Good Wholesale Vendors Ethyl Pyruvate Mosquito - Optical brightener OB – Kunxiangda Detail:
Optical brightener OB (FBA 184)
CAS NO.: 7128-64-5
Structural formula: .jpg)
Appearance: light yellow or milk white powder
Purity: ≥99%
Melting point: 201-205℃
Solubility: poorly soluble in water, soluble in alkane, mineral oil, and common organic solvents.
Packing: 25KG fiber drum lined with double-layer plastic bag
Uses: in whitening and brightening PVC, polystyrene, polyethylene, polypropylene, thermoplastic plastic, ABS, cellulose acetate fiber, coating, paint, ink, etc.
Optical brightener OB-1 (FBA 393)
CAS NO.: 1533-45-5
Structural formula: 
Appearance: bright yellow green crystalline powder
Purity: ≥98.5%
Melting point: 355-360℃
Solubility: insoluble in water, soluble in benzene dichloride and other high boiling point organic solvents
Packing: 25KG fiber drum lined with double-layer plastic bag
Uses: in whitening polyester fiber, in whitening and brightening polyester, cotton and other fiber blended fabrics
Optical brightener OB-2
CAS NO.: 2397-00-4
Structural formula: 
Appearance: yellow crystalline powder
Purity: ≥98.5%
Melting point: ＞275℃
Uses: in whitening and brightening polyester fiber. It has favorable whitening and brightening effects to polyethylene, polypropylene, PVC and other plastics and products
Optical brightener OB-C
Appearance: light yellow powder
Melting point: 196-202℃
Packing: 25KG fiber drum lined with double-layer plastic bag
Uses: in non-transparent PVC plastics and other organic matters.
Plastic efficient Optical brightener OB-3
I. Technical index:
Appearance: yellow green powder
Active ingredient: ≥97%
Volatile matter: ≤0.5%
Melting point: ≥350℃
II. Features and uses:
1.Favorable heat stability.
2.OB-3 can be widely used in polyester fiber.
3.It is suitable for various polymers.
III. Method of application:
25-300PPM in new polymer and 300-400PPM for recycled material.
IV. Packing:
25kg paper barrel lined with double-layer plastic bag.
Product detail pictures:
Related Product Guide:
Our company puts emphasis on the management, the introduction of talented personnel, and the construction of staff building, trying hard to improve the quality and liability consciousness of staff members. Our company successfully attained IS9001 Certification and European CE Certification of Good Wholesale Vendors Ethyl Pyruvate Mosquito - Optical brightener OB – Kunxiangda , The product will supply to all over the world, such as: Philippines, Madagascar, Belgium, Our company abides by the management idea of "keep innovation, pursue excellence". On the basis of assuring the advantages of existing products, we continuously strengthen and extend product development. Our company insists on innovation to promote the sustainable development of enterprise, and make us become the domestic high-quality suppliers.
By Madge from Jersey - 2017.05.02 11:33
The factory workers have rich industry knowledge and operational experience, we learned a lot in working with them,we are extremely grateful that we can encount a good company has excellent wokers.
By Teresa from Kenya - 2017.06.29 18:55