http://hypertextbook.com/physics/electricity/dielectrics/Диелектрична константа на материали (около 300 келвина, ако не е посочено)
material κ
air 1.005364
quartz, crystalline (∥) 4.60
acetic acid 6.2
quartz, crystalline (⊥) 4.51
alcohol, ethyl (grain) 24.55
quartz, fused 3.8
alcohol, methyl (wood) 32.70
rubber, butyl 2.4
amber 2.8
rubber, neoprene 6.6
asbestos 4.0
rubber, silicone 3.2
asphalt 2.6
rubber, vulcanized 2.9
bakelite 4.8
salt 5.9
calcite 8.0
selenium 6.0
calcium carbonate 8.7
silicon 11.8
cellulose 3.7 - 7.5
silicon carbide (αSiC) 10.2
cement ~2
silicon dioxide 4.5
cocaine 3.1
silicone oil 2.7 - 2.8
cotton 1.3
soil 10 - 20
diamond, type I 5.87
strontium titanate, +25 °C 332
diamond, type IIa 5.66
strontium titanate, –195 °C 2080
ebonite 2.7
sulfur 3.7
epoxy 3.6
tantalum pentoxide 27
flour 3 - 5
teflon 2.1
freon 12, -150 °C (liquid) 3.5
tin antimonide 147
freon 12, +20 °C (vapor) 2.4
tin telluride 1770
germanium 16
titanium dioxide (rutile) 114
glass 4 - 7
tobacco 1.6 - 1.7
glass, pyrex 7740 5.0
uranium dioxide 24
gutta percha 2.6
vacuum 1 (exactly)
jet fuel (jet a) 1.7
water, ice, –30 °C 99
lead oxide 25.9
water, liquid, 0 °C 87.9
lead magnesium niobate 10,000
water, liquid, 20 °C 80.2
lead sulfide (galena) 200
water, liquid, 40 °C 73.2
lead titanate 200
water, liquid, 60 °C 66.7
lithium deuteride 14.0
water, liquid, 80 °C 60.9
lucite 2.8
water, liquid, 100 °C 55.5
mica, muscovite 5.4
wax, beeswax 2.7 - 3.0
mica, canadian 6.9
wax, carnuba 2.9
nylon 3.5
wax, paraffin 2.1 - 2.5
oil, linseed 3.4
waxed paper 3.7
oil, mineral 2.1
oil, olive 3.1
oil, petroleum 2.0 - 2.2
oil, silicone 2.5
oil, sperm 3.2
oil, transformer 2.2
paper 3.3, 3.5
plexiglas 3.1
polyester 3.2 - 4.3
polyethylene 2.26
polypropylene 2.2 - 2.3
polystyrene 2.55
polyvinyl chloride (pvc) 4.5
porcelain 6 - 8
potassium niobate 700
potassium tantalate niobate, 0 °C 34,000
potassium tantalate niobate, 20 °C 6,000
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Пробиви в диелектрици (при напрежение МВ/м) : кВ/мм
Материал ------ Поле (MV/m)
въздух ------ 3
хартия ------ 14, 16
кехлибар ------ 90
полиетилен ------ 50, 500-700, 18
бакелит ------ 12, 24
полиестер (polystyrene) ------ 24, 25, 400-600
диамант, type IIa ------ 10
polyvinyl chloride (PVC) ------ 40
стъкло, pyrex 7740 ------ 13, 14
порцелан ------ 4, 12
слюда, muscovite ------ 160
кварц, fused ------ 8
найлон ------ 14
гума, неопрен ------ 12, 12
масло, силикон ------ 15
strontium titanate ------ 8
масло, трансформаторно ------ 12, 27
тефлон ------ 60
титаниев тиоксид (rutile) ------ 6
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