Overview of materials for High Density Polyethylene (HDPE), Injection Molded

Category	Polymer , Thermoplastic , Polyethylene (PE) , HDPE , High Density Polyethylene (HDPE), Injection Molded
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Trade Name
Port	Ningbo 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 "High Density Polyethylene (HDPE), Injection 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	0.924 - 2.55 g/cc	0.0334 - 0.0921 lb/in³	Average value: 0.963 g/cc Grade Count:385
Apparent Bulk Density	0.590 - 0.610 g/cc	0.0213 - 0.0220 lb/in³	Average value: 0.595 g/cc Grade Count:17
Water Absorption	0.000 - 0.0700 %	0.000 - 0.0700 %	Average value: 0.0157 % Grade Count:21
Moisture Absorption at Equilibrium	0.0100 - 0.0500 %	0.0100 - 0.0500 %	Average value: 0.0200 % Grade Count:4
Particle Size	5.00 - 1200 µm	5.00 - 1200 µm	Average value: 614 µm Grade Count:4
Viscosity	32000 - 200000 cP @Temperature 190 - 190 °C	32000 - 200000 cP @Temperature 374 - 374 °F	Average value: 89000 cP Grade Count:7
	32000 - 200000 cP @Shear Rate 300 - 5000 1/s	32000 - 200000 cP @Shear Rate 300 - 5000 1/s	Average value: 89000 cP Grade Count:7
Environmental Stress Crack Resistance	1.00 - 3000 hour	1.00 - 3000 hour	Average value: 174 hour Grade Count:93
	2.00 - 500 hour @Temperature 50.0 - 50.0 °C	2.00 - 500 hour @Temperature 122 - 122 °F	Average value: 132 hour Grade Count:14
	2.00 - 10.0 hour @Temperature 50.0 - 50.0 °C	2.00 - 10.0 hour @Temperature 122 - 122 °F	Average value: 132 hour Grade Count:12
	2.00 - 10.0 hour @Thickness 1.90 - 2.00 mm	2.00 - 10.0 hour @Thickness 0.0748 - 0.0787 in	Average value: 132 hour Grade Count:12
Oxidative Induction Time (OIT)	20.0 - 100 min	20.0 - 100 min	Average value: 47.5 min Grade Count:4
Linear Mold Shrinkage	0.00800 - 0.0400 cm/cm	0.00800 - 0.0400 in/in	Average value: 0.0192 cm/cm Grade Count:26
Linear Mold Shrinkage, Transverse	0.00960 - 0.0300 cm/cm	0.00960 - 0.0300 in/in	Average value: 0.0162 cm/cm Grade Count:7
Melt Flow	0.0250 - 1610 g/10 min	0.0250 - 1610 g/10 min	Average value: 27.8 g/10 min Grade Count:364
Base Resin Melt Index	2.00 - 20.0 g/10 min	2.00 - 20.0 g/10 min	Average value: 7.00 g/10 min Grade Count:8
Spiral Flow	15.5 - 55.8 cm	6.10 - 22.0 in	Average value: 33.6 cm Grade Count:39
Ash	0.0300 - 0.0500 %	0.0300 - 0.0500 %	Average value: 0.0433 % Grade Count:3

