State After mixing (%) The first round (50 to 15 C) (%) The second round (50 to 15 C) (%)
Without propylene glycol and glycerol T 85.3 ± 0.3 46.5 ± 2.2 58.1 ± 2.7
5% Propylene glycol T 86.1 ± 2.4 70.4 ± 2.5 65.2 ± 1.4
20% Propylene glycol T 84.9 ± 2.2 60.0 ± 2.3 62.8 ± 3.8
50% Propylene glycol T 68.3 ± 2.1 51.2 ± 1.0 47.0 ± 3.6
5% Propylene glycol and 5% glycerol T 79.2 ± 1.1 50.7 ± 1.3 56.8 ± 0.9
20% Propylene glycol and 5% glycerol T 72.2 ± 1.6 35.8 ± 2.4 45.0 ± 1.2