Acetal Typical Properties Generic Acetal (POM) Copolymer

Product Description
This data represents typical values that have been calculated from all products classified as: Generic Acetal (POM) Copolymer

This information is provided for comparative purposes only.
General  
Material Status 
  • Commercial: Active
Availability 
  • Africa & Middle East
  • Asia Pacific
  • Europe
  • Latin America
  • North America
Also Available In 
  • Asia Pacific
  • Europe
  • Latin America
  • North America
 
Physical
Nominal Value
Unit
Test Method
Density / Specific Gravity
     
--
1.38 to 1.44
 
ASTM D792
73°F
1.39 to 1.43
g/cm³
ISO 1183
Apparent (Bulk) Density
0.84 to 0.85
g/cm³
ISO 60
Melt Mass-Flow Rate (MFR)
     
190°C/2.16 kg
8.0 to 28
g/10 min
ASTM D1238
190°C/2.16 kg
2.3 to 10
g/10 min
ISO 1133
Melt Volume-Flow Rate (MVR) (190°C/2.16 kg)
0.500 to 13.2
cm³/10min
ISO 1133
Molding Shrinkage
     
Flow : 73°F
3.0E-3 to 0.32
in/in
ASTM D955
Across Flow : 73°F
0.014 to 0.026
in/in
ASTM D955
73°F
1.8 to 2.2
%
ISO 294-4
Water Absorption
     
24 hr, 73°F
0.12 to 0.23
%
ASTM D570
24 hr, 73°F
0.10 to 0.81
%
ISO 62
Saturation, 73°F
0.80 to 0.83
%
ASTM D570
Saturation, 73°F
0.62 to 0.82
%
ISO 62
Equilibrium, 73°F
0.20 to 0.25
%
ASTM D570
Equilibrium, 73°F, 50% RH
0.14 to 0.24
%
ISO 62
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus
     
73°F
202000 to 437000
psi
ASTM D638
73°F
321000 to 424000
psi
ISO 527-2
Tensile Strength
     
Yield, 73°F
6380 to 9470
psi
ASTM D638
Yield, 73°F
6300 to 9910
psi
ISO 527-2
Break, 73°F
4500 to 9690
psi
ASTM D638
Break, 73°F
4900 to 9680
psi
ISO 527-2
73°F
5790 to 9800
psi
ASTM D638
73°F
8110 to 9720
psi
ISO 527-2
Tensile Elongation
     
Yield, 73°F
4.0 to 210
%
ASTM D638
Yield, 73°F
4.0 to 15
%
ISO 527-2
Break, 73°F
0.15 to 83
%
ASTM D638
Break, 73°F
1.2 to 71
%
ISO 527-2
Nominal Tensile Strain at Break (73°F)
12 to 50
%
ISO 527-2
Tensile Creep Modulus
    ISO 899-1
1 hr
347000
psi
 
1000 hr
182000
psi
 
Flexural Modulus
     
73°F
242000 to 445000
psi
ASTM D790
73°F
264000 to 420000
psi
ISO 178
Flexural Strength
     
73°F
9290 to 13800
psi
ASTM D790
73°F
8640 to 13300
psi
ISO 178
Yield, 73°F
13000 to 14200
psi
ASTM D790
Compressive Strength
     
73°F
4440 to 16000
psi
ASTM D695
73°F
3340 to 13700
psi
ISO 604
Coefficient of Friction
0.050 to 0.50
 
ASTM D1894
Taber Abrasion Resistance (73°F)
14.0 to 16.7
mg
ASTM D1044
Wear Factor
0.0 to 310000
10^-10 in³·min/ft·lb·hr
ASTM D3702
Impact
Nominal Value
Unit
Test Method
Charpy Notched Impact Strength (73°F)
0.71 to 5.1
ft·lb/in²
ISO 179
Charpy Unnotched Impact Strength (73°F)
16 to 120
ft·lb/in²
ISO 179
Notched Izod Impact
     
73°F
0.69 to 1.6
ft·lb/in
ASTM D256
73°F
0.95 to 3.9
ft·lb/in²
ISO 180
Unnotched Izod Impact
     
73°F
0.68 to 28
ft·lb/in
ASTM D256
73°F
9.5 to 34
ft·lb/in²
ISO 180
Instrumented Dart Impact
     
73°F
32.3 to 55.3
in·lb
ASTM D3763
73°F
0.00 to 0.940
ft·lb
ISO 6603-2
Hardness
Nominal Value
Unit
Test Method
Rockwell Hardness
     
