Dielectric Constant Table

コンテンツ

Dielectric Constants of Various Substances

Name of Substance	Normal Condition	Dielectric Constant
ABS resin	Solid	2.4～4.1
acetate	Solid	3.2～7.0
acetic acid		6.2
acetone	Liquid	19.5
acetylcellulose	Solid	2.5～7.5
Acrylic nitrile resin	Solid	3.5～4.5
acrylic resin	Solid	2.7～4.5
air	Gas	1.000586
air (Liquid)	Liquid	1.5
alcohol	Liquid	16～31
alkyd resin	Liquid	5
Alumina coating	Solid	6～10
alumina oxide		2.14
alumina porcelain	Solid	8.0～11
alumino alkyd resin	Liquid	3.9
aluminum fluoride		2.2
aluminum hydroxide		2.2
alundum	Solid	3.2～3.4
amber		2.8～2.9
aminoalkyl resin	Liquid	3.9～4.2
ammonia	Gas	15～25
Aniline	Liquid	6.9
Aniline formaldehyde resin	Solid	4
aniline resin	Solid	3.4～3.8
aqueous solution		50～80
AS resin	Solid	2.6～3.1
asbestos	Solid	3～3.6
asphalt	Liquid	2.7
bakelite		4.5～5.5
bakelite varnish		3.5～4.5
Balm lees	Solid	3.1
barium nitrate		5.9
barium titanate		1200
beeswax	Solid	2.5～2.9
Bengala		2.6
benzene		2.3
benzine		2.3
benzine alcohol		13.1
beryl (parallel to optical axis)	Solid	6.08
beryl (perpendicular to the optical axis)	Solid	7.02
bismuth chloride	Solid	2.75
bone charcoal		5.0～6.0
borosilicate glass		4.0～5.0
butane		20
butyl rubber		2.5～3.5
butyrate		3.2～6.2
Bycor	Solid	3.8
calcite		8.3
calcium		3
calcium carbonate		1.58
calcium phosphate	Solid	1.9～3.2
calcium silicate		2.4～5.4
carbide flour	powder	5.8～7.0
carbolic acid		10
carbon dioxide (Liquid)	Liquid	1.6
carbon dioxide gas	gas	1.000985
carbon disulfide (Liquid)		2.6
carbon tetrachloride		2.2～2.6
carbonated soda		2.7
casein resin		6.1～6.8
cellophane		6.1～7.7
celluloid		4.1～4.3
cellulose		6.7～8.0
cellulose acetate		3.2～7.0
ceramics		4.4～7.0
chevy benzene		2.3
chlorinated paraffin	Liquid	2.27
chlorinated polyether resin	?	2.9
chlorine (Liquid)	Liquid	2
chloroform		4.8
chloronaphthalene		3.5～5.4
chloropyrene		6.0～9.0
chrome ore		8.0～10.0
chromite		4.0～4.2
clay (powder)	powder	1.8～2.8
coal tar		2.0～3.0
cocoa lees	powder	2.5～3.5
coffee grounds	powder	2.4～2.6
compound		3.6
corn meal		2.3～2.6
cotton	Solid	3～7.5
cotton seed oil	Liquid	3.1
cresol		11.8
crude oil (KW#9020.01%)	Liquid	2.428
crystal		4.6
crystal (melted)		3.5～3.6
dalsam		3.2
dextrin		2.2～2.4
diallelphthalate		3.8～4.2
diallelphthalate resin		3.3～6.0
diamond		16.5
dolomide		3.1
ebonite	Solid	2.5～2.9
epoxy resin	Liquid	2.5～6
ethanol	Liquid	24
ethyl acetate		6.4
ethyl cellulose	powder	2.8～3.9
ethyl ether	Liquid	4.3
ethylene chloride	Liquid	4.0～5.0
ethylene glycol	Liquid	38.7
ethylene oxide		4.0～5.0
ethylene resin	Solid	2.2～2.3
feed		3.0～5.0
feldspathic porcelain		5～7
Ferasto (powder)	powder	1.4~
Ferric oxide (powder)	powder	1.4～1.8
ferrochrome		1.5～1.8
ferromanganese		2.8～3.2
ferrosilicon		1.38
