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| Packaging Details: | 25KG fiber drums with PE liner |
| Delivery Detail: | within 3 days |
optical Brightening Agents OB-1
Specification
| Appearance | Light yellow crystals |
| Melting point | ≥359°C |
| Assay | ≥98.0% |
| Fineness | ≤0.5% |
Characteristics: Excellent whiteness, fluorescence and shade; excellent resistance to high temperature and weathering.
Application: For whitening of polyester and nylon; also used in ABS, PS, HIPS, PA, PC, PP, EVA, PVC, etc.
Usage: Rate of use: (per 1000kg of substrate) Polyester: 75-300g EVA, PP, nylon: 75-200g
Packaging & Storage: 25kg or 50kg iron drum or paper drum lined in plastic bag, transport as non-hazadous: 












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