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MATERIAL PROPERTY COMPARISON

 

Static Dissipative Materials
 
  Units Test
Method
ASTM
ESD ACETAL Semitron ESD 410C Semitron ESD 500 Semitron ESD 520HR FR Polypropylene
Product Description     Static Dissipative Acetal Static Control Polyetherimide Static Dissipative Reinforced PTFE Static Dissipative Reinforced PAI Polypropylene
1 Specific Gravity, 73°F
-
D792
1.33
1.41
2.30
1.58
1.38
2 Tensile Strength, 73°F
psi
D638
6,100
9,000
1,500
12,000
2,500
3 Tensile Modulus of Elasticity, 73°F
psi
D638
225,000
850,000
250,000
800,000
-
4 Elongation, 73°F
%
D638
10
2
50
3.0%
3.0%
5 Flexural Strength, 73°F
psi
D790
6,000
12,000
2,200
20,000
-
6 Flexural Modulus of Elasticity, 73°F
psi
D790
190,000
850,000
350,000
850,000
400,000
7 Shear Strength, 73°F
psi
D732
-
-
1,700
-
-
8 Compressive Strength, 10% Deformation, 73°F
psi
D695
-
19,500
3,800
30,000
-
9 Compressive Modulus of Elasticity, 73°F
psi
D695
-
600,000
225,000
600,000
-
10 Coefficient of Friction (Dry vs Steel) Dynamic
-
PTS55007
0.29
0.18
0.10
-
-
11 Hardness, Rockwell, Scale as noted, 73°F
-
D785
M44(R109)
M115(R125)
R50
M108
-
12 Hardness, Durometer, Shore "D" Scale, 73°F
-
D2240
-
-
D65
-
67
13 Tensile Impact, 73°F
ft.lb/in2
D1822 Type "S"
-
-
-
-
8.0
14 Izod Impact, 73°F
ft.lb/in. of notch
D256 Type "A"
1.5
0.8
1.0
.8
-
15 Coefficient of linear Thermal Expansion
 
E-831 (TMA)
9.3 x 10-5
1.8 x 10-5
5.7 x 10-5
1.5 x 10-5
248/66psi
16 Heat Deflection Temperature, 264psi
in./in./°F
D648
225
410
210
520
-
17 Tg-Glass Transition (amorphous)
°F
D3418
N/A
-
N/A
N/A
-
18 Melting Point (crystalline)
°F
D3418
-
N/A
621
-
-
19 Continuous Service Temperature in Air (Max.)
°F
-
180
338
500
500
-
20 Dielectric Strength, Short Term
°F
D149(2)
-
-
-
-
-
21 Surface Resistivity
Volts/mil
D257
1010 x1012
104 x106
1010 x1012
1010 x1012
-
22 Static Decay, Mil-B-8170C
ohms/sq.
FTM4046.1
<2.0
<2.0
<2.0
<2.0
-
23 Volume Resistivity
seconds,ma
D257
1010 x 1012
104 x 106
1010 x 1012
1012 x 1012
-
24 Dielectric Constant, 106 Hz
x.
D150(2)
-
-
-
-
-
25 Dissipation Factor, 106 Hz
ohm-cm
D150(2)
-
-
-
-
-
26 Water Absorption, 24 hrs
-
D570
2.0
0.3
0.03
0.6
-
27 UL-94 @ 3.1 mm (1/8in.) Est. rating based on available data
-
UL94
HB
V-0
V-0
V-0
V-O- 5VA
28 FM 4910 Compliant
% 73°F
listing # x 92
       
Yes
29 Ionic impurities (Destructive Ash Method)
0
0
-
-
-
-
-
Na (Sodium)
-
0
-
-
61
-
-
K (Potassium)
ppm
0
-
-
17,000
-
-
Fe (Iron)
0
0
-
-
69
-
-
30 Outgassing
0
E595
-
-
-
-
-
TML (Total Mass Loss)
0
0
-
-
0.04
-
-
CVCM (Collected Volatile Condensable Material)
%
0
-
-
0.00
-
-
WVR (water vapor regained)
0
0
-
-
0.01
-
-

RED SHADED PRODUCTS ARE NEW ADVANCED ENGINEERING THERMOPLASTIC SPECIALLY DEVELOPED FOR THE SEMICONDUCTOR INDUSTRY

 

   
 
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