Product name: OPTICALBRIGHTENER OB
Color Index No: C.I.184
Synonyms: FBA 184; OBA 184,Fluorescent Brightener OB; Optical Brightener Agent OB
Molecular Formula:C26H26N2O2S | Molecular Weight:430.5618 |
CAS No:7128-64-5 | EINECS No: 230-426-4 |
Appearance: Slight yellowish green powder | Melting point(℃):201-202 |
Assay:99% | Fineness: ≥ 200 meshes |
It can help colors becomemore brilliant and get outstanding brightening ability. Adding OB can produce abluish tinge and mask yellowness, as well as create whiter look than normalwhite appearance. It is an environmental friendly brightener.
Optical brightener OB iswidely used in PVC, PE, PP, PS, ABS, PMMA, POM and other thermoplastic plasticsas well as thermosetting plastics, polyester fiber
1. PVC:
In the soft or hard PVC:
Whitening: 0.01~0.05% (10-50g/100kg material).
Transparency: 0.0001~0.001% (0.1-1g/100kg material).
2. PS:
Whitening: 0.001% (1g/100kg material).
Transparency: 0.0001~0.001 (0.1-1g/100kg material).
3. ABS:
Adding 0.01~0.05% of this product to ABS caneffectively clean the original yellow to whitening it.
4. Polyolefin
It has good whitening effect onpolyethylene and polypropylene.
Transparency: 0.0005~-0.001% (0.5-1g/100kg material).
Whitening: 0.005~0.05% (5-50g/100kg material).
10kg or 25kg/ fiber drums. It can bepacked in other forms according to user's requirements.
Shelf life: not morethan 24 months in the room temperature.