Product Features:
Distyryl double benzoxazole
Product Specifications:
Items | Index |
Product name | Optical Brightener OB-1 |
CAS No | 1533-45-5 |
Chemical name | 2.2-(4.4-diphenol vinyl) dibenzoxazol |
MF | C28H18N2O2 |
Physical form | Yellowish green powder |
Melting point | ≥359 |
Purity | ≥98 |
Fineness | 0.050 |
Einecs no. | 216-245-3 |
Applications:
polypropylene plastic, rigid PVC, ABS, EVA, polystyrene, polycarbonate,
polyester fibers, nylon fibers, polypropylene fibers.
Packing and Storage:
15kg/Bottle, or 5kg*4 Carton, or 5kg*2 Cartion.
No decomposition at room temperature, but should be stored in a cool and dry place. Keep away from hot, fire source, avoid direct sunlight. Recommended storage and mixing areas have good ventilation conditions to avoid inhalation. Transportation according to the general chemicals.
The dose description:
Add the amount of fluorescent whitening agent ob-1 per 100kg of polymer (reference amount)
Transparent: The amount added is 0.0025-0.005% (2.5g-5g)
The general dosage is: 0.0025-0.025% (2.5g-25g) Not more than 0.03% (30g)
When adding any UV absorber to the polymer, care should be taken to adjust the optimum amount of the optical brightener OB-1.