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Overview of materials for Acetal Homopolymer, Unreinforced, Impact Grade

Category Polymer , Thermoplastic , Acetal (POM) , Acetal Homopolymer, Unreinforced, Impact Grade
Manufacturer
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Overview of materials for Acetal Homopolymer, Unreinforced, Impact Grade.pdf
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Material Notes:
This property data is a summary of similar materials in the MatWeb database for the category "Acetal Homopolymer, Unreinforced, Impact Grade". Each property range of values reported is minimum and maximum values of appropriate MatWeb entries. The comments report the average value, and number of data points used to calculate the average. The values are not necessarily typical of any specific grade, especially less common values and those that can be most affected by additives or processing methods.
Physical Properties Metric English Comments
Density 1.26 - 1.42 g/cc
0.0455 - 0.0513 lb/in³
Average value: 1.37 g/cc Grade Count:43
1.14 - 1.16 g/cc

@Temperature 200 - 215 °C
0.0412 - 0.0419 lb/in³

@Temperature 392 - 419 °F
Average value: 1.15 g/cc Grade Count:6
Water Absorption 0.500 - 0.900 %
0.500 - 0.900 %
Average value: 0.784 % Grade Count:5
Moisture Absorption at Equilibrium 0.170 - 0.350 %
0.170 - 0.350 %
Average value: 0.246 % Grade Count:5
Water Absorption at Saturation 0.650 - 1.20 %
0.650 - 1.20 %
Average value: 0.837 % Grade Count:20
Linear Mold Shrinkage 0.0120 - 0.0220 cm/cm
0.0120 - 0.0220 in/in
Average value: 0.0176 cm/cm Grade Count:35
Linear Mold Shrinkage, Transverse 0.0110 - 0.0190 cm/cm
0.0110 - 0.0190 in/in
Average value: 0.0162 cm/cm Grade Count:26
Melt Flow 0.600 - 25.0 g/10 min
0.600 - 25.0 g/10 min
Average value: 7.14 g/10 min Grade Count:42
Mechanical Properties Metric English Comments
Hardness, Rockwell M 18.7 - 92.0
18.7 - 92.0
Average value: 64.4 Grade Count:9
Hardness, Rockwell R 103 - 120
103 - 120
Average value: 114 Grade Count:9
Tensile Strength, Ultimate 61.0 - 72.0 MPa
8850 - 10400 psi
Average value: 68.6 MPa Grade Count:10
Tensile Strength, Yield 30.0 - 70.0 MPa
4350 - 10200 psi
Average value: 47.9 MPa Grade Count:34
Elongation at Break 25.0 - 70.0 %
25.0 - 70.0 %
Average value: 46.0 % Grade Count:31
Elongation at Yield 7.00 - 33.0 %
7.00 - 33.0 %
Average value: 16.3 % Grade Count:34
Modulus of Elasticity 0.950 - 3.23 GPa
138 - 468 ksi
Average value: 2.11 GPa Grade Count:43
>= 0.161 GPa

@Temperature -100 - 150 °C
>= 23.4 ksi

@Temperature -148 - 302 °F
Average value: 2.53 GPa Grade Count:1
Flexural Yield Strength 34.0 - 60.0 MPa
4930 - 8700 psi
Average value: 51.1 MPa Grade Count:9
Flexural Modulus 0.950 - 3.05 GPa
138 - 442 ksi
Average value: 1.81 GPa Grade Count:28
Shear Modulus 0.369 - 1.04 GPa
53.5 - 151 ksi
Average value: 0.582 GPa Grade Count:4
>= 0.0444 GPa

@Temperature -50.0 - 150 °C
>= 6.44 ksi

@Temperature -58.0 - 302 °F
Average value: 0.540 GPa Grade Count:4
Izod Impact, Notched (ISO) 8.00 - 90.0 kJ/m²
3.81 - 42.8 ft-lb/in²
Average value: 31.0 kJ/m² Grade Count:4
8.00 - 20.0 kJ/m²

