Celanese Celcon® LM90 Acetal Copolymer (Capable of being Laser Marked)

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Celanese Celcon® LM90 Acetal Copolymer (Capable of being Laser Marked)
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Unreinforced
Material Notes:	Description: Celcon LM90 is a 9.0 melt flow rate acetal copolymer which is capable of being permanently marked by a laser. Parts molded from Celcon LM90 can be laser marked with barcodes, ID numbers and designs. Information provided by Celanese Corporation.
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Physical Properties	Metric	English	Comments

Density	1.41 g/cc	0.0509 lb/in³	ISO 1183 & ASTM D792
Linear Mold Shrinkage	0.022 cm/cm	0.022 in/in	ASTM D955
Linear Mold Shrinkage, Transverse	0.018 cm/cm	0.018 in/in	ASTM D955

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	64.0 MPa	9280 psi	50 mm/min; ISO 527-2/1A
Flexural Modulus	2.77 GPa	402 ksi	ISO 178
Izod Impact, Notched (ISO)	5.00 kJ/m²	2.38 ft-lb/in²	ISO 180/1A

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	105 °C	221 °F	ISO 75-1, -2

Processing Properties	Metric	English	Comments
Melt Temperature	182 - 199 °C	360 - 390 °F
Mold Temperature	77.0 - 93.0 °C	171 - 199 °F
Drying Temperature	82.2 °C	180 °F
Dry Time	3 hour	3 hour
Injection Pressure	75.8 - 110 MPa	11000 - 16000 psi

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PHCW17 / 45958

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