Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Plastics & Elastomers Functions
- Technologies
Features & Benefits
- Materials Features
Applications & Uses
- Applications
- Compatible Polymers & Resins
- Plastics & Elastomers End Uses
- Applications
UV-622 is suitable for those applications which demand particularly high stability for such polymers as PP, HDPE, LDPE, LLDPE, ABS and PVC. It is FDA-cleared for use in food packaging applications including polyolefin and PVA with maximum concentration of 0.3%.
In contrast to UV absorbers, UV-622 effectiveness is independent of the polymer’s thickness. For this reason, UV-622 is particularly effective in articles with high specific surface such as coating, fiber, films and tapes. A percentage of 0.2% - 0.5% of UV-622 is recommended for the purpose of light protection. If desired, it can be incorporated in monomer before polymerization, often with improvement of resin quality. Light stability of polymer can be further enhanced by use of UV absorbers or certain antioxidants.
Properties
- Odor
- Faint
- Appearance
- White crystalline powder, Low dust white crystal
- Color No.
- 65447-77-0
- Typical Properties
| Value | Units | Test Method / Conditions | |
| Softening range | 65 - 80 | — | — |
| Specific Gravity at 20°C | 1.2 | — | — |
| Vapor pressure at 20°C | max. 0.01 | Pa | — |
| Acetone Solubility (g in 100 ml solvent) | 2 | — | — |
| Dichloromethane Solubility (g in 100 ml solvent) | min. 60 | — | — |
| Hexane Solubility (g in 100 ml solvent) | 0.01 | — | — |
| Methanol Solubility (g in 100 ml solvent) | 0.1 | — | — |
| Styrene (g in 100 ml solvent) | 10 | — | — |
| Acetic acid ethylester (g in 100 ml solvent) | 5 | — | — |
| Molecular Weight | min. 2,500 | — | — |
| Volatiles | max. 0.5 | % | — |
| Ash Content | max. 0.1 | % | — |
Regulatory & Compliance
- Certifications & Compliance
Packaging & Availability
- Packaging Type
- Packaging
25 kg net/fiber Drum
Storage & Handling
- Storage
Must be stored in closed containers in dark dry conditions.