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 wt% | Free formaldehyde content, max |
| 7 – 8.5 | pH at 25 °C |
| 1.2 ± 0.05 | Specific gravity at 20 °C |
| 30 – 50 s | Gel time at 100 °C with hardener |
| 7 days | Shelf life at 25 °C |
Powdered urea formaldehyde adhesive is used as liquid adhesive after mixing with water. This product is preferred to liquid resin where production runs are infrequent and longer storage life is needed.
Applications
- Manufacturing of wood particle board, plywood, interior furniture and other wood based products.
Storage life
6 months at 25 °C
Packaging
25 kg laminated PP bags