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	33.0 - 66.0	33.0 - 66.0	Average value: 48.7 Grade Count:7
Hardness, Shore D	55.0 - 76.0	55.0 - 76.0	Average value: 64.4 Grade Count:188
Ball Indentation Hardness	35.0 - 45.0 MPa	5080 - 6530 psi	Average value: 41.4 MPa Grade Count:9
Tensile Strength, Ultimate	10.0 - 43.0 MPa	1450 - 6240 psi	Average value: 21.4 MPa Grade Count:141
Film Tensile Strength at Yield, MD	21.0 - 35.0 MPa	3050 - 5080 psi	Average value: 28.9 MPa Grade Count:5
Film Tensile Strength at Yield, TD	23.0 - 37.5 MPa	3340 - 5440 psi	Average value: 31.1 MPa Grade Count:5
Tensile Strength, Yield	11.0 - 43.0 MPa	1600 - 6240 psi	Average value: 26.2 MPa Grade Count:322
Film Elongation at Break, MD	595 - 900 %	595 - 900 %	Average value: 709 % Grade Count:5
Film Elongation at Break, TD	650 - 950 %	650 - 950 %	Average value: 860 % Grade Count:5
Elongation at Break	4.00 - 1900 %	4.00 - 1900 %	Average value: 537 % Grade Count:274
Elongation at Yield	6.60 - 80.0 %	6.60 - 80.0 %	Average value: 11.8 % Grade Count:73
Modulus of Elasticity	0.450 - 1.50 GPa	65.3 - 218 ksi	Average value: 0.911 GPa Grade Count:51
Flexural Yield Strength	13.8 - 48.3 MPa	2000 - 7000 psi	Average value: 29.2 MPa Grade Count:22
Flexural Modulus	0.280 - 4.40 GPa	40.6 - 638 ksi	Average value: 1.10 GPa Grade Count:288
Compressive Yield Strength	4.00 - 23.0 MPa	580 - 3340 psi	Average value: 12.6 MPa Grade Count:8
Secant Modulus	0.750 - 1.54 GPa	109 - 224 ksi	Average value: 1.06 GPa Grade Count:26
Izod Impact, Notched	0.196 - 5340 J/cm	0.367 - 10000 ft-lb/in	Average value: 0.790 J/cm Grade Count:135
	0.224238 - 5338.47 J/cm @Temperature -40.0 - -18.0 °C	0.420090 - 10001.1 ft-lb/in @Temperature -40.0 - -0.400 °F	Average value: 1.67 J/cm Grade Count:24
Izod Impact, Unnotched	0.300 - 5340 J/cm	0.562 - 10000 ft-lb/in	Average value: 0.300 J/cm Grade Count:3
	5338.47 - 5338.47 J/cm @Temperature -18.0 - -18.0 °C	10001.1 - 10001.1 ft-lb/in @Temperature -0.400 - -0.400 °F	Grade Count:2
Izod Impact, Notched (ISO)	2.00 - 80.1 kJ/m²	0.952 - 38.1 ft-lb/in²	Average value: 30.8 kJ/m² Grade Count:14
Izod Impact, Unnotched (ISO)	8.00 - 20.0 kJ/m²	3.81 - 9.52 ft-lb/in²	Average value: 16.0 kJ/m² Grade Count:3
Charpy Impact Unnotched	NB	NB	Grade Count:7
Charpy Impact, Notched	0.200 - 11.0 J/cm²	0.952 - 52.4 ft-lb/in²	Average value: 2.79 J/cm² Grade Count:32
Tensile Impact Strength	34.0 - 330 kJ/m²	16.2 - 157 ft-lb/in²	Average value: 123 kJ/m² Grade Count:9
	208.32 - 348.6 kJ/m² @Temperature -40.0 - -40.0 °C	99.128 - 165.9 ft-lb/in² @Temperature -40.0 - -40.0 °F	Average value: 289 kJ/m² Grade Count:6
Falling Dart Impact	31.1839 - 176.257 J @Temperature -40.0 - -40.0 °C	23.0000 - 130.000 ft-lb @Temperature -40.0 - -40.0 °F	Average value: 125 J Grade Count:3
Coefficient of Friction	0.0270 - 0.300	0.0270 - 0.300	Average value: 0.136 Grade Count:3
Tensile Creep Modulus, 1 hour	400 - 570 MPa	58000 - 82700 psi	Average value: 465 MPa Grade Count:4
Tensile Creep Modulus, 1000 hours	270 - 400 MPa	39200 - 58000 psi	Average value: 318 MPa Grade Count:4
Tear Strength Test	23.5 - 30.0	23.5 - 30.0	Average value: 28.4 Grade Count:4
Elmendorf Tear Strength, MD	0.600 - 1.60 g/micron	15.2 - 40.6 g/mil	Average value: 0.940 g/micron Grade Count:5
Elmendorf Tear Strength, TD	1.70 - 23.0 g/micron	43.2 - 584 g/mil	Average value: 10.5 g/micron Grade Count:5
Dart Drop	1.50 - 2.00 g/micron	38.1 - 50.8 g/mil	Average value: 1.67 g/micron Grade Count:4
Film Tensile Strength at Break, MD	35.6 - 55.0 MPa	5160 - 7980 psi	Average value: 47.1 MPa Grade Count:5
Film Tensile Strength at Break, TD	28.0 - 50.0 MPa	4060 - 7250 psi	Average value: 42.2 MPa Grade Count:5

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