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Celanese Celcon® MC270 POM, Mineral Reinforced  (Unverified Data**)

Category Polymer , Thermoplastic , Acetal (POM) , Acetal Copolymer, Mineral Filled
Manufacturer
Trade Name Celcon®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Celanese Celcon® MC270 POM, Mineral Reinforced  (Unverified Data**).pdf
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Material Notes:
Celcon® MC270 is a mineral coupled acetal copolymer designed for applications requiring improved stiffness, lower mold shrinkage and reduced warpage while maintaining the mechanical performance characteristics of an unfilled Celcon® M270 grade.Mineral coupled for reduced warpage, high flowStandard reciprocating screw injection molding machines with a high compression screw (minimum 3:1 and preferably 4:1) and low back pressure (0.35 Mpa/50 PSI) are favored. Using a low compression screw (I.E. general purpose 2:1 compression ratio) can resuInformation provided by Celanese
Physical Properties Metric English Comments
Specific Gravity 1.48 g/cc
1.48 g/cc
ASTM D792
Density 1.48 g/cc
0.0535 lb/in³
ISO 1183
Water Absorption 0.75 %
0.75 %
ISO 62
Moisture Absorption 0.200 %
0.200 %
23°C/50%RH; ISO 62
Linear Mold Shrinkage, Flow 0.019 cm/cm
0.019 in/in
ASTM D955
0.019 cm/cm
0.019 in/in
ISO 294-4
Linear Mold Shrinkage, Transverse 0.016 cm/cm
0.016 in/in
ASTM D955
0.016 cm/cm
0.016 in/in
ISO 294-4
Mechanical Properties Metric English Comments
Tensile Strength, Yield 53.1 MPa
7700 psi
ASTM D638
57.0 MPa
8270 psi
50mm/min; ISO 527-2/1A
Elongation at Yield 7.0 %
7.0 %
50mm/min; ISO 527-2/1A
Tensile Modulus 3.15 GPa
457 ksi
1mm/min; ISO 527-2/1A
Flexural Strength 77.0 MPa
11200 psi
ISO 178
Flexural Modulus 3.10 GPa
450 ksi
ISO 178
2.96 GPa

@Temperature 22.8 °C
430 ksi

@Temperature 73.0 °F
ASTM D790
Izod Impact, Notched 0.534 J/cm
1.00 ft-lb/in
ASTM D256
0.320 J/cm

@Temperature -40.0 °C
0.600 ft-lb/in

@Temperature -40.0 °F
ASTM D256
0.481 J/cm

@Temperature 82.2 °C
0.900 ft-lb/in

@Temperature 180 °F
ASTM D256
Izod Impact, Notched (ISO) 5.50 kJ/m²
2.62 ft-lb/in²
ISO 180/1A
Charpy Impact, Notched 0.540 J/cm²
2.57 ft-lb/in²
ISO 179/1eA
0.450 J/cm²

@Temperature -30.0 °C
2.14 ft-lb/in²

@Temperature -22.0 °F
ISO 179/1eA
Thermal Properties Metric English Comments
CTE, linear 100 µm/m-°C
55.6 µin/in-°F
ISO 11359-2
CTE, linear, Transverse to Flow 120 µm/m-°C
66.7 µin/in-°F
ISO 11359-2
Melting Point 165 °C
329 °F
10°C/min; ISO 11357-1,-2,-3
165 °C
329 °F
ASTM D3418
Deflection Temperature at 1.8 MPa (264 psi) 93.3 °C
200 °F
ASTM D648
101 °C
214 °F
ISO 75-1, -2
Processing Properties Metric English Comments
Processing Temperature 80.0 - 120 °C
176 - 248 °F
Cavity temperature
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
Mold Temperature 82.2 - 93.3 °C
180 - 200 °F
generally preferred range, may vary with thickness
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 0.500 MPa
72.5 psi
Hot-Working Temperature 190 - 200 °C
374 - 392 °F
Descriptive Properties Value Comments
Injection molding Yes
Injection Speed slow
Pellets Yes
Processing conditions ISO 9988-2
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