Basic Info.
Purity
98%
Brand
Ld Chemical
Fineness
≥200 Mesh
MOQ
1kg
Shelf Life
48 Months
Transport Package
Bag, Drum
Specification
25KG/Drum
Trademark
LD
Origin
China Hunan
HS Code
32042000
Production Capacity
100000
Product Description
Optical Brightener Ob-1 Specification
| Product Name | Optical Brightening Agent OB-1 |
| Chemical Name | 2.2'-(4.4'-diphenol vinyl) dibenzoxazol |
| CAS No. | 1533-45-5 |
| C.I. No. | 393 |
| Molecular Formula | C28H18N2O2 |
| Molecular Weight | 414 |
| Technical Index | Appearance:yellowish green powder Melting Point:357~359°C Purity:≥99% |
| Uses | Mainly be used in whitening of polyester and plastic, as well in whitening of Nylon during polymerization. For whitening of polyester and nylon; also used in ABS, PS, HIPS, PA, PC, PP, PET,EVA, PVC, etc. Rate of use: (per 1000kg of substrate) Polyester: 75-300g EVA, PP, nylon: 75-200g |
| Package | 25kg per fiber drum |
