Table of Properties
Non-Metallic Materials
Typical Approximate Values
|
|
Delrin
|
Vulcanized Fibre
|
Glass Epoxy G10
|
Glass Melamine G9
|
Glass SIlicone G7
|
Kapton
|
PCTFE
|
Mica
|
Dielectric Strength/v/mill
(short time)
|
400-465
|
150-250
|
400
|
350
|
350-400
|
7,000
|
530
|
3,000-6,000
|
|
Dielectric Constant @ 1000 kc
|
3.7
|
4-7
|
5.4
|
7.5
|
4.2
|
3.5
|
2.4
|
6.5-8.7
|
|
Power Factor @ 1000 kc
|
—
|
0.03-0.08
|
0.015
|
0.08
|
—
|
—
|
—
|
0.0005
|
|
Tensile Strength (psi)
|
10,000
|
6,000-12,000
|
35,000
|
37,000
|
18,000-23,000
|
25,000
|
4,600-5,700
|
—
|
|
Shear Strength (psi)
|
—
|
11,000-15,000
|
19,000
|
—
|
17,000
|
—
|
5,800
|
—
|
|
Compressive Strength (psi)
|
18,000
|
20,000-30,000
|
55,000(flat)
|
65,000(flat)
|
245,000
|
—
|
32,000-80,000
|
—
|
|
Elongation (%)
|
30
|
—
|
—
|
—
|
—
|
70
|
150
|
—
|
|
Flexural Strength (psi)
|
14,000
|
12,000-20,000
|
80,000(flat)
|
65,000(flat)
|
20,000-23,000
|
—
|
8,200
|
—
|
|
Modules of Elasticity (psi)
|
350,000
|
750,000
|
2,200,000
|
2,300,000
|
1,200,000
|
—
|
180,000
|
25,000,000
|
|
Hardness
|
R118
|
R60-100
|
M 100
|
M 120
|
M 100
|
—
|
R113
|
80-150 SDH
|
|
Specific Gravity
|
1.42
|
1.0-1.5
|
1.8
|
1.9
|
1.7
|
1.42
|
2.1
|
2.6-3.2
|
Thermal Conductivity
(BTU/hr/ft²/°F/ft)
|
—
|
0.25
|
0.17
|
0.29
|
0.17
|
0.09
|
0.15
|
—
|
|
Specific Heat (BTU/lb/°F)
|
—
|
0.37
|
—
|
0.26
|
—
|
0.26
|
0.22
|
0.207
|
|
Resistance to Continuous Heat °F
|
212
|
212
|
280
|
300
|
460
|
750
|
390
|
1,050
|
|
Water Absorbtion %
|
0.12
|
15-25
|
0.15
|
0.2
|
0.2-0.3
|
2.9
|
0.005
|
4.5
|
|
|
Mylar
|
Neoprene
|
Nylon
|
Phenolic
|
Polyethylene
(High-Density)
|
PVC
|
Santoprene
|
Teflon
|
|
Pure
(1)
|
Moly-Sulfide (M)
|
LE
|
CE
|
XXXP
|
|
Dielectric Strength/v/mill
(short time)
|
4,000
|
—
|
385
|
356
|
225
|
225
|
325
|
460
|
425
|
—
|
480
|
|
Dielectric Constant @ 1000 kc
|
3
|
—
|
3.4
|
—
|
—
|
—
|
4.30 Avg.
|
2.3
|
3.4
|
—
|
2
|
|
Power Factor @ 1000 kc
|
0.016
|
—
|
0.04
|
—
|
5.2
|
5.5
|
3.2
|
<.0005
|
—
|
—
|
<.0005
|
|
Tensile Strength (psi)
|
20,000
|
1,500
|
10,500
|
12,300
|
10,000-14,000
|
9,000-12,000
|
13,500
|
3,100-5,500
|
5,900-7,500
|
640
|
800
|
|
Shear Strength (psi)
|
—
|
—
|
9,600
|
—
|
11,000-15,000
|
11,000-15,000
|
7,000
|
—
|
—
|
—
|
—
|
|
Compressive Strength (psi)
|
—
|
—
|
13,000
|
—
|
37,000(flat)
|
37,000(flat)
|
36,000(flat)
|
2,500
|
10,000
|
—
|
1,700
|
|
Elongation (%)
|
75
|
300
|
90
|
5-150
|
—
|
—
|
—
|
15-100
|
2.0-4.0
|
330
|
110
|
|
Flexural Strength (psi)
|
—
|
—
|
13,800
|
18,000
|
20,000(flat)
|
16,000(flat)
|
19,000(flat)
|
4,000
|
13,000
|
—
|
—
|
|
Modules of Elasticity (psi)
|
—
|
—
|
400,000
|
575,000
|
1,000,000
|
1,000,000
|
1,000,000
|
150,000
|
600,000
|
—
|
58,000
|
|
Hardness
|
—
|
50-70 SHA
|
R115
|
R115
|
M 113
|
M 108
|
M 110
|
60-70 SDH
|
65-85 SDH
|
55 SDH
|
50-70 SDH
|
|
Specific Gravity
|
1.38
|
1.23
|
1.14
|
1.16
|
1.33
|
1.36
|
1.35
|
.941-.965
|
1.46
|
0.99
|
2.1-2.3
|
|
Thermal Conductivity
(BTU/hr/ft²/°F/ft)
|
0.09
|
—
|
0.14
|
—
|
0.17
|
0.17
|
0.17
|
—
|
—
|
—
|
0.15
|
|
Specific Heat (BTU/lb/°F)
|
—
|
—
|
0.4
|
—
|
0.4
|
0.4
|
—
|
—
|
—
|
—
|
0.25
|
|
Resistance to Continuous Heat °F
|
300
|
175
|
300
|
400
|
250
|
250
|
250
|
250
|
160
|
212
|
500
|
|
Water Absorbtion %
|
<0.5
|
—
|
1.5
|
1.5
|
1.3
|
1.6
|
0.8
|
<0.015
|
0.07-0.4
|
—
|
0.005
|
This data has been obtained from numerous sources. While it is believed to be correct,
we cannot assume responsibility for its use
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