Neutral
Product Description
Hydrazine sulfonate derivatives
Appearance Yellow liquid    
Dyeing shade    Neutral
It's suitable for Optical Brightening Agent for nylon and cotton. Its high light fastness is around 5 grades. It's for exhaustion and padding process.

1. Exhaustion process for nylon:
A. Na2SO4 bath:
Dosage: DBL 0.5-1.5% o.w.f; Detergent: 0.5-1.0 g/l;
Na2SO4:2-3g/l; Acetic acid adjusted PH=4-6; Temperature: 80-130ºC;
B. Sodium Chorite bath:
Dosage: DBL 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: 90ºC; Time:30-40min;
2. Padding process for nylon:
Dosage: DBL 8-30 g/l;Levelling agent: 1-2 g/l; Fixing agent:
5-10 g/l;Temperature: 20-60ºC; Dip&squeeze: pick up 80-100%,
baking under 105ºC.
3. Dyething method for cotton:
Dosage: H2O2 50% or 35% g/l, stabilizer 1g/l, NAOH 98% 0.6g/l,
Bath rate: 20.
Detailed process is according to customer's request.
Sealed in storage, keeping date is 12 months under room temperature.
25kg plastic drums or as per customer's request.
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