@Temperature -40.0 - -40.0 °C
3.81 - 9.52 ft-lb/in²

@Temperature -40.0 - -40.0 °F
Average value: 11.5 kJ/m² Grade Count:4
Charpy Impact Unnotched 13.0 - 1000 J/cm²
61.9 - 4760 ft-lb/in²
Average value: 16.3 J/cm² Grade Count:29
9.00 - 999.9 J/cm²

@Temperature -30.0 - -30.0 °C
42.8 - 4759 ft-lb/in²

@Temperature -22.0 - -22.0 °F
Average value: 18.8 J/cm² Grade Count:28
Charpy Impact, Notched 0.650 - 10.0 J/cm²
3.09 - 47.6 ft-lb/in²
Average value: 2.30 J/cm² Grade Count:43
0.550 - 2.00 J/cm²

@Temperature -30.0 - -30.0 °C
2.62 - 9.52 ft-lb/in²

@Temperature -22.0 - -22.0 °F
Average value: 0.974 J/cm² Grade Count:34
Tensile Creep Modulus, 1 hour 1100 - 2300 MPa
160000 - 334000 psi
Average value: 1580 MPa Grade Count:9
Tensile Creep Modulus, 1000 hours 550 - 1200 MPa
79800 - 174000 psi
Average value: 867 MPa Grade Count:9
Thermal Properties Metric English Comments
CTE, linear 100 - 130 µm/m-°C
55.6 - 72.2 µin/in-°F
Average value: 120 µm/m-°C Grade Count:28
CTE, linear, Transverse to Flow 110 - 140 µm/m-°C
61.1 - 77.8 µin/in-°F
Average value: 118 µm/m-°C Grade Count:19
Melting Point 165 - 178 °C
329 - 352 °F
Average value: 170 °C Grade Count:32
Deflection Temperature at 0.46 MPa (66 psi) 100 - 168 °C
212 - 334 °F
Average value: 144 °C Grade Count:29
Deflection Temperature at 1.8 MPa (264 psi) 60.0 - 104 °C
140 - 219 °F
Average value: 79.7 °C Grade Count:41
Annealing Point 160 °C
320 °F
Average value: 160 °C Grade Count:11
Flammability, UL94 HB
HB
Grade Count:19
Flame Spread 41.0 - 55.0 mm/min
1.61 - 2.17 in/min
Average value: 44.2 mm/min Grade Count:10
Electrical Properties Metric English Comments
Electrical Resistivity 1.00e+11 - 1.00e+15 ohm-cm
1.00e+11 - 1.00e+15 ohm-cm
Average value: 1.06e+14 ohm-cm Grade Count:11
Surface Resistance 1.00e+13 - 1.00e+15 ohm
1.00e+13 - 1.00e+15 ohm
Average value: 1.70e+14 ohm Grade Count:11
Dielectric Constant 3.40 - 4.40
3.40 - 4.40
Average value: 3.90 Grade Count:11
Dielectric Strength 28.0 kV/mm
711 kV/in
Average value: 28.0 kV/mm Grade Count:3
Dissipation Factor 0.00300 - 0.0200
0.00300 - 0.0200
Average value: 0.00918 Grade Count:9
Comparative Tracking Index 600 V
600 V
Average value: 600 V Grade Count:12
Processing Properties Metric English Comments
Processing Temperature 60.0 - 200 °C
140 - 392 °F
Average value: 113 °C Grade Count:19
Die Temperature 180 - 200 °C
356 - 392 °F
Average value: 192 °C Grade Count:18
Melt Temperature 20.0 - 215 °C
68.0 - 419 °F
Average value: 184 °C Grade Count:30
Mold Temperature 40.0 - 80.0 °C
104 - 176 °F
Average value: 50.9 °C Grade Count:12
Drying Temperature 75.0 - 120 °C
167 - 248 °F
Average value: 87.9 °C Grade Count:31
Moisture Content 0.0500 - 0.150 %
0.0500 - 0.150 %
Average value: 0.0853 % Grade Count:17
Injection Pressure 60.0 - 120 MPa
8700 - 17400 psi
Average value: 90.0 MPa Grade Count:18
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