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1 Kilogram |
Negotiable |
Optical Brightener Talcum powder tetramisole
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) |
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