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Plastics, Resins, and Phenolics

Longitudinal Velocity

Shear
Velocity

Density

g/cm3

Acoustic Impedance

g/cm2-sec
x105

cm/µs

in/µs

cm/µs

in/µs

Acrylic Resin

.267

.1051

.112

.0441

1.18

3.151

Bakelite

.259

.102

N/A

N/A

1.40

3.626

Bakelite (cloth filled)

.271

.1067

N/A

N/A

N/A

N/A

Cellulose Acetate

.245

.0965

N/A

N/A

1.30

3.185

Hysol

.277

.1091

N/A

N/A

N/A

N/A

Kel-F

.179

.0705

N/A

N/A

N/A

N/A

Lucite

.268

.1055

.126

.0496

1.18

3.1624

Micarta Linen base

.3

.1181

N/A

N/A

N/A

N/A

Nylon 6,6

.168

.0661

N/A

N/A

N/A

N/A

Nylon

.262

.1031

N/A

N/A

N/A

N/A

Phenolic

.142

.0559

N/A

N/A

1.34

1.903

Plexiglass (a) UVA

.276

.1087

N/A

N/A

1.27

3.505

(b) UVAII

.273

.1075

.143

.0563

1.18

3.221

Polyethylene

.267

.1051

N/A

N/A

1.10

2.937

Polyethylene TCI

.16

.063

N/A

N/A

N/A

N/A

Polyimide (Vespel SP-1)

.244

.0961

N/A

N/A

1.48

3.61

Polystyrene

.267

.1051

N/A

N/A

1.10

2.937

Polystyrol

.15

.0591

N/A

N/A

N/A

N/A

Refrasil

.375

.1476

N/A

N/A

1.73

6.488

Teflon

.135

.0531

N/A

N/A

2.20

2.97

Data compiled by Xactex Corporation.  Sources of original data are unknown.

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