Fire Retardant Urea Formaldehyde Adhesive Powder
| Typical values | Characteristics |
| Powder | |
| White powder | Appearance |
| 0.5 ± 0.05 gr/cm3 | Bulk density |
| 2 wt% | Moisture content, max |
| 50% Solution (1:1 liquid glue) | |
| 100 – 200 mPa.s | Viscosity at 25 °C |
| 1.2 – 1.25 wt% | Free formaldehyde content |
| 7 – 8 | pH at 25 °C |
| 1.17 – 1.2 | Specific gravity at 20 °C |
| 60 – 90 s | Gel time at 100 °C with hardener |
| 4 days | Shelf life at 25 °C |
After mixing with water, it is used as fire retardant liquid adhesive. It can retard fire up to 40 minutes. The main application is in production of fire retardant wood products.
Applications
- Manufacturing of fire retardant wood particle board, plywood, furniture and other fire retardant wood products.
Storage life
6 months at 25 °C
Packaging
25 kg laminated PP bags