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Overview of materials for Medium Density Polyethylene (MDPE), Molded

Category Polymer , Thermoplastic , Polyethylene (PE) , MDPE , Medium Density Polyethylene (MDPE), Molded
Manufacturer
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
This property data is a summary of similar materials in the MatWeb database for the category "Medium Density Polyethylene (MDPE), Molded". 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 0.928 - 0.950 g/cc
0.0335 - 0.0343 lb/in³
Average value: 0.938 g/cc Grade Count:30
Water Absorption 0.0100 %
0.0100 %
Average value: 0.0100 % Grade Count:4
Environmental Stress Crack Resistance 30.0 - 5000 hour
30.0 - 5000 hour
Average value: 1220 hour Grade Count:6
110 - 220 hour

@Temperature 30.0 - 50.0 °C
110 - 220 hour

@Temperature 86.0 - 122 °F
Average value: 984 hour Grade Count:12
Melt Flow 0.0900 - 85.0 g/10 min
0.0900 - 85.0 g/10 min
Average value: 10.6 g/10 min Grade Count:30
Mechanical Properties Metric English Comments
Hardness, Shore D 59.0 - 63.0
59.0 - 63.0
Average value: 61.4 Grade Count:9
Tensile Strength, Ultimate 9.20 - 33.0 MPa
1330 - 4790 psi
Average value: 18.9 MPa Grade Count:13
Tensile Strength, Yield 14.0 - 22.8 MPa
2030 - 3300 psi
Average value: 18.9 MPa Grade Count:18
Elongation at Break 16.0 - 1210 %
16.0 - 1210 %
Average value: 463 % Grade Count:18
Elongation at Yield 8.00 - 13.0 %
8.00 - 13.0 %
Average value: 10.2 % Grade Count:6
Modulus of Elasticity 0.350 - 0.840 GPa
50.8 - 122 ksi
Average value: 0.648 GPa Grade Count:7
Flexural Modulus 0.480 - 0.970 GPa
69.6 - 141 ksi
Average value: 0.767 GPa Grade Count:21
Izod Impact, Notched 1.44 - 5.60 J/cm
2.70 - 10.5 ft-lb/in
Average value: 3.77 J/cm Grade Count:3
Charpy Impact, Notched 0.800 - 0.800 J/cm²

@Temperature -30.0 - -30.0 °C
3.81 - 3.81 ft-lb/in²

@Temperature -22.0 - -22.0 °F
Average value: 0.800 J/cm² Grade Count:1
Tensile Impact Strength 130 - 353 kJ/m²
61.9 - 168 ft-lb/in²
Average value: 221 kJ/m² Grade Count:4
Thermal Properties Metric English Comments
CTE, linear 90.0 - 500 µm/m-°C

@Temperature -20.0 - 100 °C
50.0 - 278 µin/in-°F

@Temperature -4.00 - 212 °F
Average value: 295 µm/m-°C Grade Count:1
Melting Point 117 - 131 °C
243 - 268 °F
Average value: 126 °C Grade Count:5
Deflection Temperature at 0.46 MPa (66 psi) 47.0 - 77.8 °C
117 - 172 °F
Average value: 54.8 °C Grade Count:14
Deflection Temperature at 1.8 MPa (264 psi) 37.3 - 41.0 °C
99.1 - 106 °F
Average value: 38.4 °C Grade Count:12
Vicat Softening Point 62.0 - 124 °C
144 - 255 °F
Average value: 104 °C Grade Count:14
Brittleness Temperature -118 - -70.0 °C
-180 - -94.0 °F
Average value: -90.6 °C Grade Count:5
Flammability, UL94 HB
HB
Grade Count:3
Electrical Properties Metric English Comments
Electrical Resistivity 1.00e+15 ohm-cm
1.00e+15 ohm-cm
Average value: 1.00e+15 ohm-cm Grade Count:3
Processing Properties Metric English Comments
Processing Temperature 160 - 220 °C
320 - 428 °F
Average value: 198 °C Grade Count:5
Melt Temperature 170 - 315 °C
338 - 599 °F
Average value: 231 °C Grade Count:7
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