Fluorescent Brightener KSN is a fluorescent brightener of benzoxazole with a yellow-green powder appearance and a blue-violet fluorescent light. It has good compatibility, does not precipitate easily, adds little and has a good whitening effect, and also has excellent heat and light resistance. The fluorescent brightener KSN has a similar chemical structure to the whitening agent OB-1 and is better soluble than OB-1 for plastics and polyester fibres, with better whitening effect. It is suitable for polyester, polyamide and polyacrylonitrile, especially for engineering plastics and synthetic fibres.
FWA KSN's chemical structure is similar to FWA OB-1's but has much better whitening effects than OB-1 on polyester fibres and plastics,its compatibility with plastics is better than OB-1's too,highly whitening effects is available with only small dosage,KSN has a good resistance to high temperature as well as excellent resistance to light and weather.Applied to whiten polyester,polyamide and polycarylonitrile fibres,used in film,plastic pressing & injection process too.Suitable for whitening high polymers and could be added at any point during synthesizing
We have many high-quality factories with deep cooperation, which can provide you with high quality products and competitive prices. And we can also give discounts for bulk purchases.And we cooperate with many professional freight forwarding companies, can deliver products safely and smoothly to your hands. Delivery time is about 3-20 days after confirmation of payment.
Product Name | Optical brightener KSN(C.I. 368) |
CAS No. | 5242-49-9 |
EINECS No. | 226-044-2 |
Other Name | 4-(2-Benzoxazolyl)-4'-(5-methyl-2-benzoxazolyl)stilbene |
Molecular formula: | C29H20N2O2 |
Appearance | Yellow-green powder |
Purity | ≥99.95% |
Melting point | 269ºC~271°C |
Ash: | ≤0.1% |
Volatile: | ≤0.5% |
Fineness | ≥ 120 mesh |
Package | 20kg per carton, 25/30kg per fiber drum with PE liner, or as per the customers' requirements. |
Applications: It is used in thermoplastic plastics PVC, PE, PP, PS, ABS, SAN, SB, CA, PA, acrylic resin, polyester fiber paint, coating the brightening of printing ink. |
1. Are you a factory or a trading company?
We are a compnay integrating industry and trade,providing one-stop service.OEM could be accepted.
2. Do you provide samples? Is it free or extra?
Free samples.The sample's freight fee need to be paid by your side.
3. Do you have any certificates related to quality control?
ISO 9001:2008 certification to ensure quality.
4. What should I provide to get a quotation?
Pls inform us of the product type which you need,order quantity,address and specific requirements.The quotation will be made for your reference in time.
5. What kind of payment method do you prefer? What kind of terms are accepted?
Accepted Delivery Terms: FOB,CFR,CIF,EXW;
Accepted Payment Currency:USD;
Accepted Payment Type: T/T,Western Union; Paypal,Trade Assurance.
Language Spoken:English.
Products categories