APG
technic
al r
efer
enc
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T
15
“Providing tailored solutions for measurement applications.â€
Automation Products Group, Inc.
1025 West 1700 North
Tel. 1/888/525-7300
Logan, UT 84321 USA
Fax 1/435/753-7490
w w w . a p g s e n s o r s . c o m
s a l e s @ a p g s e n s o r s . c o m
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Dielectric Constants
Medium
Dielectric Constant
ABS pellet
1.5-2.5
Acetone
19.5-20.0
Acrylic resin
2.7-6.0
Air
1.0
Alcohol, industrial
16.0-31.0
Aluminum powder
1.6-1.8
Aluminum sulfate
6.0
Ammonia
15.0-25.0
Aniline
6.9
Aqueous solutions
50.0-80.0
Asphalt
2.5-3.2
Bakelite
3.6
Benzene, liquid
2.3
Cable sealing compound 2.5
Calcium carbonate
1.8-2.0
Calcium oxide
11.8
Calcium sulfate
5.6
Carbon dioxide
1.0-1.6
Carbon tetrachloride
2.2
Celluloid
3.0
Cement powder
1.5-4.0
Cereal
3.0-5.0
Chlorine liquid
2.0
Coal powder
1.2-1.8
Coffee powder
2.4-2.6
Coke
1.1-2.2
Corn, refuse
2.3-2.6
Ebonite
2.7-2.9
Epoxy resin
2.5-6.0
Ethyl alcohol
24.0
Ethylene glycol
38.7
Flour
1.5-3.0
Flyash
1.5-1.7
Freon R22 & 502 (liquid) 6.11
Dielectric Constants
Medium
Dielectric Constant
Gasoline
2.2
Glass, raw material
2.0-10.0
Glycerine
47.0
Grain
3.0-8.0
Granulated sugar
1.5-2.2
Hard paper
4.5
Heavy oil
2.6-3.0
Hexane, liquid
5.8-6.3
Hydrochloric acid
4.0-12.0
Iron oxide
14.2
Liquid nitrogen
1.4
Kerosene
2.8
Marble
8.0-8.5
Melamine resin
4.7-10.2
Mica
5.7-6.7
Milk powder
3.5-4.0
Mineral oil
2.1
Nitrobenzene
36.0
Nylon
4.0-5.0
Oil saturated paper
4.0
Paint
5.0-8.0
Paraffin
1.9-2.5
Paper
1.6-2.6
PE pellet
1.5
Perspex
3.2-3.5
Petroleum
2.0-2.22
Phenol resin
4.0-12.0
Polyacetal
3.6-3.7
Polyamide
5.0
Polyester resin
2.8-8.1
Polystyrene
3.0
Polyvinyl chloride resin 2.8-3.1
Porcelain
4.4-7.0
Potassium chloride
4.6
Medium
Dielectric Constant
PP pellet
1.5-1.8
Press board
2.0-5.0
PVC powder
1.4
Quartz glass
3.7
Rice
3.0-8.0
Rubber, raw
2.1-35
Salt
6.0
Sand
3.0-5.0
Shellac
2.5-4.7
Shell lime
1.2
Silicon varnish
2.8-3.3
Soap powder
1.2-1.5
Sodium sulfite
5.0
Soybean oil
2.9-3.5
Starch
2.0-5.0
Styrene resin
2.3-3.4
Sugar
3.0
Sulfuric acid
84.0
Sulphur
3.4
Teflon
2.0
Toluene liquid
2.0-2.4
Transformer oil
2.2
Turpentine oil
2.2
Urea resin
5.0-8.0
Urethane
6.5-7.1
Vaseline
2.2-7.0
Vegetable oil
2.5-3.5
Water
48.0-80.0
Wheat powder
2.5-3.0
Wood, dry
2.0-7.0
Wood, wet
10.0-30.0
Xylene liquid
2.2-2.6