New Mortar Mixes with Chemically Depolymerized Waste PET Aggregates

Table 3

Thermal conductivity and thermal diffusivity values of the seven mixtures investigated.

Cement paste	Sand type	Sand (%)	DPET (%)	Specific weight ρ (kg/m^3)	Thermal conductivity (W/mK)	Thermal diffusivity (m^2/s) x 10^−8
1	Normalized	100	—	2100	2.02 ± 0.05	1.10 ± 0.08
2	Normalized	70	30	1950	1.45 ± 0.10	0.892 ± 0.05
3	Unnormalized	100	—	1960	0.99 ± 0.06	0.608 ± 0.1
4	Unnormalized	80	20	1812	0.627 ± 0.02	0.426 ± 0.03
5	Unnormalized	60	40	1636	0.57 ± 0.02	0.38 ± 0.05
6	Unnormalized	40	60	1494	0.42 ± 0.09	0.518 ± 0.06
7	Unnormalized	20	80	1451	0.35 ± 0.01	0.35 ± 0.02