Optical Brightener Swn (C. I. 140/C. I. 52) CAS: 91-44-1/ (61968-71-6) /Fluorescent Brightener Swn

• CAS No.: 91-44-1
• Formula: 91-44-1
• Type: Synthesis Material Intermediates
• Model NO.: CAS 91-44-1
• Quality: Industrial
• Colour: Colorless
• Purity: 99%
• Package: 200kg, 25kg
• Delivery Time: 48 Hours
• Color: as Pic
• Stock: in Stock
• Transport Package: 200kg 25kg
• Trademark: Yifan Chem
• Origin: Shandong China
• Production Capacity: 50000kg/Mouth

Product Description

 

Product Description

Application:
Optical brightener SWN (optical brightener 140) is used in brightening acetate fiber, polyester fiber, polyamide fiber, acetic acid fiber and wool. It also can be used in cotton, plastic and chromatically press paint, and can also be added into resin to whiten the fiber cellulose.

Porperty:
1.Multipurpose brightener with excellent whiteness, soluble in ethanol but insoluble in water.
2.Good solubility and compatibility.
Package: Packaged in 25kgs fiber drum with double PE liners
Using method:
1. Applied to Plastics: the dosage of SWN is generally 0.01-0.06%, which can be mixed evenly with corresponding processing plastics.
2. When used for wool, natural silk and acrylic fiber, it is generally used in liquid state
SWN dosage: wool: 0.05-0.35%; natural silk: 0.05-0.4%; acrylic: 0.05-0.8%
3. This product can also be added to detergents and washing powder as whitening agent with the dosage of 0.001-0.005%.

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FAQ

Q1: Are you a manufacturer?
Answer: Yes, we are factory founded on 2010.

Q2: How to contact with us?
Click the "Contact Supplier" And then send us message the product you interest in, you will get valid reply within TWO hours.

Q3:Which kind of payment terms do you accept?
For small order,you can pay by T/T,Western Union or Paypal,nomal order by T/T to our company account

Q4:Can you give me a discount price?
Sure,It depends on your qty.

Q5:How can i get a sample?
free samples is available,but freight charges will be at your account and the charges will be return to you or deduct from your
order in the future.

Q6: 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.

Q7:How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us,
we will send you free goods for replacement or refund your loss.