Dielectric Constants of Various Materials

Material	Dielectric Constant
Air	1.00059
Aluminum Silicate	5.3 to 5.5
Bakelite	3.7
Beeswax (yellow)	2.7
Butyl Rubber	2.4
Formica XX	4.00
Germanium	16
Glass	4 to 10
Gutta-percha	2.6
Halowax oil	4.8
Kel-F	2.6
Lucite	2.8
Mica	4 to 8
Micarta 254	3.4 to 5.4
Mylar	3.1
Neoprene rubber	6.7
Nylon	3.00
Paper	1.5 to 3
Paraffin	2 to 3
Plexiglass	3.4
Polyethylene	2.2
Polystyrene	2.56
Porcelain	5 to 7
Pyrex glass	5.6
Quartz	3.7 to 4.5
Silicone oil	2.5
Steatite	5.3 to 6.5
Strontium titanate	233
Teflon	2.1
Tenite	2.9 to 4.5
Vacuum	1.00000
Vaseline	2.16
Water (distilled)	76.7 to 78.2
Wood	1.2 to 2.1

Dielectric Constants of Various Materials

Material

Dielectric Constant

Air

1.00059

Aluminum Silicate

5.3 to 5.5

Bakelite

3.7

Beeswax (yellow)

2.7

Butyl Rubber

2.4

Formica XX

4.00

Germanium

16

Glass

4 to 10

Gutta-percha

2.6

Halowax oil

4.8

Kel-F

2.6

Lucite

2.8

Mica

4 to 8

Micarta 254

3.4 to 5.4

Mylar

3.1

Neoprene rubber

6.7

Nylon

3.00

Paper

1.5 to 3

Paraffin

2 to 3

Plexiglass

3.4

Polyethylene

2.2

Polystyrene

2.56

Porcelain

5 to 7

Pyrex glass

5.6

Quartz

3.7 to 4.5

Silicone oil

2.5

Steatite

5.3 to 6.5

Strontium titanate

233

Teflon

2.1

Tenite

2.9 to 4.5

Vacuum

1.00000

Vaseline

2.16

Water (distilled)

76.7 to 78.2

Wood

1.2 to 2.1