Polymer Melting temperature (°C) Young’s modulus (GPA) Tensile strength (MPa) ELASTICITY (%)
P(3HB) 175-180 3.5–4 40 3–8
P(4HB) 53 149 104 n.a.
P(3HB-co-3HV) (3 mol% HV) 170 2.9 38 n.a.
P(3HB-co-3HV) (20 mol% HV) 145 1.2 32 50–100
P(3HB-co-4HV) (3 mol% HV) 166 n.a. 28 45
P(3HB-co-4HV) (10 mol% HV) 159 n.a. 24 242
P(3HO) 61 n.a. 6–10 300–450
Polystyrene (PS) 80–110 3.0–3.1 50 3–4
Polypropylene (iPP) 176 1.7 34.5 400
Nylon-6,6 265 2.8 83 60
Table 2: A comparison between the physical properties of different PHA’s and commonly used conventional polymers.