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Omnia Plastica Akulon® POM h Acetal Homopolymer

Category Polymer , Thermoplastic , Acetal (POM) , Acetal Homopolymer, Unreinforced
Manufacturer Omnia Plastica s.p.a.
Trade Name Akulon®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
The general features of homopolymer acetalic resin are similar to those of copolymer POM c, except that service temperature (under load) is slightly higher but resistance to hydrolysis and strong alkali is lower.Features:High fatigue resistance.Good dimensional stability.Low friction coefficient High compressive strength.The shock resistance is good even at low temperature.Excellent machinability, especially on automatic equipmentColour: naturalWeak Point:Compared to PA6 it has lower abrasion resistance, particularly in dirty and dusty environments. Compared to POM c. its resistance to hydrolysis is lower.Application:Mechanical: it is used for mechanical applications such as bearings, cams, gears with low torque, gear wheels, conveyor rollers and dimensionally stable precision parts.Food contact: being physiologically inert, it is suitable for food contact. It can be used in water at 80° C.Electrical: as it is not hygroscopic, it is commonly used for electric components such as insulators.Chemical: it is resistant to alkali and organic compounds. Thanks to its good chemical properties it is suitable for pump components, flanges and components for chemical plants.Information provided by Omnia Plastica s.p.a. for semifinished products such as sheet, rod, and tube.
Physical Properties Metric English Comments
Density 1.42 g/cc
0.0513 lb/in³
ISO.1183 DIN.53479
Moisture Absorption at Equilibrium 0.20 %
0.20 %
50% relative humidity
Water Absorption at Saturation 0.70 %
0.70 %
23°C
Mechanical Properties Metric English Comments
Hardness, Rockwell M 92
92
dry sample; ISO2039.2
Ball Indentation Hardness 150 MPa
21800 psi
ISO2039.1 DIN.53456
Tensile Strength at Break 69.0 MPa
10000 psi
ISO.527 DIN.53455
Elongation at Break 50 %
50 %
ISO.527 DIN.53455
Tensile Modulus 2.90 GPa
421 ksi
ISO.527 DIN.53455
Compressive Strength 14.0 MPa
2030 psi
1% strain over 1000 hours; ISO.899 DIN.53444
Charpy Impact Unnotched NB
NB
7.5 J; ISO.R179 DIN.53453
Charpy Impact, Notched 1.10 J/cm²
5.24 ft-lb/in²
ISO179/3C DIN.53453
Coefficient of Friction, Dynamic 0.30
0.30
on dry ground steel; load =0.05MPa; speed =0.6 m/s
Thermal Properties Metric English Comments
CTE, linear 110 µm/m-°C

@Temperature 23.0 - 60.0 °C
61.1 µin/in-°F

@Temperature 73.4 - 140 °F
Thermal Conductivity 0.300 W/m-K
2.08 BTU-in/hr-ft²-°F
DIN.52612
Melting Point 175 °C
347 °F
Maximum Service Temperature, Air 100 °C
212 °F
Maximum operating temperature continuously for 5000 hours based on a tensile stress of 50% at 23° C.
145 °C
293 °F
short period, no load
Deflection Temperature at 1.8 MPa (264 psi) 135 °C
275 °F
ISO.75 DIN.53461
Minimum Service Temperature, Air -50.0 °C
-58.0 °F
impact conditions and heavy loads not considered
Flammability, UL94 HB
HB
Oxygen Index 15 %
15 %
ISO.4589
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+15 ohm-cm
1.00e+15 ohm-cm
ISO.93 DIN.53482
Dielectric Constant 3.7

@Frequency 1e+6 Hz
3.7

@Frequency 1e+6 Hz
ISO.250 DIN.53483
Dielectric Strength 32.0 kV/mm
813 kV/in
ISO.243 DIN.53481
Dissipation Factor 0.010

@Frequency 1e+6 Hz
0.010

@Frequency 1e+6 Hz
ISO.250 DIN.53483
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