Fluorescent Brightener OB | 7128-64-5
Product Description
Fluorescent Brightener OB is a benzoxazole fluorescent whitening agent with light yellow powder appearance and blue-white fluorescent colour light. It is soluble in alkane, paraffin, mineral oil and organic solvents, with a maximum absorption wavelength of 357 nm and a maximum fluorescence emission wavelength of 435 nm. It has good compatibility, good stability, good light transmission and good whitening effect, and is suitable for the whitening and brightening of PVC, PS, PE, PP, ABS, POM, PMMA and other thermoplastics and thermosetting plastics, paints, inks and coatings.
Other Names: Fluorescent Whitening Agent, Optical Brightening Agent, Optical Brightener, Fluorescent Brightener, Fluorescent Brightening Agent.
Applicable industries
Applicable to all kinds of PVC transparent plastic products, used in PS ABS thermoplastics Acetate fiber whitening and brightening.
Product Details
|
C.I. |
184 |
|
CAS NO. |
7128-64-5 |
|
Molecular Formula |
C26H26N2O2S |
|
Moleclar Weight |
430 |
|
Appearance |
Light yellow powder |
|
Colored Light |
Blue-white light |
|
Melting Point |
196-203℃ |
|
Content |
≥ 99% |
|
Ash |
≤ 0.1% |
|
Fineness |
200 mesh |
|
Max. Absorption Wavelength |
375 nm |
|
Max. Emission Wavelength |
435 nm |
|
Application |
It can be used in thermoplastics, PVC, polystyrene, polyethylene, polypropylene, ABS and acetate, as well as in varnishes, paints, white magnetic paints and in coatings and inks. It also has a good effect on the whitening of synthetic fibres. |
Reference Dosage
- 1.Polyvinyl chloride (PVC): In hard or soft PVC: Whitening: 0.01-0.05% (10-50g/100KG material) Transparent: 0.0001-0.001% (0.1g-1g/100kg material) (100kg material)
2.Polystyrene (PS): whitening: 0.001% (1g/100kg material) transparent: 0.0001-0.001 (0.1-1g/100kg material)
3.ABS: add 0.01-0.05% in ABS It can effectively eliminate the original yellow colour and achieve the whitening effect
4.Polyolefin: polyethylene and polypropylene have good whitening effect: transparent: 0.0005-0.001% (0.5-1g/100kg material) whitening: 0.005-0.05% (5-50g/100kg material) material)
Product Advantage
- 1.Stable Quality
All products have reached national standards, product purity of more than 99%, high stability, good weatherability, migration resistance.
2.Factory Direct Supply
Plastic State has 2 production bases, which can guarantee the stable supply of products, factory direct sales.
3.Export Quality
Based on domestic and global, the products are exported to more than 50 countries and regions in Germany, France, Russia, Egypt, Argentina and Japan.
4.After-sales Services
24-hour online service, the technical engineer handles the whole process regardless of any problems during the use of the product.
Packaging
In 25kg drums (cardboard drums), lined with plastic bags or according to customer’s requirements.
