Optical Brightener OB-1

• Certification: SGS
• Environmental Protection: Yes
• Color: Yellow
• Kind: Optical Brightener
• Appearance: Powder
• Melting Point: 356-360 Degree
• Model NO.: OB-1
• Purity: Exceed 98.5%
• Fineness: Exceed 200mesh
• Volatile Content: Below 0.5%
• Ash Content: Below 0.5%
• Transport Package: Standard Exporting Package
• Specification: molecular weight 414.4
• Trademark: HYX
• Origin: China
• HS Code: 32042000
• Production Capacity: 1000 Ton / Year

Product Description

Product Name	Optical Brightener OB-1
Chemical Name	2.2'-(4.4'-diphenol vinyl) dibenzoxazol
CAS No.	1533-45-5
C.I. No.	393
Molecular Formula	C28H18N2O2
Molecular Weight	414
Technical Index	Appearance:Yellowish/greenish crystal powder Molecular weight:414.4   Melting Point:356ºC~360ºC Purity:  ≥98.5%     Fineness:  ≥200 mesh Volatile content:  ≤ 0.5%    Ash content : ≤ 0.5%
Uses	Mainly be used in whitening of polyester and plastic, as well in whitening of Nylon during polymerization. For whitening of polyester and nylon; also used in ABS, PS,PVC, HIPS, PA, PC, PP, PE,PET,EVA, etc.    Rate of use: (per 1000kg of substrate)    Polyester: 75-300g   EVA, PP, nylon: 75-200g
Package	25kg per fiber drum