Celcon® M90™
Celanese Corporation - Acetal (POM) Copolymer Sunday, October 13, 2019
General Information
Product Description
Celcon acetal copolymer grade M90TM is a medium viscosity polymer providing optimum performance in general purpose injection molding and
extrusion of thin walled tubing and thin gauge film. This grade provides overall excellent performance in many applications. Chemical abbreviation
according to ISO 1043-1: POM Please also see Hostaform® C 9021.
General
Material Status • Commercial: Active
• Africa & Middle East • Europe
Availability • North America
• Asia Pacific • Latin America
Features • General Purpose • Medium Viscosity
Uses • Film • General Purpose • Tubing
RoHS Compliance • Contact Manufacturer
Processing Method • Extrusion • Injection Molding
Resin ID (ISO 1043) • POM
ASTM & ISO Properties 1
Physical Nominal Value Unit Test Method
Density 1.41 g/cm³ ISO 1183
Melt Volume-Flow Rate (MVR) (190°C/2.16 kg) 8.00 cm³/10min ISO 1133
Molding Shrinkage ISO 294-4
Across Flow 1.9 %
Flow 2.0 %
Water Absorption (Saturation, 23°C) 0.75 % ISO 62
Water Absorption (Equilibrium, 23°C, 50% RH) 0.20 % ISO 62
Mechanical Nominal Value Unit Test Method
Tensile Modulus 2760 MPa ISO 527-2/1A
Tensile Stress (Yield) 65.0 MPa ISO 527-2/1A/50
Tensile Strain (Yield) 10 % ISO 527-2/1A/50
Tensile Creep Modulus (1 hr) 2450 MPa ISO 899-1
Tensile Creep Modulus (1000 hr) 1350 MPa ISO 899-1
Flexural Modulus (23°C) 2550 MPa ISO 178
Flexural Stress (3.5% Strain) 73.0 MPa ISO 178
Compressive Stress ISO 604
1% Strain 26.0 MPa
6% Strain 88.0 MPa
Impact Nominal Value Unit Test Method
Charpy Notched Impact Strength ISO 179/1eA
-30°C 6.0 kJ/m²
23°C 6.0 kJ/m²
Charpy Unnotched Impact Strength ISO 179/1eU
-30°C 180 kJ/m²
23°C 190 kJ/m²
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The information presented here was acquired by UL from the producer of the product or material or original information provider. However, UL assumes no
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Celcon® M90™
Celanese Corporation - Acetal (POM) Copolymer
Impact Nominal Value Unit Test Method
Notched Izod Impact Strength ISO 180/1A
-30°C 5.5 kJ/m²
23°C 5.7 kJ/m²
Thermal Nominal Value Unit Test Method
Heat Deflection Temperature (0.45 MPa, Unannealed) 158 °C ISO 75-2/B
Heat Deflection Temperature (1.8 MPa, Unannealed) 101 °C ISO 75-2/A
Vicat Softening Temperature 161 °C ISO 306/B50
2 166 °C ISO 11357-3
Melting Temperature
Melting Temperature 165 °C
CLTE - Flow 1.2E-4 cm/cm/°C ISO 11359-2
CLTE - Transverse 1.2E-4 cm/cm/°C ISO 11359-2
Effective Thermal Diffusivity 4.85E-8 m²/s Internal Method
Electrical Nominal Value Unit Test Method
Surface Resistivity 3.0E+16 ohms IEC 60093
Volume Resistivity 8.0E+14 ohms·cm IEC 60093
Fill Analysis Nominal Value Unit Test Method
Melt Density 1.20 g/cm³ Internal Method
Melt Thermal Conductivity 0.16 W/m/K Internal Method
Ejection Temperature 140 °C
Specific Heat Capacity of Melt 2210 J/kg/°C
Processing Information
Injection Nominal Value Unit
Drying Temperature 100 to 120 °C
Drying Time 3.0 to 4.0 hr
Rear Temperature 170 to 180 °C
Middle Temperature 180 to 190 °C
Front Temperature 180 to 190 °C
Nozzle Temperature 190 to 200 °C
Processing (Melt) Temp 180 to 200 °C
Mold Temperature 80 to 120 °C
Injection Rate Slow-Moderate
Back Pressure < 4.00 MPa
Injection Notes
Zone4 temperature: 190 to 200°C
Hot runner temperature: 180 to 200°C
Flow temperature: 174°C
No flow temperature: 160°C
Notes
1
Typical properties: these are not to be construed as specifications.
2
10°C/min
UL and the UL logo are trademarks of UL LLC © 2019. All Rights Reserved.
The information presented here was acquired by UL from the producer of the product or material or original information provider. However, UL assumes no
responsibility or liability for the accuracy of the information contained on this website and strongly encourages that upon final product or material selection
information is validated with the manufacturer. This website provides links to other websites owned by third parties. The content of such third party sites is not within
www.ulprospector.com our control, and we cannot and will not take responsibility for the information or content.
Page: 2 of 2
