USD $75.00-150.00 / Kilogram
USD $15.00-50.00 / Kilogram
USD $15.00-45.00 / Kilogram
USD $15.00-50.00 / Kilogram
USD $15.00-50.00 / Kilogram
USD $15.00-50.00 / Kilogram
USD $15.00-50.00 / Kilogram
USD $15.00-50.00 / Kilogram
USD $15.00-50.00 / Kilogram
chemical name |
fluorescent brightener 378 |
cas no. |
40470-68-6 |
formula |
c30h26o2 |
einecs no. |
254-935-6 |
appearance |
light yellow crystalline powder |
melting point |
219-221 °c |
content |
|
ash |
≤ 0.1% |
loss on drying |
≤ 0.5% |
acid and alkali resistance |
with strong acid and alkali resistance |
solubility |
insoluble in water, soluble in common organic solvents |
packing |
25kg cardboard drums, stored in a cool dry place. |
application scope |
it is especially suitable for the whitening of pvc and polystyrene series products, and it can also be used for whitening and brightening of other thermoplastics, coatings, inks, and synthetic fibers. |
usage |
the amount of addition can be selected according to the whiteness requirement. the following is the recommended dosage: 1. pvc: whitening: 0.01-0.05% (10-50g/100kg material) 2. transparent: 0.0001-0.001% (0.1-1g/100kg material) 3. polystyrene: whitening: 0.001% (1g/100kg material) 4. transparent: 0.0001-0.001% (0.1-1g/100kg) |