Mocom (ALBIS) ALCOM® POM 770/1 SI2 POM, 2% Silicone

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Mocom (ALBIS) ALCOM® POM 770/1 SI2 POM, 2% Silicone
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Silicone Filled
Material Notes:	Base Polymer: Polyoxymethylene Copolymer Filler/Additive System: 2% silicone Special Features: Heat ageing stabilization, improved sliding/wear Market Segment: Automotive, Machinery Application Area: Gear wheels, roller bearings Typical Applications: Functional components, bearings and sliding elements Information provided by Albis Plastics
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Physical Properties	Metric	English	Comments

Density	1.39 g/cc	0.0502 lb/in³	ISO 1183
Linear Mold Shrinkage, Flow	0.020 - 0.021 cm/cm @Time 86400 sec	0.020 - 0.021 in/in @Time 24.0 hour	ISO 294-4
Linear Mold Shrinkage, Transverse	0.020 - 0.021 cm/cm @Time 86400 sec	0.020 - 0.021 in/in @Time 24.0 hour	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	ISO 1133
Storage Temperature	<= 30.0 °C	<= 86.0 °F	dry, protected from light

Mechanical Properties	Metric	English	Comments
Ball Indentation Hardness	112 MPa	16200 psi	H358/30; ISO 2039-1
Tensile Strength, Yield	48.0 MPa	6960 psi	ISO 527
Elongation at Break	51 %	51 %	ISO 527
Tensile Modulus	2.50 GPa	363 ksi	ISO 527
Flexural Strength	57.0 MPa	8270 psi	ISO 178
Flexural Modulus	2.31 GPa	335 ksi	ISO 178
Charpy Impact Unnotched	11.5 J/cm²	54.7 ft-lb/in²	ISO 179/1eU
Charpy Impact, Notched	0.810 J/cm²	3.85 ft-lb/in²	ISO 179/1eA

Thermal Properties	Metric	English	Comments
Melting Point	169 °C	336 °F	ISO 11357
Deflection Temperature at 1.8 MPa (264 psi)	92.0 °C	198 °F	ISO 75-1/-2
Vicat Softening Point	145 °C	293 °F	B50; ISO 306

Processing Properties	Metric	English	Comments
Melt Temperature	180 - 220 °C	356 - 428 °F	Injection molding
Mold Temperature	60.0 - 120 °C	140 - 248 °F	Injection molding
Drying Temperature	100 - 110 °C @Time 7200 - 10800 sec	212 - 230 °F @Time 2.00 - 3.00 hour	in a dry air (desiccant) dryer
	100 - 110 °C @Time 10800 - 18000 sec	212 - 230 °F @Time 3.00 - 5.00 hour	in air circulating dryer

Descriptive Properties
Base Polymer	Polyoxymethylene Copolymer

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PALBIS8189 / 242248

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