High 99% Purity Optical Brightener for Painting and Coating

• CAS No.: CAS: 27344-41-8
• Formula: C28h18n2o2
• EINECS: 216-245-3
• Colour: White, Green
• Appearance: Powder
• Usage: Paint, Ceramic, Cosmetic, Plastic, Leather, Ink, Paper, Textile, Food, Rubber Auxiliary Agents, Plastic Auxiliary Agents,
• Model NO.: pigment 001
• Application Material: Rubber Auxiliary Agents, Plastic Auxiliary Agents,
• Type: Natural
• Solubility: Solubility
• Composition: Oxide
• Yellow Pigments: Iron Oxide Yellow
• Green Pigments: Chrome Oxide Green
• Blue Pigments: Iron Blue
• Name: 4,4′-Bis(2-Benzoxazolyl)Stilbene
• Purity: >99%
• Feature: High Temperature Resistance
• Melting Point: 358ºC----363ºC
• Mesh Number: ≥1000
• Molecular Weight: 414.4
• Fusing Point: 353-359ºC
• Transport Package: 25kgs Per Bag
• Specification: 25kg
• Origin: China
• HS Code: 3204200000
• Production Capacity: 10000

Product Description

 

Product Description

 

Product Name	Optical brightener OB-1(C.I. 393)
CAS No.	1533-45-5
EINECS No.	216-245-3
Other Name	4,4'-Bis(2-benzoxazolyl)stilbene
MF	C28H18N2O2
Appearance	Bright yellow / green crystalline powder
Purity	≥99%
Melting point	360~380 °C
Volatile:	<0.5%
Package	20kg per carton, 25/30kg per fiber drum with PE liner, or as per the customers' requirements.
Application	Mostly used in the brightening the products of synthetic fiber and plastics, it is widely used in plastic film, material of lamination moulding and injection moulding as well  as preferable brightening efficiency on polyolefin, PVC, PVC foaming, TPR, EVA and PU  foaming together with coating, natural lacquer, etc. It also has specially good effect on foaming plastics, especially EVA, PE foaming.
Dosage:	Optical brightener OB-1 is commonly used in the amount of 0.02-0.05%, that is, each 100kg of the materials, the optical brightener OB-1 takes 20g-50g or can be adjusted according to the requirements of the product or test
Properties	•     Colors appear more brilliant •     Environmentally friendly •     Excellent brightening ability •     Produce a bluish tinge, masking yellowness •     Whiter-than-white appearance.

Products Application

Production

Factory

Established in 2015, Hebei Best New Material Technology Company is a direct manufacturer of chemical raw material , including optical brightener(0B,OB-1,FR127 CBS-X,0B-3,OB-C,ER-V,EBF,KSN,).

We have our own clean workshop, independent laboratory, disinfection workshop, etc, providing various special chemicals according to customers' requirements.

We have established good and reliable business
relationship with many well-known companies all over the world relying on good reputation and
high-quality service.

Optical Brightener Hebei BEST OB is highly effective in polymer substrates such as engineering plastics, PE PC, PVC, PS, ABS, and PP, adhesive and other organic substrates. Main applications include fiber,plastic/textile/detergent/Paper, molded article, film and sheet. And also can be used in clear lacquers, pigmented lacquers, paints, printing ink and synthetic leather. Hebei Best OB features excellent resistance to heat, exceptional whitening properties, good properties, good light fastness and low volatility.

Packaging & Shipping

 

 

Certifications

FAQ

 

Q1: How to confirm the Product Quality before placing orders?

A1: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.

Q2:Is there a discount?

A2:Different quantity has different discount.

Q3: Can you provide samples for quality checking before placing an order?

A3: Samples are avaliable upon request, but the shipping cost should be paid by customer.
Q4:Which port can I choose?

A4:Zhengzhou,Tianjin, Qingdao or Shanghai Ports can be, depending on you.
Q5: Can you customize products?

A5: Yes, we can.
Q6: How about delivery leadtime?

A6:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)