Optical Brightener OB-1 -Professional supplier

If you want to buy Optical Brightener OB-1 please feel free to contact info@sancaiindustry.com

Specification of Optical Brightener OB-1

Item	Specification
Appearance	bright yellow cystal powder
Melting point	353—360C
Assay	≥99.0%
Ash	≤0.5%
Loss on drying	≤0.3%
Minimum ultraviolet absorption wavelength	374nm
Maximum ultraviolet absorption wavelength	434nm

More About Optical Brightener OB-1

CAS: 1533-45-5

Standard: Technical Grade

Content: 99% Min.

Capacity:50MT/month

Loading port: Shanghai,Tianjin, Qingdao

Synonyms: Optical Brightener OB-1; Fluorescent Brightener 393 ; FBA 393; Optical Brightening Agent OB-1 C. I. 393

MF：C28H18N2O2

MW: 414.45

Use Of Optical Brightener OB-1

1.for the whitening of polyester fiber, nylon fiber and polypropylene fiber.

2.for the whitening of polypropylene plastics, hard PVC, ABS, EVA, polystyrene and Makrolon.

3.to be used in polyester and nylon.

The dosage should be 0.01-0.05% on weight of plastic or polyester granules.

Mix the materials thoroughly before shipping of the plastic prodects or draw

in-spinning of polyester fibers

Package Of Optical Brightener OB-1

25kg/drum, or according to the customers’demand

Storage: Stored in the dry and ventilated inside storeroom, prevent direct sunlight, slightly pile and put down