Celanese Hostaform® EC140CF10 POM, 10% Specialty

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Celanese Hostaform® EC140CF10 POM, 10% Specialty
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, 10% Glass Fiber Reinforced
Material Notes:	Hostaform« acetal copolymer grade EC140CF10 is a 10% carbon fiber reinforced grade for increase strength, stiffness and electrical conductivity. Information provided by Celanese
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Physical Properties	Original Value	Comments

Density	1.44 g/cc	ISO 1183
Linear Mold Shrinkage, Flow	0.0080 cm/cm	ISO 294-4
Linear Mold Shrinkage, Transverse	0.010 cm/cm	ISO 294-4
Melt Flow	12 g/10 min @Load 2.16 kg, Temperature 190 °C	[cm3/10min]; ISO 1133

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	70.0 MPa	5mm/min; ISO 527-2/1A
Elongation at Break	1.5 %	5mm/min; ISO 527-2/1A
Tensile Modulus	8500 MPa	50mm/min; ISO 527-2/1A
Flexural Modulus	8500 MPa	ISO 178
Charpy Impact, Notched	3.20 kJ/m²	ISO 179/1eA
	3.20 kJ/m² @Temperature -30.0 °C	ISO 179/1eA

Electrical Properties	Original Value	Comments
Volume Resistivity	2000 ohm-cm	IEC 60093
Surface Resistance	1000 ohm	IEC 60093

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	30.0 µm/m-°C	ISO 11359-2
CTE, linear, Transverse to Flow	100 µm/m-°C	ISO 11359-2
Melting Point	165 °C	10°C/min; ISO 11357-1,-2,-3
Deflection Temperature at 0.46 MPa (66 psi)	162 °C	ISO 75-1, -2
Deflection Temperature at 1.8 MPa (264 psi)	158 °C	ISO 75-1, -2

Processing Properties	Original Value	Comments
Processing Temperature	80.0 - 120 °C	cavity
	190 - 210 °C	hot runner
Zone 1	170 - 180 °C
Zone 2	180 - 190 °C
Zone 3	180 - 190 °C
Zone 4	190 - 200 °C
Die Temperature	190 - 200 °C
Melt Temperature	180 - 200 °C
Drying Temperature	80.0 - 100 °C
Dry Time	3.00 hour
Injection Pressure	60.0 - 120 MPa
Hold Pressure	60.0 - 120 MPa
Back Pressure	<= 2.00 MPa

Descriptive Properties
Injection molding	Yes
Injection speed	slow
Processing conditions acc. ISO	9988-2

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