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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 -
 

 

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Kmac Distribution • 3821 Clay Ave. SW • Wyoming, MI 49548

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