OB-1 Chất tăng trắng quang học – OB1

Hiện nay chúng tôi là đơn vị cung cấp chất tăng trắng quang học OB1 chất lượng cao xuất xứ Trung Quốc với giá tốt nhất thị trường

Optical Brightening Agent OB-1
OB-1 is used widely in the plastic market. Because of its excellent brightening ability,good thermal stability,and compatibility with many polymers.
Key words: optical brightening agent OB-1, optical brightener OB-1, fluorescent brightener OB-1, optical whitening agent OB-1, brightener OB-1
Typical Properties:

Chemical name: 2,2-(1,2-Ethenediyldi-4, 1-phenylene) bisbenzoxazole
Molecular weight: 414.4
CAS No.: 1533-45-5
C.I.: 393
Specifications:
Ash % 0.3max
Empirical Formula C28H18N2O2
Melting Point(DTA),C 353-359
Appearance Yellowish Green Powder
Odor Free of odor
Volatile Content % 0.3max
Assay % 99min
Particle Size 200 meshes

Application:
For whitening of polyester and nylon; also used in ABS, PS, HIPS, PA, PC, PP, EVA, PVC, etc.
Rate of use: (per 1000kg of substrate)
Polyester: 75-300g
EVA, PP, nylon: 75-200g
Package:
25kg / fiber drum with PE liner