Table 1.

DMA results for PLA.

T (°C)	30	40	50	52	54	56	60	62	64	66	68
Storage module	0.0524	0.055	0.0540	0.0561	0.0701	0.1134	0.2116	0.383	0.6753	1.2890	1.2295
tan(δ)	3.3510	3.288	3.1880	3.1682	3.1402	3.0777	2.6378	2.0433	1.2807	0.5393	0.1459
T (°C)	70	72	74	76	78	80	82	84	88	90	93
Storage module	0.9875	0.658	0.434	0.3292	0.2758	0.2483	0.221	0.1398	0.0774	0.0723	0.1248
tan(δ)	0.030	0.026	0.0218	0.0138	0.0117	0.0117	0.0117	0.0117	0.0117	0.0117	0.030

The peak in the graph of tan(δ) shows the glass transition temperature that is read as $T_g=66$ °C.