Table 1.

λ values (W·m^−1·K⁻¹) of common bulk polymers.

Polymers	$\mathit{\lambda }$	Polymers	$\mathit{\lambda }$
High-density polyethylene	0.44	Poly(butylene terephthalate)	0.29
Low-density polyethylene	0.26	Epoxy resin	0.23
Polyphenylene sulfide	0.29	Polyetheretherketone	0.25
Polymethylmethacrylate	0.21	Polyvinyl chloride	0.21
Polyurethane	0.21	Nylon-6	0.28
Polyimide	0.27	Polyacrylonitrile	0.26
Phenolic resin	0.25	Polycarbonate	0.23
Polypropylene	0.21	Polystyrene	0.20