Landscape mulch | Mulch particle size grade | Bulk density (g/cm3) | Thermal conductivity at 38°C (100°F) (W/m°C) | Albedo |
---|---|---|---|---|
LTT | Approx. 1.9 cm (0.76 in) minus unscreened | 0.24 ±0.08 | 0.05 ± 0.002 | 0.16 ±0.003 |
PPR | 1.9 cm (0.76 in) minus screened | 0.25 ±0.08 | 0.05 ± 0.002 | 0.16 ±0.003 |
DG | 0.9 cm (0.36 in) minus screened | 1.69 ± 0.07 | 0.18 ±0.007 | 0.20 ± 0.003 |