Official Journal of the Japan Wood Research Society
From: Determination of high-temperature and low-humidity treatment time for larch boxed-heart timber
Drying stage | Moisture content range (%) | Dry-bulb temperature (°C) | Wet-bulb depressions (°C) | Treatment time (h) |
---|---|---|---|---|
Presteaming | 100 | 0 | 5 | |
HT–LH | 120 | 30 | 8,12,16 | |
1 | Above 40 | 45 | 3 | 48 |
2 | 40–30 | 45 | 4 | 72 |
3 | 30–25 | 50 | 6 | 96 |
4 | 8 | 48 | ||
5 | 25–20 | 55 | 8 | 72 |
6 | 20–15 | 60 | 10 | 48 |
7 | Below 15 | 60 | 14 | 72 |
8 | 65 | 14 | 48 |