Fluorescent Brightener OB-1
Product Description
Fluorescent Brightener OB-1 is a fluorescent whitening agent of stilbene bisbenzoxazole, with light green and yellowish powder appearance and blue-white fluorescence. It has the characteristics of high temperature resistance, pure colour light, strong fluorescence and good whitening effect, and is suitable for the whitening and brightening of polyester, nylon fiber, polypropylene fiber, PVC, ABS, EVA, PP, PS, PC and high temperature molding plastics.
Other Names: Fluorescent Whitening Agent, Optical Brightening Agent, Optical Brightener, Fluorescent Brightener, Optical Whitening Agent, Fluorescent Brightening Agent.
Applicable industries
Suitable for all kinds of plastics, low dosage, migration resistant and environmentally friendly.
Product Details
C.I. |
393 |
CAS NO. |
1533-45-5 |
Molecular Formula |
C28H18N2O2 |
Moleclar Weight |
414 |
Appearance |
Bright yellow-green crystallione powder |
Melting Point |
350-355℃ |
Max. Absorption Wavelength |
374 nm |
Max. Emission Wavelength |
434 nm |
Application |
For the whitening of polyester, nylon, polypropylene fibres and other chemical fibres. For the whitening and brightening of polypropylene plastics, ABS, EVA, polystyrene, polycarbonate, etc. Suitable for adding to the conventional polymerisation of polyester and nylon. |
Reference Dosage
1.Hard PVC: Whitening: 0.01-0.06% (10g-60g/100kg material) Transparent: 0.0001-0.001% (0.1g-1g/100kg material)
2.Polystyrene ( PS): Whitening: 0.01-0.05% (10g-50g/100kg material) Transparent: 0.0001-0.001% (0.1g-1g/100kg material)
3.Polyvinyl chloride (PVC): Whitening: 10g-50g/100kg material 10g-50g/100kg material Transparent: 0.1g-1g/100kg 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.