Official Journal of the Japan Wood Research Society
Table 1 Overview of adhesives, selected properties and processing parameters
From: Modifying elastic modulus of two-component polyurethane adhesive for structural hardwood bonding
Adhesive | 2C PUR | 1C PUR | PRF |
|---|---|---|---|
Collano experimental type | Collano RP 2760 | Dynea Aerodux 185 RL/HRP 155 | |
Ratio weight (resin/hardener) | 2.45:1 | – | 1: 0.2 |
Viscosity (mPas) @ 20 °C | 40,000 | 20,000–30,000 | 8000–10,000 |
Max. open time (min) @ 20 °C | 60 | < 60 | 8–10 |
Application (g/m2) one side | 200 | 160 | 450 |
Closed assembly time (min) | 0 | 0 | 30 |
Pressure (MPa) | 0.8 | 0.8 | 0.8 |
Press time (h) | 10 | 10 | 10 |