Polymer	Dielectric Constant 50Hz	Dielectric Constant 1Mhz	Dielectric Strength (Kv/cm)	Dissipation Factor (x10^-3) 50Hz	Dissipation Factor (x10^-3) 1Mhz
LDPE	2.29	2.28	370	.15	.08
HDPE	2.35	2.34	--	.24	.20
PP	2.27	2.25	240	.40	.50
PVC-plasticized	4-8	4-5	270	80	120
PS-polystyrene	2.5	2.5	200-300	.1-.4	.05-.4
ABS	2.4-5	2.4-3.8	~400	3-8	2-15
PMMA-Plexiglass	3.3-3.9	2.2-3.2	140	40-60	4-40
POM	3.7	3.7	400	5	5
PTFE-Teflon	2.1	2.1	480	.2	.2
PCTFE	2.3-2.8	2.3-2.5	550	1	20
PA-6-Nylon 6	3.8	3.4	400	10	30
PA-66-Nylon 66	8	4	600	140	80
PC-Lexan	3.0	2.9	380	.7	10
PET-Mylar	4.0	4.0	420	2	20
PI	3.5	3.4	560	2	5
PUR-linear	5.8	4.0	>300	120	70
PUR-thermoset	3.6	3.4	240	50	50
PUR-thermoplas	6.6	5.6	300	30	60
CAB	3.7	3.5	400	6	21
Silicone	3.6		200	5-13	7
Pure Mineral Oil	2.2		79