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| Product Name: |
HOT-Fluorescent whitening agentVBL/VBL-L(OBA85)
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| Supply Ability: |
1200 ton |
| Related proudcts |
vbl, optical brightener, |
| Specifications |
purity:98.0% |
| Price Term: |
FOB |
| Port of loading: |
Qingdao or Shanghai |
| Minimum Order |
500KG |
| Unit Price: |
USD15-20/KG |
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Product name
Optical brightener VBL
Chemical property
CAS No:12224-16-7
Molecular formula:C36H34N12O8S2NA2
Molecular weight:872.84
Specifications:
Appearance: light yellow powder
Fluorescent color: blue-green and micro-purple
Strength: equal to 100 of the standard
Whiteness: WCIE: -3
Fineness: 5%
Moisture content: 5%
Impurity content insoluble in water: 0.5%
Applications:
Mainly used to whiten and brighten white cellulose fabric, paper, light-colored cellulose fabrics,
dial dye printing etc.
Recommended use:
1.Dip-dye Whitening
The conditions of VBL¡¯S dip-dye whitening are similar to the direct dye.
For example: cotton cloth dip-dye Whitening
VBL 0.1-0.3% (fabric weight)
anhydrous sodium sulfate:0-20% (plant weight)
Processing conditions, bath ratio 1: 20-1: 40,PH 7-9,Temperature: 20 - 40 ℃,Time: 20-30 minutes
Drying condition: drying temperature is usually the 70 - 80 ℃
2.Pad dying Whitening
Pad dying fabric whitening usually needs refining bleaching, dechlorination, drying, speed is generally
30-40 m / min or so, two Baptist 2 rolling, rolling liquid rate: 70-100%, temperature: 40 -50 ℃,
PH = 7-9
For example: cotton cloth whitening:
VBL 0.5-3 g / l,Opened powder 0.25-0.5 g / l,
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| Company: |
Jinan Subang Fine Chemical Co.,Ltd
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| Contact: |
Ms. Yanru Chen |
| Address: |
No.399 Hualong Road |
| Postcode: |
250100 |
| Tel: |
86-0531-81901282 |
| Fax: |
86-0531-81901283 |
| E-mail: |
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