fiber		2.5～5
filling compound		3.6
Film flakes (black)		1.17～1.19
flexiglass		3.45
flour	powder	2.5～3.0
fluorite		6.8
Fluororesin		4.0～8.0
flux		3
fly ash		1.5～1.7
formalin		23
formic acid		58.5
forsterite porcelain		5.8～6.7
foundry		3.384～3.467
foundry sand	Solid	3.384～3.467
freon		2.2
Freon 11		2.2
furan resin		4.5～10.0
furfural resin		4.0～8.0
gasoline		2.0～2.2
glass		3.7～10.0
glass beads		3.1
glass drinks		2.0～2.5
Glass epoxy laminate		4.5～5.2
glass polyester laminate		4.2～5
Glass/silicon laminate		3.5～4.5
glucose		3.0～4.0
glycerin		47
glycol		35.0～40.0
grains	Solid	3.0～5.0
granulated gelatin		2.615～2.664
Granulated sugar (powder)	powder	1.5～2.2
graphite		12.0～13.0
gravel	Solid	5.4～6.6
Hard PVC resin		2.8～3.1
hard vinyl butyral resin		3.33
helium (Liquid)	Liquid	1.05
honey	Liquid	2.9
honey wax	Solid	2.9
hydrogen		1.000264
hydrogen (Liquid)	Liquid	1.2
ice	Solid	4.2
isobutyl alcohol	Liquid	17.7～18.0
isobutyl methyl ketone	Liquid	13.0～14.0
isooctane	Liquid	3.0～3.5
isophthalic acid	Solid	2.2
ivory		1.9
kerosene		1.8
lead nitrate		37.7
light oil	Liquid	1.8
Lime nitrate (powder)	powder	1.8～3.0
Linseed oil	Liquid	3.2～3.5
Magnesium sulfate (powder)	powder	2.7+
manganese dioxide		5.1
marble		3.5～9.3
margarine	Liquid	2.8～3.2
melamine formaldehyde resin		7.0～9.0
melamine resin	Solid	4.7～10.2
Meriken powder	powder	3.0～4.5
methacrylic resin	Solid	2.2～3.2
methanol	Liquid	33
methyl violet	Solid	4.6
mica	Solid	5.7～7.0

Name of Substance	Normal Condition	Dielectric Constant
naphtha		1.8
mica night	Solid	3.4～8.0
Micalex	Solid	6.5～9.5
microhexane		2
mineral oil		2～2.5
Muscovite	Solid	4.5～7.5
naphthalene		2.5
natural rubber		2.7～4.0
neoprene		6～9
nescafe powder		0.55-0.7 vibration
Nitrobenzene		36
nitrocellulose lacquer		6.7～7.3
nitrogen	gas	1.000606
nitrogen (Liquid)	Liquid	1.4
Nori (powder)		1.7～1.8
normal heptane		1.92
normal hexane		2
Nylon		3.5～5.0
nylon-6		3.5～4.0
Nylon-6-6		3.4～3.5
oil		2.0～2.2
oxygen		1.000547
Oxygen dioxide (Liquid)		2.6
P vinyl alcohol	Solid	1.8
paint		7.5
panadium dust		2.6
paper	Solid	2.0～2.5
Paper/phenol laminate		5.0～7.0
paraffin	Solid/Liquid	1.9～2.5
paraffin oil	Liquid	4.6～4.8
paraffin wax	Solid	2.1～2.5
PE cube	Solid	1.55～1.57
Phenol (lime acid)		9.78
phenol pellets	Solid	2.0～2.6
phenolic paper laminate		4.6～5.5
phenolic resin		3.0～12.0
phosphate rock	Solid	4
Pine oil	Liquid	2.5
Pine resin (powder)	powder	1.65
plaster		5.3
polyacetal resin		3.6～3.7
polyamide		2.5～2.6
polybutylene		2.2～2.3
polybutylene resin		2.25
polycarbonate		2.9～3
polycarbonate powder		1.58
polycarbonate resin		2.9～3.0
polyester pellets		3.2
polyester resin		2.8～8.1
polyethylene		2.3～2.4
Polyethylene (high pressure)		2.2
Polyethylene (low pressure)		2.3
