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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