Table 3.

Physical properties of biopolymers and synthetic polymers

Polymer	Melting temperature (°C)	Glass transition (°C)	Young’s modulus (GPa)	Elongation to break (%)	Tensile strength (MPa)	References
Polyhydroxybutyrate	175–180	4	3.5–4	3–11	11–40	[29, 47, 49, 74]
Biopol products (<28.4 % 3HV)	102	−8 to −9	–	–	–	[74]
P(3HB-11.8 % 3HHx)	143	−7	0.16	50.1	10.5	[47, 49]
High density polyethylene	112–132	–	0.4–1.0	12–700	18–33	[47, 74]
Low density polyethylene	88–100	−36	0.05–0.2	126–600	10–78	[29, 47, 74]
Polypropylene	170–176	−10	0.6–1.7	400–900	27–38	[29, 47, 49, 74]
Polystyrene	110–240	100	3.0–3.1	3–4	50	[47, 49]
Polyvinylchloride	100–260	82	3.4	20–80	10–60	[47]
UV degradable bag	–	–	0.7	384	24	[74]
6,6-Nylon	265	–	2.8	60	83	[47]