Measured Data

Specific Heat

Experiments for specific heat [J/(kg K)], or heat capacity, were conducted using a heat flow meter on unconditioned and dried samples at 10 °C, 20 °C, 30 °C and 40 °C.

Unconditioned

Temperature (C) Specific Heat Mean (J/kg-K) Standard Deviation (J/kg-K)
10.0 1070.0 41.0
20.0 1099.0 41.0
30.0 1132.0 44.0
40.0 1147.0 40.0

Dried

Temperature (C) Specific Heat Mean (J/kg-K) Standard Deviation (J/kg-K)
10.0 853.0 31.0
20.0 876.0 33.0
30.0 896.0 37.0
40.0 924.0 37.0

Thermal Conductivity

Experiments for thermal conductivity [W/(m K)] were conducted using a heat flow meter on unconditioned and dried samples at 15 °C and either 45 °C or 65 °C.

Unconditioned

Temperature (C) Conductivity Mean (W/m-K) Standard Deviation (W/m-K)
15.0 0.125 0.003
45.0 0.127 0.003

Dried

Temperature (C) Conductivity Mean (W/m-K) Standard Deviation (W/m-K)
15.0 0.063 0.002
45.0 0.067 0.002

Mass Loss Rate (MLR)

Mass loss rate [g/s] was measured in cone calorimeter experiments at three heat fluxes: 25 kW/m2, 50 kW/m2, and 75 kW/m2.

Cone Calorimeter: 25 kW/m2

Cone Calorimeter: 50 kW/m2

Cone Calorimeter: 75 kW/m2

Heat Release Rate Per Unit Area (HRRPUA)

Experiments for heat release per unit area [kW/m2] were conducted on samples conditioned at 20°C and 50% relative humidity using a cone calorimeter at three different heat fluxes: 25 kW/m2, 50 kW/m2, and 75 kW/m2.

Cone Calorimeter: 25 kW/m2

25 kW/m² R1 25 kW/m² R2 25 kW/m² R3
Time to Sustained Ignition (s) 150.75 149.25 150.50
Time to Peak HRRPUA (s) 9.25 8.00 7.00
Peak HRRPUA (kW/m²) 88.11 103.50 99.16

Cone Calorimeter: 50 kW/m2

50 kW/m² R1 50 kW/m² R2 50 kW/m² R3
Time to Sustained Ignition (s) 31.25 29.25 29.00
Time to Peak HRRPUA (s) 6.50 8.25 8.00
Peak HRRPUA (kW/m²) 199.65 206.92 208.71

Cone Calorimeter: 75 kW/m2

75 kW/m² R1 75 kW/m² R2 75 kW/m² R3
Time to Sustained Ignition (s) 17.50 15.75 14.50
Time to Peak HRRPUA (s) 7.75 7.50 7.75
Peak HRRPUA (kW/m²) 227.68 206.76 208.82

Carbon Monoxide (CO) Yield

Carbon monoxide yield was measured during cone calorimeter experiments conducted at heat fluxes of 25 kW/m2, 50 kW/m2, and 75 kW/m2.

Incident Heat Flux [kW/m²] Mean CO Yield [g/g] CO Yield Std. Dev. [g/g]
25 0.018 0.004
50 0.005 0.0
75 0.004 0.0