polyethylene crosslinking		2.3～2.4
polyethylene oxide		7.8
polyethylene pellets		1.7
polyethylene terephthalate		2.9～3
polymethyl acrylate		4
polypropylene		2.0～2.3
polypropylene pellets		1.5～1.8
polypropylene resin		2.2～2.6
polystyrene		2.4～2.6
polystyrene		2.0～2.6
polystyrene pellets		1.5
Polysulfonic acid		2.8
polyurethane		5.0～5.3
polyvinyl alcohol		2
porcelain		4.0～7.0
pottery		5～7
powder aluminum	powder	1.6~
press board		2.0～5.0
Propionate		3.3～3.8
Propylene glycol		32
Provan (Liquid)	Liquid	1.6～1.9
PVA-E (sawdust-like)	Solid	2.23～2.30
PVC (powder)	powder	3.2～4
PVC granules	Solid	1.5～4.0
Pvc resin	Solid	5.8～6.4
Pyranol		4.4
pyrex	Solid	4.8
quartz		3.7～4.1
Quartz (dissolved)		3.5～4.5
quartz glass		3.5～4.0
rice flour	powder	3.5～3.7
rochelle salt	Solid	100～2000
Rubber (raw)		2.1～2.7
Rubber (vulcanized)		2.0～3.5
rubber glue		2.7～2.9
Ruby (parallel to optical axis)	Solid	11.28
Ruby (perpendicular to the optical axis)	Solid	13.27
salt	Solid	3.0～15.0
sand		3.0～5.0
Sarashiko		1.8～2.0
selenium		6.1～7.4
selenium		6.1～7.4
Sesame (granular)	Solid	1.8～2.0
sevin		1.6～2.0
shell sand		1.2
shellac		2.3～3.8
shellac varnish		2.8～4.7
sikelac varnish		2.8～4.7
Sikelak		2.3～3.8
silica alumina		2
silica sand		2.5～3.5
silicon		3.5～5.0
silicon		2.4
Silicon rubber		3.0～3.5
silicone resin		3.5～5
Silicone resin (Liquid)	Liquid	3.5～5.0
silicone varnish		2.8～3.3
silk		1.3～2
silver chloride	Solid	11.2
slate		6.6～7.4
snow	Solid	3.3
soda lime glass		6.0～8.0
Sodium aluminate	Liquid/Solid	5.2
sodium chloride	Solid	5.9
Sodium dichromate		2.9
Soft PVC resin		3.3～4.5
Soft vinyl butyral resin		3.92
soybean meal		2.7～2.8
soybean oil		2.9～3.5
steatite		5.3～6.8
steatite porcelain		6～7
styrene butadiene rubber		3.0～7.0
styrene resin		2.3～3.4
styrene resin		2.4～2.8
sugar	powder	3
sulfur	Solid	3.4
superphosphate stone		14.0～15.0
talc		1.6～2.0
Teflon (4F)		2
Terechuric acid		1.5～1.7
Terephthalic acid		Approximately 1.5 to 1.7
Tetrafluoroethylene resin	Solid	2
thinner		3.7
Thiokol		7.5
titanium dioxide		100
titanium oxide		83～183
titanium oxide porcelain		30～80
Tobacco (sliced)	Solid	1.5
Tokushir		1.45
toluene		2.3
Torikren		3.4
transformer oil		2.2～2.4
transformer oil		2.2
unsaturated polyester resin		2.8～5.2
urea		5～8
urea formaldehyde resin		6.0～9.0
urea resin		5.0～10.0
urea resin	Solid	3.4～6.9
Urethane	Solid	6.5～7.1
vacuum		1
vanadium sulfide	Solid	3.1
vaseline	paste	2.2～2.9
vinegar		37.6
vinyl acetate resin		2.7～6.1
vinyl alcohol		1.8～2.0
vinyl chloride resin	Solid	2.8～8.0
vinyl formal resin		3.0～3.7
vinylidene chloride resin	Liquid	3.0～5.0
water	Liquid	80
wheat	Solid	3.0～5.0
Wood (depending on moisture)	Solid	2.0～6.0
xylene		2.3
xylol		2.7～2.8
zinc oxide		1.7～2.5