73°F
78 to 116
 
ASTM D785
73°F
79 to 80
 
ISO 2039-2
Durometer Hardness
     
73°F
76 to 97
 
ASTM D2240
73°F
76 to 81
 
ISO 868
Ball Indentation Hardness
17300 to 21300
psi
ISO 2039-1
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load
     
66 psi, Unannealed
310 to 325
°F
ASTM D648
66 psi, Unannealed
283 to 321
°F
ISO 75-2/B
264 psi, Unannealed
208 to 230
°F
ASTM D648
264 psi, Unannealed
167 to 230
°F
ISO 75-2/A
Continuous Use Temperature
149 to 212
°F
ASTM D794
Vicat Softening Temperature
     
--
301 to 324
°F
ASTM D1525
--
292 to 322
°F
ISO 306
Melting Temperature
     
--
329 to 331
°F
 
--
329 to 347
°F
DSC
--
329 to 333
°F
ISO 11357-3
--
324 to 333
°F
ASTM D3418
--
329 to 338
°F
ISO 3146
CLTE
     
Flow
7.2E-6 to 1.8
in/in/°F
ASTM D696
Flow
3.2E-5 to 7.4E-5
in/in/°F
ASTM E831
Flow
5.5E-5 to 7.3E-5
in/in/°F
ISO 11359-2
Transverse
4.7E-5 to 7.4E-5
in/in/°F
ASTM E831
Transverse
6.1E-5 to 6.7E-5
in/in/°F
ISO 11359-2
Specific Heat (73°F)
0.350 to 0.359
Btu/lb/°F
ASTM C351
Thermal Conductivity (73°F)
1.6
Btu·in/hr/ft²/°F
ASTM C177
RTI Elec
122 to 221
°F
UL 746
RTI Imp
122 to 194
°F
UL 746
RTI Str
122 to 221
°F
UL 746
Electrical
Nominal Value
Unit
Test Method
Surface Resistivity
     
--
5.0 to 5.5E+16
ohms
ASTM D257
--
5.5 to 1.1E+16
ohms
IEC 60093
Volume Resistivity
     
73°F
5.0 to 2.5E+14
ohms·cm
ASTM D257
73°F
5.5 to 2.5E+16
ohms·cm
IEC 60093
Dielectric Strength
     
73°F
480 to 490
V/mil
ASTM D149
73°F
450 to 930
V/mil
IEC 60243-1
Dielectric Constant
     
73°F
3.67 to 3.70
 
ASTM D150
73°F
3.78 to 3.80
 
IEC 60250
73°F
3.89
 
IEC 60250
Dissipation Factor
     
73°F
4.9E-3 to 0.060
 
ASTM D150
73°F
1.0E-3 to 0.014
 
IEC 60250
Arc Resistance
240 to 250
sec
ASTM D495
Comparative Tracking Index
593 to 600
V
IEC 60112
Flammability
Nominal Value
Unit
Test Method
Burning Rate
1.7 to 3.9
in/min
ISO 3795
Glow Wire Flammability Index
1150 to 1200
°F
IEC 60695-2-12
Glow Wire Ignition Temperature
1200 to 1250
°F
IEC 60695-2-13
Fill Analysis
Nominal Value
Unit
Test Method
Melt Density (73°F)
1.20
g/cm³
 
Melt Thermal Conductivity
1.1
Btu·in/hr/ft²/°F
ASTM C177
Ejection Temperature
285
°F
 
Injection
Nominal Value
Unit
 
Drying Temperature
174 to 253
°F
 
Drying Time
1.9 to 4.1
hr
 
Suggested Max Moisture
0.096 to 0.20
%
 
Suggested Max Regrind
15
%
 
Hopper Temperature
77 to 392
°F
 
Rear Temperature
338 to 347
°F
 
Middle Temperature
364 to 393
°F
 
Front Temperature
364 to 420
°F
 
Nozzle Temperature
373 to 393
°F
 
Processing (Melt) Temp
372 to 411
°F
 
Mold Temperature
156 to 215
°F
 
Injection Pressure
761 to 13400
psi
 
Holding Pressure
5460 to 13100
psi
 
Back Pressure
25.0 to 593
psi
 
Screw Speed
45 to 125
rpm
 
Injection Notes
This data represents typical values that have been calculated from all products classified as: Generic Acetal (POM) Copolymer

This information is provided for comparative purposes only.
Extrusion
Nominal Value
Unit
 
Melt Temperature
365 to 393
°F
 
Extrusion Notes
This data represents typical values that have been calculated from all products classified as: Generic Acetal (POM) Copolymer

This information is provided for comparative purposes only.
Notes
1Typical properties: these are not to be construed as specifications.