Related Resources: plastic
Properties of Plastic Materials
Plastics Engineering and Design
Engineering Materials and Design
Typical Engineering Properties of Plastics Materials
| Material |
Densitya
(lb/in3) |
Specific
Gravity |
Dielectric
Strength (V/mil) |
Coeff. of
Expansionb (10-6 in/in-°F) |
Tensile
Modulus (103 psi) |
| ABS, Extrusion Grade |
0.038
|
1.05
|
…
|
53.0
|
275
|
| ABS, High Impact |
0.037
|
1.03
|
…
|
…
|
200
|
| Acetal, 20% Glass |
0.056
|
1.55
|
…
|
…
|
1000
|
| Acetal, Copolymer |
0.051
|
1.41
|
380
|
47.0
|
437
|
| Acetyl, Homopolymer |
0.051
|
1.41
|
…
|
58.0
|
310
|
| Acrylic |
0.043
|
1.19
|
500
|
35.0
|
400
|
| Azdel |
0.043
|
1.19
|
500
|
15.0
|
750
|
| CPVC |
0.056
|
1.55
|
…
|
34.0
|
400
|
| Fiber Glass Sheet |
0.067
|
1.87
|
…
|
11.1
|
…
|
| Nylon 6, 30% Glass |
0.050
|
1.39
|
…
|
…
|
1350
|
| Nylon 6, Cast |
0.042
|
1.16
|
295
|
45.0
|
380
|
| Nylon 6 ⁄6, Cast |
0.047
|
1.30
|
…
|
…
|
…
|
| Nylon 6 ⁄6, Extruded |
0.041
|
1.14
|
600
|
45.0
|
390
|
| Nylon 60L, Cast |
0.042
|
1.16
|
…
|
…
|
…
|
| PET, unfilled |
0.049
|
1.36
|
1300
|
39.0
|
500
|
| PTFE (Teflon) |
0.079
|
2.19
|
480
|
50.0
|
225
|
| PVC |
0.050
|
1.39
|
500
|
29.5
|
550
|
| PVDF |
0.064
|
1.77
|
260
|
60.0
|
320
|
| Phenolics |
0.050
|
1.38
|
…
|
11.1
|
…
|
| Polycarbonate |
0.043
|
1.19
|
380
|
37.5
|
345
|
| Polyetherimide |
0.046
|
1.27
|
480
|
…
|
430
|
| Polyethylene, HD |
0.035
|
0.97
|
475
|
20.0
|
156
|
| Polyethylene, UHMW |
0.034
|
0.94
|
710
|
19.0
|
110
|
| Polymethylpentene |
0.030
|
0.83
|
…
|
…
|
220
|
| Polymid, unfilled |
0.051
|
1.41
|
560
|
…
|
300
|
| Polyphenylene Sulfide |
0.047
|
1.30
|
380
|
…
|
…
|
| Polypropylene |
0.033
|
0.91
|
600
|
96.0
|
155
|
| Polysulfone |
0.045
|
1.25
|
425
|
31.0
|
360
|
| Polyurethane |
0.038
|
1.05
|
…
|
…
|
…
|
| Material |
Izod Impact
(ft-lb/in of notch) |
Flexural
Modulus (ksi at 73°F) |
%
Elongation |
Hardnessc
|
Max.
Operating Temp. (°F) |
| ABS, Extrusion Grade |
7
|
300
|
…
|
105 Rr
|
200
|
| ABS, High Impact |
…
|
330
|
…
|
105 Rr
|
…
|
| Acetal, 20% Glass |
0.9
|
715
|
…
|
94 Rm
|
…
|
| Acetal, Copolymer |
2
|
400
|
13
|
94 Rm
|
…
|
| Acetyl, Homopolymer |
…
|
320
|
…
|
94 Rm
|
200
|
| Acrylic |
0.5
|
400
|
2.7
|
94 Rm
|
180
|
| Azdel |
14
|
800
|
2.1
|
94 Rm
|
311
|
| CPVC |
3
|
400
|
4
|
…
|
212
|
| Fiber Glass Sheet |
8
|
1
|
…
|
101 Rm
|
260
|
| Nylon 6, 30% Glass |
2.8
|
1400
|
…
|
119 Rr
|
…
|
| Nylon 6, Cast |
1.4
|
450
|
20
|
100 Rr
|
210
|
| Nylon 6 ⁄6, Cast |
…
|
…
|
…
|
…
|
…
|
| Nylon 6 ⁄6, Extruded |
1
|
…
|
240
|
118 Rr
|
230
|
| Nylon 60L, Cast |
2.2
|
…
|
…
|
…
|
…
|
| PET, unfilled |
0.5
|
400
|
70
|
…
|
230
|
| PTFE (Teflon) |
3
|
80
|
350
|
…
|
…
|
| PVC |
0.8
|
400
|
31–40
|
110 Rr
|
170
|
| PVDF |
3
|
200
|
80
|
100 Rr
|
180
|
| Phenolics |
2.4
|
1000
|
…
|
100 Rm
|
248
|
| Polycarbonate |
14
|
340
|
110
|
74 Rm
|
290
|
| Polyetherimide |
1.1
|
480
|
…
|
…
|
…
|
| Polyethylene, HD |
6
|
160
|
900
|
…
|
180
|
| Polyethylene, UHMW |
No Break
|
130
|
450
|
64 Rr
|
176
|
| Polymethylpentene |
2.5
|
…
|
…
|
…
|
…
|
| Polymid, unfilled |
1.5
|
…
|
…
|
…
|
…
|
| Polyphenylene Sulfide |
0.5
|
550
|
…
|
…
|
…
|
| Polypropylene |
0.75
|
200
|
120
|
92 Rr
|
150
|
| Polysulfone |
1.2
|
390
|
50
|
120 Rr
|
325
|
| Polyurethane |
…
|
…
|
465–520
|
…
|
…
|
a To obtain specific gravity, divide density in lb/in3 by 0.0361; for density in lb/ft3, multiply lb/in3 by 1728; for g/cm3, multiply density in lb/in3 by 27.68; for kg/m3, multiply density in lb/in3 by 27,679.9.
b To convert coefficient of expansion to 10-6 in/in-°C, multiply table value by 1.8.
c Hardness value scales are as follows: Rm for Rockwell M scale; Rr for Rockwell R scale.
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