Advantage:
- UV absorber UV-312 is a para-aminobenzoic acid type ultraviolet absorber with outstanding UVB absorption performance.
- It can absorb ultraviolet rays ranging from 280 to 320 nm, with the absorption peak at 298 nm. It has the characteristics of good compatibility, low volatility, good thermal stability, and high absorption efficiency.
- It does not react with metal ions, does not interfere with whitening agents, and does not overlap with the absorption of photoinitiators.
- It is suitable for use in polyesters, polyurethanes, polyamides, polyvinyl chloride, polycarbonate, polymethyl methacrylate, unsaturated resins, cellulose resins, solvent coatings, and powder coatings. The general dosage is 0.1-0.5%.
Applications:
Used in PA, PC, PVC, PU and PET/PBT resin
Package:
25KG cartons or drums
Storage and Transportation:
Keep container tightly closed and dry and storage in cool place.
Note: The data contained here are based on our current knowledge and experience. It is the responsibility of user to test our products before the final application.
Technical Specifications
- Product Name: UV absorber UV-312
- CAS No.: 23949-66-8
- Chemical Name:2-(2'-hydroxy-3',5'-di-t-butyl-phenyl)benzotriazole
- Molecular Formula: C18H20N2O3
- Molecular Weight: 312.3
- Other Name:Tinuvin312,SABO STAB UV 312,Lotsorb UV 312
- Appearance: White crystalline powder
Melting Point | 124-127℃ |
Purity | ≥99% |
Ash | ≤0.1% |
Loss On Drying | ≤0.5% |
Density | 1.30g/cm3 |
Transmittance | 460nm≥95% 500 nm≥97% |
