Murtfeldt Murytal® ESD Acetal Copolymer, Conductive

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Murtfeldt Murytal® ESD Acetal Copolymer, Conductive
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Unreinforced
Material Notes:	Additives make this material conductive. The mechanical properties of the material are retained almost in their entirety. Special Properties: • High rigidity • Excellent ability to regain its form • Practically no moisture absorption • Good resistance to chemicals • Extremely good machinability • Suitable for devices and machines subject to Directive 94/9/EC (ATEX 95 Information provided by Murtfeldt Kunststoffe GmbH & Co. KG.
Key Words:	POM-C
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Physical Properties	Original Value	Comments

Density	1.45 g/cc	ISO 1183-1
Moisture Absorption at Equilibrium	0.20 % @Temperature 23.0 °C	50% RH
Water Absorption at Saturation	0.80 % @Temperature 23.0 °C

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	88	dry; ISO 2039-2
Ball Indentation Hardness	160 MPa	dry; ISO 2039-1
Tensile Strength, Yield	50.0 MPa	dry; ISO 527-1
	50.0 MPa	50% RH; ISO 527-1
Elongation at Break	50 %	dry; ISO 527-1
	50 %	50% RH; ISO 527-1
Modulus of Elasticity	2.30 GPa	dry
	2.30 GPa	50% RH
Charpy Impact, Notched	5.00 kJ/m²	dry; ISO 179-1/1eA
Coefficient of Friction, Dynamic	0.34

Electrical Properties	Original Value	Comments
Electrical Resistivity	<= 10000 ohm-cm	dry; IEC 60093
Surface Resistance	<= 10000 ohm	dry; IEC 60093

Thermal Properties	Original Value	Comments
CTE, linear	95.0 µm/m-°C @Temperature 23.0 - 60.0 °C
	110 µm/m-°C @Temperature 23.0 - 100 °C
Thermal Conductivity	0.310 W/m-K
Melting Point	165 °C	ISO 11357-1
Maximum Service Temperature, Air	90.0 °C @Time 7.20e+7 sec
	105 °C @Time 1.80e+7 sec
	140 °C @Time <=86400 sec
Minimum Service Temperature, Air	-20.0 °C
Glass Transition Temp, Tg	-50.0 °C	ISO 11357-1
Flammability, UL94	HB

Compliance Properties	Original Value	Comments
FDA	Yes

Descriptive Properties
Color	Natural/Black

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