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Viva Nylons Limited POM-C (Acetal)

Viva Nylons Limited POM-C (Acetal) otherwise known as Acetal Copolymer features highly crystalline resins, making this material strong and rigid, with a low coefficient of friction in comparison to metals and other plastics. POM-C is also creep resistant and is recommended for applications where dimensional stability is important. The Copolymer grade is the ideal combination of strength, stiffness and wears resistance. It absorbs very little moisture, is easily machinable and is genuinely porosity-free making it the preferred grade for food contact and medical applications. The product exhibits an elevated resistance to hydrolysis, strong alkalis and thermal-oxidative degradation when compared to acetal homopolymer.

Polymer Name: Polyacetal Copolymer (POM)

Physical Form: Custom, Plates, Rods, Tube

Features: Alkali Resistant, Creep Resistant, Crystalline, Dimensional Stability, Excellent Stiffness, Food Contact Acceptable, Good Machinability, High Hydrolysis Resistance, High Rigidity, High Strength, High Thermo-Oxidative Stability, Low Friction, Low Moisture Absorption, Wear Resistant

Density: 1410.0 - 1410.0 kg/m³

Tensile Modulus: 2700.0 - 2700.0 MPa

Color: White

Technical Data Sheet
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Properties

Color
Flame Rating
Mechanical Properties
ValueUnitsTest Method / Conditions
Tensile Strength at Yield (Sample Type 1B, 50mm/min)70.0MPaISO 527-1/2;1993
E-modulus (Sample Type 1B, 50mm/min)2700.0MPaISO 527-1/2:1993
Elongation at Break (Sample Type 1B, 50mm/min)15.0%ISO 527-1/2:1993
Compressive Strength (Sample Type B, 5mm/min)110.0MPaISO 604:2002
Compressive Modulus (Sample Type A, 1mm/min)2600.0MPaISO 604:2002
Flexural Strength (1.5mm/min)80.0MPaISO 178:2001
Flexural Modulus (1.5mm/min)2600.0MPaISO 178:2001
Izod Impact Strength (Sample Type A, notched)7.2kJ/mm²ISO 180:2000
Dynamic Coefficient of Friction (31.4m/min, 1.75MPa)0.25--
Limiting PV6.0MPa/m-
Hardness85.0Shore DISO 868:2003
Typical Properties
ValueUnitsTest Method / Conditions
Density (Test Method A)1.41g/cm³ISO 1183:1997
Moisture Absorption (Equilibrium, 50% RH, 23°C)0.1%ISO 62:1999
Water Absorption (24 hrs, Immersion at 23°C)0.2%ISO 62:1999 (modified)
Water Absorption (24 hrs Saturation, Immersion at 23°C)0.9%ISO 62:1999
Thermal Properties
ValueUnitsTest Method / Conditions
Melting Temperature (Tg)170.0°C-
Glass Transition Temperature-60.0°CISO 11359:1999
Heat Deflection Temperature (HDT/A, 1.80MPa)110.0°CISO 75
Maximum Continuous Service Temperatures90.0°C-
Maximum Intermittent Service Temperatures140.0°C-
Coefficient of Linear Thermal Expansion (23 - 55°C)9.2x10⁻⁵°C⁻¹ISO 11359-2:1999
Thermal Conductivity (Mean T = 20°C)0.31W/m°CISO 8301:1991
Electrical Properties
ValueUnitsTest Method / Conditions
Dielectric Constant (1MHz)3.8-IEC 60250:1969-01
Dissipation Factor (100 Hz)0.005-IEC 60250:1969-01
Dielectric Strength16.5kV/mIEC 60243:-1:1998-01
Volume Resistivity1x10¹³ohm.mIEC 60093:1980-01
Surface Resistivity1x10¹³ohm.mIEC 60093:1980-01
Comparative Tracking Index600.0CTIIEC 60112:2003-01
Flammability
ValueUnitsTest Method / Conditions
FlammabilityHB-IEC 60695-11-10:2003-08

Packaging & Availability

Availability
Rod 10mm-500mm DIA
Tube 50mm-1000mm OD
Plate 6mm-100mm THICKNESS
Custom Castings Bespoke