| |
Mechanical, Thermal, Electrical Properties of Popular Plastic Materials
Looking for more detail on a material? Click here
Typical Property Data to Compare Types of Plastics |
Property
|
Units
|
ABS |
Noryl |
Noryl 30% glass filled |
Nylon MD |
Nylatron,
Unfilled®
|
Nylon NSM |
Nylon GSM |
HDPE |
UHMW |
LDPE |
Polysulfone |
Polypropylene |
Acetal |
PVC
Type 1 |
PBT
|
PEEK |
PTFE |
Polycarbonate
|
Acrylic |
Water Absorption (24 Hours) |
%
|
0.3 |
.07 |
.06 |
1.2 |
1.2
|
.25 |
1.2 |
.03 |
.01 |
|
.30 |
.008 |
.25 |
.10 |
.07 |
.15 |
- |
.02 |
.03 |
Water Absorption (Saturation) |
% |
0.7 |
.20 |
- |
6.5 |
9.0 |
7.0 |
6.5 |
|
.01 |
|
- |
- |
.90 |
- |
- |
- |
- |
- |
- |
Tensile Strength (73 F) |
PSI
|
6,500 |
9,600 |
17,800 |
12,500 |
12,400
|
11,000 |
12,500 |
4,600 |
4,750 |
|
|
4,800 |
10,000 |
7,000 |
9,400
7,200L |
14,500 |
3,350 |
10,500 |
10,000 |
Flexural Strength (73 F) |
PSI
|
11,000 |
13,500 |
20,000 |
16,400 |
14,000
|
16,000 |
16,400 |
1,400 |
3,500 |
|
|
7,000 |
14,300 |
12,500 |
- |
24,650 |
no break |
12,000 |
17,000 |
Compressive Strength
(10% Deflection) |
PSI
|
6,750 |
- |
- |
10,000 |
12,000
|
14,000 |
10,000 |
4,570 |
- |
|
4,000 |
6,720 |
18,000 |
10,830 |
- |
17,000 |
- |
11,000 |
|
Shear Strength (73 F) |
PSI
|
- |
- |
- |
11,000 |
9,600
|
10,000 |
11,000 |
3,380 |
- |
|
|
5,710 |
9,500 |
9,240 |
- |
7,690 |
- |
9,200 |
|
Impact Strength, Notched Izod
(73 F) |
Ft-Lbs/In.
|
- |
5.0 |
2.3 |
.8 - 1.0 |
1.2
|
0.5 |
.8 - 1.0 |
3 |
no break |
|
1.2 |
1.9 |
1.5 |
1.3 |
.7 |
1.6 |
- |
13 |
.9 |
Elongation at Break (73 F) |
%
|
20 |
30 |
- |
50 |
90
|
20 |
50 |
55 |
325 |
|
|
- |
60 |
25 |
- |
50 |
210 |
100 |
5 |
Tensile Modulus of Elasticity (73 F) |
PSI
|
320,000 |
350,000 |
- |
400,000 |
400,000
|
410,000 |
400,000 |
170,000 |
90,000 |
|
360,000 |
190,000 |
450,000 |
410,000 |
420,000
380,000L |
580,000 |
70,000 |
320,000 |
|
Flexural Modulus of Elasticity
(73 F) |
PSI
|
330,000 |
360,000 |
1,100,000 |
400,000 |
410,000
|
475,000 |
400,000 |
200,000 |
110,000 |
|
390,000 |
180,000 |
425,000 |
420,000 |
420,000
390,000L |
594,500 |
100,000 |
375,000 |
400,000 |
Hardness - Rockwell & Burnell
(73 F) |
Various
Scales
|
R105 |
R119 |
L108 |
R120 |
R120
|
R110 |
R120 |
D69 |
R64 |
|
R92 |
R92 |
R120 |
R112 |
- |
R126 |
R15 |
R118 |
M-93 |
Density |
Lbs/cubic In
|
0.037 |
.039 |
.049 |
0.041 |
0.0415
|
0.0415 |
.0418 |
.034 |
.034 |
|
|
.032 |
.051 |
0.053 |
.0473 |
.047 |
.079 |
.043 |
.044 |
Coefficient of Friction (Dynamic) |
None
|
- |
.39 |
- |
.35 |
0.35
|
.18 |
.35 |
|
.12 |
|
|
- |
.25 |
- |
.25
.11 L |
.34 |
0.07 |
- |
|
Wear Factor (K) |
In-min/
Ft-Lbs-Hr
|
- |
- |
- |
8 |
72
|
|
83 |
|
111 |
|
|
- |
216 |
- |
210
38 L |
200 |
- |
- |
|
Limiting PV |
PSI/
FPM
|
- |
- |
- |
3,000 |
2,700
|
12,300 |
3,000 |
|
2,000 |
|
|
- |
2,700 |
- |
6,000
15,700 L |
20,000 |
- |
- |
|
Abrasion Resistance Index |
None
|
- |
- |
- |
- |
54
|
- |
- |
|
10 |
|
|
- |
137 |
- |
- |
55 |
78 |
- |
- |
Coefficient of Linear Thermal Expansion |
In/In/F
|
4.0x105 |
3.3x105 |
1.4x105 |
5.0x105 |
5.0x105
|
5.9x103 |
5.0x105 |
1.25x104 |
7.2x105 |
|
3.1 x 105 |
1.20x104 |
5.0x105 |
7.3x105 |
- |
2.6x105 |
6.5x105 |
3.9 x 105 |
1.3 x 104 |
Continuous Service Temperature - in Air (max.) |
F
|
185 |
220 |
220 |
212 |
212
|
200 |
212 |
180 |
160 |
|
|
- |
180 |
160 |
221 |
480 |
500 |
475 |
180 |
Deflection Temperature (264 PSI) |
F
|
220 |
265 |
265 |
200 |
194
|
200 |
200 |
151 |
116 |
|
345 |
- |
260 |
154 |
200 |
320 |
115 |
539 |
- |
Melting Point |
F
|
- |
310 |
310 |
430 |
491
|
420 |
430 |
|
- |
|
|
- |
347 |
360 |
- |
640 |
621 |
- |
- |
Deformation Under Load
(2000 PSI, 122 F) |
%
|
- |
- |
- |
.75 |
2.0
|
- |
.75 |
|
7 |
|
|
- |
.60 |
- |
- |
- |
5 |
- |
- |
Dielectric Strength |
Volts/
Mil
|
450 |
500 |
530 |
550 |
400
|
- |
550 |
500 |
- |
|
425 |
- |
380 |
552 |
- |
- |
- |
840 |
|
Dielectric Constant (1 kHz) |
None
|
2.87 |
- |
- |
3.7 |
4.1
|
- |
3.7 |
|
- |
|
|
- |
3.7 |
- |
- |
- |
- |
4.4 |
3 |
Dielectric Constant (1 MHz) |
None
|
- |
- |
- |
3.7 |
4.0
|
- |
3.7 |
|
- |
|
|
- |
3.7 |
- |
- |
- |
- |
4.2 |
3 |
Dielectric Constant (60 Hz) |
None
|
- |
2.7 |
3.2 |
3.7 |
3.4
|
- |
3.7 |
2.65 |
2.3 |
|
3.15 |
2.3 |
3.7 |
4.0 |
- |
3.3 |
- |
- |
3 |
Volume Resistively |
Ohm-CM |
|
10-17 |
10-17 |
|
|
|
|
1x1015
|
|
|
|
1x1017 |
|
|
|
|
|
6 x 1016 |
- |
|