Table 1

Polymer	T_m (°C)	T_g (°C)	Young’s Modulus (GPa)	Tensile Strength (MPa)	Elongation to break (%)	Reference
PHB	177	4	3.5	43	5	[129,130]
P(HB-co- 10mol% HHx)	127	-1	nda	21	400	[129]
P(HB-co- 12mol% HHx)	103	-2	0.5	10	130	[131]
P(HB-co- 15mol% HHx)	115	0	nd^a	23	760	[129]
P(4HB)	53	-48	0.15	104	1000	[132]
P(3HB-co- 12 mol% 4HB)	124	-4	0.54	25	630	[131]
LDPE^b	130	-30	0.2	10	620	[130]
Polypropylene	176	-10	1.7	38	400	[130]
Polystyrene	240	100	nd^a	nd^a	nd^a	[130]

and = not determined in the indicated study
bLow density polyethylene

Table 1: Thermal and mechanical properties of PHA polymers and petrochemical polymers.