Optical brightener VBL

Short Description:

Product Detail

Send Message

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 generally30-40 m / min or so, two Baptist 2 rolling, 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

liquid

Quality:
Our company is a professional production of Plastic raw material and Metal 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.

绿色详情页4

FAQ

Q1: Can i get some samples
A: Yes, we can supply the free sample, but the shipping cost be paid by our customers.

Q2: How to start orders or make payments
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union,BTC,MoneyGram

Q3: How to confirm the Product Quality before placing orders
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the
samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

Q4:What’s your MOQ
A:Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Q5: How about delivery lead time
A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)

Previous: Optical brightener KSN