低磨损应用POM 泰科纳 LW90

Physical Properties	Metric	English	Comments
Specific Gravity 	1.43 g/cc	1.43 g/cc	ASTM D792
Density 	1.41 g/cc	0.0509 lb/in3	ISO 1183
Moisture Absorption 	0.200 %	0.200 %	23°C/50%RH; ISO 62
Water Absorption at Saturation 	0.65 %	0.65 %	ISO 62
Linear Mold Shrinkage, Flow 	0.018 cm/cm	0.018 in/in	ISO 294-4
 	0.022 cm/cm	0.022 in/in	ASTM D955
Linear Mold Shrinkage, Transverse 	0.015 cm/cm	0.015 in/in	ISO 294-4
 	0.018 cm/cm	0.018 in/in	ASTM D955
Melt Flow 	9.0 g/10 min	9.0 g/10 min	ASTM D1238
 	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 	58.6 MPa	8500 psi	ASTM D638
 	64.0 MPa	9280 psi	50mm/min; ISO 527-2/1A
Elongation at Yield 	9.0 %	9.0 %	50mm/min; ISO 527-2/1A
Tensile Modulus 	2.50 GPa	363 ksi	50mm/min; ISO 527-2/1A
Flexural Modulus 	2.55 GPa	370 ksi	ASTM D790
 	2.60 GPa	377 ksi	ISO 178
Izod Impact, Notched 	0.641 J/cm	1.20 ft-lb/in	ASTM D256
Izod Impact, Notched (ISO) 	5.70 kJ/m2	2.71 ft-lb/in2	ISO 180/1A
 
Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow 	110 μm/m-°C	61.1 μin/in-°F	ISO 11359-2
CTE, linear, Transverse to Flow 	120 μm/m-°C	66.7 μin/in-°F	ISO 11359-2
Deflection Temperature at 1.8 MPa (264 psi) 	97.2 °C	207 °F	ASTM D648
 	98.0 °C	208 °F	ISO 75-1, -2
 
Processing Properties	Metric	English	Comments
Processing Temperature 	80.0 - 120 °C	176 - 248 °F	cavity
 	180 - 200 °C	356 - 392 °F	hot runner
Zone 1 	170 - 180 °C	338 - 356 °F	
Zone 2 	180 - 190 °C	356 - 374 °F	
Zone 3 	180 - 190 °C	356 - 374 °F	
Zone 4 	190 - 200 °C	374 - 392 °F	
Die Temperature 	190 - 200 °C	374 - 392 °F	
Melt Temperature 	180 - 200 °C	356 - 392 °F	
Drying Temperature 	80.0 - 100 °C	176 - 212 °F	
Dry Time 	3.00 hour	3.00 hour	
Injection Pressure 	60.0 - 120 MPa	8700 - 17400 psi	
Hold Pressure 	60.0 - 120 MPa	8700 - 17400 psi	
Back Pressure 	<= 4.00 MPa	<= 580 psi