Mechanical Properties of Normal Plastics

Plastic Description Tensile Yield
(0.125 in2)
Flexural Strength Flexural Modulus Izod Impact Strength
(Notched)
Heat Deflection
Under Load
Density
(lb/in3)
ABS Common thermoplastic with good impact resistance and toughness. 6,500 psi
(45 MPa)
11,700 psi
(80 MPa)
380,000 psi
(2,620 MPa)
5.5 ft-lb/in
(292 J/m)
190°F
(88°C)
0.0379 lb/in3
(1.05 g/cc)
PP Thermoplastic polymer used for a wide number of applications. 4,900 psi
(35 MPa)
26,100 psi
(180 MPa)
210,000 psi
(1,450 MPa)
0.6 ft-lb/in
(32 J/m)
219°F
(102°C)
0.0324 lb/in3
(0.90 g/cc)
POM Dimensionally stable thermoplastic with high stiffness and low friction. 10,000 psi
(70 MPa)
14,000 psi
(100 MPa)
450,000 psi
(3,100 MPa)
1.41 ft-lb/in
(75 J/m)
216°F
(102°C)
0.0513 lb/in3
(1.42 g/cc)
PC Thermoplastic material with good temperature resistance and impact strength. 9,000 psi
(62 MPa)
18,000 psi
(124 MPa)
340,000 psi
(2,335 MPa)
15 ft-lb/in
(795 J/m)
290°F
290°F
0.0434 lb/in3
(1.20 g/cc)
PC+ABS Blend of PC and ABS that creates strong parts for a variety of applications. 8,000 psi
(55 MPa)
13,000 psi
(90 MPa)
370,000 psi
(2,550 MPa)
13 ft-lb/in
(689 J/m)
202°F
(94°C)
0.0415 lb/in3
(1.15 g/cc)
PVC PVC is a polymer with good insulation properties, high hardness, and good mechanical properties. 4,500 psi
(31 MPa)
7,150 psi
(50 MPa)
275,000 psi
(1,900 MPa)
15 ft-lb/in
(795 J/m)
226°F
(108°C)
0.0487 lb/in3
(1.35 g/cc)
Nylon Polymer material that is durable with high elongation and good abrasion resistance. 8,400 psi
(58 MPa)
9,430 psi
(65 MPa)
175,000 psi
(1,200 MPa)
2.1 ft-lb/in
(111 J/m)
190°F
(88°C)
0.0411 lb/in3
(1.14 g/cc)
Nylon 30% Glass Fiber Polymer with excellent mechanical stiffness and elevated temperature resistance. 18,000 psi
(125 MPa)
29,000 psi
(200 MPa)
900,000 psi
(6,200 MPa)
2.5 ft-lb/in
(133 J/m)
380°F
(193°C)
0.0498 lb/in3
(1.38 g/cc)
PMMA Material with resistance to breakage often used for transparent applications. 9,400 psi
(65 MPa)
8,500 psi
(58 MPa)
250,000 psi
(1,725 MPa)
1.0 ft-lb/in
(53 J/m)
181°F
(83°C)
0.0422 lb/in3
(1.17 g/cc)
Styrene Light weight material popular for its high impact strength and toughness. 6,530 psi
(45 MPa)
9,510 psi
(65 MPa)
440,000 psi
(3,030 MPa)
1.9 ft-lb/in
(101 J/m)
174°F
(79°C)
0.0379 lb/in3
(1.05 g/cc)
PEI Thermoplastic with high heat resistance and excellent mechanical properties. 16,000 psi
(110 MPa)
24,000 psi
(165 MPa)
510,000 psi
(3,500 MPa)
1.0 ft-lb/in
(53 J/m)
400°F
(204°C)
0.0549 lb/in3
(1.27 g/cc)

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