Table 2 Retentions of the single components in the 5 formulations
From: Tannin-caprolactam and Tannin-PEG formulations as outdoor wood preservatives: biological properties
Formulation | Wet retention (kg/m3) (SD%) | Dry retention (kg/m3) (SD%) | Tannin retention (kg/m3) | Boron retention (kg/m3) |
|---|---|---|---|---|
Free boric acid | 778.61 (2.58) | −0.94 | – | 0.592 |
Tannin-boron 10% | 788.28 (1.00) | 77.11 (1.12) | 76.70 | 0.684 |
Tannin-boron 20% | 669.63 (8.68) | 127.66 (10.53) | 128.03 | 1.138 |
Caprolactam-tannin-boron | 772.18 (1.82) | 211.76 (2.02) | 62.85 | 0.560 |
PEG-tannin-boron | 778.59 (1.71) | 150.63 (2.86) | 75.68 | 0.675 |