Optical Brightener OB

Product Description

Optical Brightener OB

 

Molecular formula: C*6H*6SO2N2

Molecular weight: **0 **5

CAS NO: ********5

HS Code: *******0

Appearance: milky whiter powder

Melting point: ******0

Purity: *9.0%

Ash: 0.3%

 

Application: It can be used to whiten PVC, Polystyrene, Polypropylene, PA, PMMA, PE, PP, Paint, Coating, Printing ink and so on.

Package: Packaged in board drum, inside lining plastic bag.







Fluorescent Brightener OB*1

1. Chemical name: 

Distyryl bisbenzoxazole OB*1

 

2.Technical conditions: 

Purity: ≥ *9.*5%

Appearance: Bright green crystalline powder

Melting point: **0 ~**0℃

Ash: ≤0.1%

Volatile:≤0.5%

Fineness: ≥ **0 mesh 

3. Features: 

Bright green crystalline powder**-fluorescent brightener OB*1, insoluble in water, odorless, stable performance, the maximum absorption of wavelength spectrum is **0mm, it is mainly used in the synthesis of fiber and plastic.

 

4.Usage and dosage:

Fully mix up the fluorescent brightener OB*1 with the raw materials, then molding processing. Fluorescent brightener OB*1 is commonly used in the amount of 0.***0.*3%, that is, each **0kg of the materials, the fluorescent brightener OB*1 takes ****0g or can be adjusted according to the requirements of the product or test.

 

5.Packaging and Storage: 

*0kg per carton, *5/*0kg per fiber drum with PE liner, or as per the customers' requirements. 

To avoid light, can be stored in cool and dry place for *4months.

 

Notes:

A small amount of crystallization is allowed when storage over 2 months, the effect will not be affected during the shelf life.