Celanese Hostaform® M90XAP® POM, Unfilled

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Celanese Hostaform® M90XAP® POM, Unfilled
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM)
Material Notes:	Hostaform« acetal copolymer grade M90 XAP« is a low emission version, medium viscosity polymer providing optimum performance in general purpose injection molding primarily for the interior automotive market. This grade provides overall excellent performance in many applications. Information provided by Celanese
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Physical Properties	Original Value	Comments

Density	1.40 g/cc	ISO 1183
Linear Mold Shrinkage, Flow	0.018 cm/cm	ISO 294-4
Linear Mold Shrinkage, Transverse	0.018 cm/cm	ISO 294-4
Melt Flow	8.0 g/10 min @Load 2.16 kg, Temperature 190 °C	[cm3/10min]; ISO 1133

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	65.0 MPa	50mm/min; ISO 527-2/1A
Elongation at Yield	9.5 %	50mm/min; ISO 527-2/1A
Tensile Modulus	2600 MPa	50mm/min; ISO 527-2/1A
Flexural Modulus	2560 MPa	ISO 178
Charpy Impact, Notched	6.40 kJ/m²	ISO 179/1eA

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	120 µm/m-°C	ISO 11359-2
CTE, linear, Transverse to Flow	120 µm/m-°C	ISO 11359-2
Melting Point	167 °C	10°C/min; ISO 11357-1,-2,-3
Deflection Temperature at 1.8 MPa (264 psi)	100 °C	ISO 75-1, -2

Processing Properties	Original Value	Comments
Processing Temperature	80.0 - 120 °C	cavity
	180 - 200 °C	hot runner
Zone 1	165 - 175 °C
Zone 2	170 - 180 °C
Zone 3	170 - 180 °C
Zone 4	175 - 185 °C
Die Temperature	180 - 190 °C
Melt Temperature	180 - 190 °C
Drying Temperature	>= 140 °C
Dry Time	2.00 hour
Injection Pressure	60.0 - 120 MPa
Hold Pressure	60.0 - 120 MPa
Back Pressure	<= 4.00 MPa

Descriptive Properties
Injection molding	Yes
Injection speed	slow-medium
Profile extrusion	Yes
Sheet extrusion	No

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PHCQ395 / 178850

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