+91-79-40303022

info@varahichemicals.com

Optical Whitening Agents for Textiles
We are manufacturer of OBA for Textiles
Optical Whitening Agents for Textiles
We are manufacturer of OBA for Textiles
Optical Whitening Agents for Textiles
We are manufacturer of OBA for Textiles
Optical Whitening Agents for Papers
We are manufacturer of OBA for Paper
Previous
Next

Viophor BAC Liquid

liquid

VIOPHOR BAC-L

 

Chemical Sturcture : Benzimidazol derivative

 

Properties:

 

  • Appearance : Slight brown liquid
  • Lonicity : Cation
  • PH : Approx. 4~6
  • Dilution : Dilute easily in all proportions with water
  • Stability to Hard water : Good
  • Acids : Very Good
  • Alkalis : Not Stable
  • Chlorite : Very Good
  • Hypochlorite : Very Good
  • Hydrosulphite : Very Good
  • Shade : Neutral to Bluish.

 

Application:

It’s suitable for Optical Brightening Agent for acrylic fabrics and di-acetate fibre. It’s for exhaustion and padding,less dosage can get excellent whiteness, the quality is counter of Uvitex BAC-L (Huntsman).

 

Process Method:

1. Acrylic fabrics on normal process:

Dosage: VIOPHOR BAC-L 0.2-2.0% o.w.f; Formic acid or acid oxalic adjusted PH=3.0-4.0; Temperature: 95-98°C; Time: 30-45min; Bath ratio: 1:10-40

 

2. Acrylic fabrics on hypochlorite process:

Dosage: VIOPHOR BAC-L 0.2-2.0% o.w.f; NAN03:1 -3 g/l; Formic acid or acid oxalic adjusted PH=3.0-4.0; NaCL02: 1-2 g/l; Temperature: 95-980; Time: 30-45 min; Bath ratio: 1:10-40

 

3. Acrylic & wool blends process:

A. Peroxide bleaching: Dosage: H202(35%): 10-20 ml/l; Sodium phosate: 1 -2 g/I.Ciba Ultravon CN 1 -2 g/l adjusted PH=8-9; Temperature: 50-550; Time: 2-3 hours; Bath ratio: 1:10-40

B. Acrylic brightening:Dosage: VIOPHOR BAC-L: 0.5-2.0% o.w.f; Formic acid or acid oxalic adjusted PH=3.0-4.0; Temperature: 95-980; Time: 30 min; Bath ratio: 1:10-40 Detailed process is according to customer’s request.

 

Storage & Packing:

Sealed in storage, keeping date is 12 months under room temperature. 30kg /25kg plastic drum or as per customer’s request.

Other Products