Optical Brightener OB-1 for PVC, PP, PE
Specification
Appearance: Yellowish green powder
Assay: 98.5% min
Melting Point: 357~361°C
Volatiles Content: 0.5% max
Ash content: 0.5% max
Application
1. Suitable for polyester fiber (PSF), nylon fiber and chemical fiber whitening.
2. Applicable to PP, PVC, ABS, PA, PS, PC, PBT, PET plastic whitening brightening, with excellent whitening effect.
3. Suitable for whitening agent concentrated masterbatch added (such as: LDPE color concentrate)
Usage
1. polyester fiber 75-300g. (75—300ppm)
2. Rigid PVC ,PP, ABS, Nylon, PC 20-50g.(20—50ppm)
Whitening concentrated masterbatch 5-7kg.(0.5—0.7%)
Package and Storage
1. 25kg drums
2. Stored in a cool and ventilated place.
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