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Optical brightener VBL
Optical brightener VBL
| Code: | ||
| Molecular formula: | C36H34N12O8S2NA2 | |
| Molecular weight: | 872.84 | |
| Molecular Structure: | ||
| CAS#: | 12224-16-7 | |
| EINECS#: | NO | |
| Specifications: |
1.Main Ingredients:stilbene derivates
2.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%
inpurity content insoluble in water 0.5%
3.Usage
whiten and brighten fibrin products
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 - 40Deg,Time: 20-30 minutes
Drying condition: drying temperature is usually the 70 - 80 Deg
2.Pad dying Whitening
Pad dying fabric whitening usually needs refining bleaching, dechlorination,
drying, speed is generally
rolling liquid rate: 70-100%, temperature: 40 -50 Deg, PH = 7-9
For example: cotton cloth whitening
VBL 0.5-3 g / l,Opened powder 0.25-0.5 g / l,Use:
VBL is mainly used to whiten and brighten white cellulose fabric, paper,
light-colored cellulose fabrics, dial dye printing etc..
4.Package
packed in 25kg cardboard inside double-layer plastic | |
Quality:
Our company is a professional production of plastic raw material for many years, our products have exported to Germany, Spain, UK, USA, Australia, Middle East, and so on other countries, and we have got very good feedback from our customers.so you can trust us.
And we are the manufactory, so you don’t need to doubt the quality.
Payment method: for example T/T, D/A, L/C, Westerm Union,other
1)We will ship the goods within 5days after get your payments.If you want to cancel or change order, please tell me within 24hours after you finish the payment…So we both can make the best of the bad bargain.
2)We will ship the goods that you order from us by HKEMS, DHL, UPS, TNT and EUB.We will decided to choose which courier depend on different countries.To find the best way to delivery the goods for you.
3)As usual you can get the goods with in 4-7days.If the goods were lost or not received for other reasons, please contact us immediately.
FAQ
Q1.How can I get the price?
A: We usually quote within 6 hours after we get your inquiry -If you are very urgent to get the price, please email us or contact us in other ways so that we can offer you a quote..
Q2 Can I buy samples placing orders?
A: Yes.Please feel free to contact us.
Q3: What is your lead time?
A: It depends on the order quantity and the season you place the order.Usually we can ship within 3-5 days for quantity,and about 15 days for large quantity.
Q4:What is the shipping method?
A:It could be shipped by sea,by air or by express(EMS,UPS,DHL,TNT,FEDEX and ect).Please confirm with us before placing orders.
Q5: How do you make our business long-term and good relationship?
A: 1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them,no matter where they come from.
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