Celanese Hostaform® MT8U05 POM, Medical Technology

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Celanese Hostaform® MT8U05 POM, Medical Technology
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM)
Material Notes:	Hostaform« acetal copolymer grade MT8U05 is a special grade developed for medical industry applications containing low residual monomers and no animal products. The material can be identified by UV detectors. Hostaform« MT8U05 is an injection molding grade with a molecular weight for excellent moldability and optimum properties in demanding applications. Information provided by Celanese
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Physical Properties	Metric	English	Comments

Density	1.41 g/cc	0.0509 lb/in³	ISO 1183
Water Absorption at Saturation	0.65 %	0.65 %	ISO 62
Linear Mold Shrinkage, Flow	0.020 cm/cm	0.020 in/in	ISO 294-4
Linear Mold Shrinkage, Transverse	0.018 cm/cm	0.018 in/in	ISO 294-4
Melt Flow	8.0 g/10 min @Load 2.16 kg, Temperature 190 °C	8.0 g/10 min @Load 4.76 lb, Temperature 374 °F	[cm3/10min]; ISO 1133

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	64.0 MPa	9280 psi	50mm/min; ISO 527-2/1A
Elongation at Break	30 %	30 %
Elongation at Yield	9.0 %	9.0 %	50mm/min; ISO 527-2/1A
Tensile Modulus	2.85 GPa	413 ksi	50mm/min; ISO 527-2/1A
Flexural Modulus	2.70 GPa	392 ksi	ISO 178
Charpy Impact Unnotched	18.0 J/cm²	85.7 ft-lb/in²	ISO 179/1eU
	16.0 J/cm² @Temperature -30.0 °C	76.1 ft-lb/in² @Temperature -22.0 °F	ISO 179/1eU
Charpy Impact, Notched	0.650 J/cm²	3.09 ft-lb/in²	ISO 179/1eA
	0.600 J/cm² @Temperature -30.0 °C	2.86 ft-lb/in² @Temperature -22.0 °F	ISO 179/1eA
Tensile Creep Modulus, 1 hour	2500 MPa	363000 psi	ISO 899-1
Tensile Creep Modulus, 1000 hours	1300 MPa	189000 psi	ISO 899-1

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	110 µm/m-°C	61.1 µin/in-°F	ISO 11359-2
Melting Point	166 °C	331 °F	10°C/min; ISO 11357-1,-2,-3
Deflection Temperature at 1.8 MPa (264 psi)	104 °C	219 °F	ISO 75-1, -2

Processing Properties	Metric	English	Comments
Processing Temperature	80.0 - 120 °C	176 - 248 °F	cavity
	190 - 210 °C	374 - 410 °F	hot runner
Feed Temperature	60.0 - 80.0 °C	140 - 176 °F
Zone 1	170 - 180 °C	338 - 356 °F
Zone 2	180 - 190 °C	356 - 374 °F
Zone 3	190 - 200 °C	374 - 392 °F
Zone 4	190 - 210 °C	374 - 410 °F
Die Temperature	190 - 210 °C	374 - 410 °F
Melt Temperature	190 - 210 °C	374 - 410 °F
Drying Temperature	120 - 140 °C	248 - 284 °F
Dry Time	3.00 - 4.00 hour	3.00 - 4.00 hour
Moisture Content	<= 0.15 %	<= 0.15 %

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

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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