High Quality Optical Brightener Ob /Ob-1 From China

• CAS No.: 1533-45-5
• Formula: C28h18n2o2
• Color: Yellow-Green
• Appearance: Powder
• Solubility: Soluble in High Boiling Point Organic Solvent
• Melting Point: 357-359ºC
• Model NO.: OB-1
• Application: Plastic;Synthetic Fiber
• C.I.: Fluorescent Brightener 393
• Transport Package: 25kg
• Specification: 25kg
• Trademark: Emperor chemical
• Origin: China

Product Description

High Quality Optical Brightener OB /OB-1 From China

Product Description

 

PHYSICAL PROPERTY
Purity(%): >99.0
Melting Point(ºC): 357-359
Volatile content: (%): 0.5Max
Ash content(%): 0.1Max

Appearance	Bright Yellow/Green crystalline powder
Purity	>99%
Melting point	357-359ºC
Volatile	<0.5%

Properties:

Solubility: Insoluble in water,but soluble in high boiling point organic solvents such as phenyl-chloride. 
Structure: a compound of diphenylethylene bisbenzoxazole type.


Applications:

FWA OB-1 is 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 ABS,PS,HIPS,PA,PC,PP,hard PVC,polyolefin, 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.

Detailed Photos

 

Directions for use and dosage:

The dosage should be 0.01-0.05% on weight of plastic or polyester granules.Mix the materials thoroughly before shaping of the plastic products or drawin-spinning of polyester fibers.

Company Profile

 

Hangzhou EMPEROR CHEMICAL CO., LTD  is engaged in dyestuff research, development and marketing for more than 10 years.
If you have interet in our products and want to find a stable supplier, PLEASE CONTACT US. I'm looking forward to you reply and opportunity to have cooperation with you.

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