| Category | Other Engineering Material , Additive/Filler for Polymer |
| Manufacturer | Hong Kun Group |
| Trade Name | |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Hong Kun Group UV 531 UV Absorber.pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Loss On Ignition | <= 0.10 % | <= 0.10 % | residue on ignition |
| Evaporation Loss | <= 0.50 % | <= 0.50 % | loss on drying |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| Melting Point | 47.0 - 49.0 °C | 117 - 120 °F |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Transmission, Visible | >= 92 % | >= 92 % |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Appearance | pale yellow crystalline powder | |
| E (1.0%/1cm) | 450-500 | |
| Purity (%) | >= 99 | GC |