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Overview of materials for Low Density Polyethylene (LDPE), Film Grade

Category Polymer , Film , Thermoplastic , Polyethylene (PE) , LDPE , Low Density Polyethylene (LDPE), Film Grade
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 "Low Density Polyethylene (LDPE), Film 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 0.917 - 1.00 g/cc
0.0331 - 0.0361 lb/in³
Average value: 0.923 g/cc Grade Count:324
Water Absorption 0.0100 %
0.0100 %
Average value: 0.0100 % Grade Count:17
Moisture Absorption at Equilibrium 0.0100 %
0.0100 %
Average value: 0.0100 % Grade Count:17
Water Vapor Transmission 1.03 - 14.0 g/m²/day
0.0663 - 0.902 g/100 in²/day
Average value: 10.9 g/m²/day Grade Count:8
Oxygen Transmission Rate 2000 - 6300 cc/m²/day
129 - 406 cc/100 in²/day
Average value: 3980 cc/m²/day Grade Count:8
Nitrogen Transmission 3500 - 7500 cc-mm/m²-24hr-atm
8890 - 19100 cc-mil/100 in²-24hr-atm
Average value: 4500 cc-mm/m²-24hr-atm Grade Count:4
Environmental Stress Crack Resistance 168 - 500 hour
168 - 500 hour
Average value: 263 hour Grade Count:7
Vinyl Acetate Content 2.50 - 6.60 %
2.50 - 6.60 %
Average value: 4.60 % Grade Count:13
Thickness 12.7 - 300 microns
0.500 - 11.8 mil
Average value: 49.9 microns Grade Count:219
Melt Flow 0.120 - 60.0 g/10 min
0.120 - 60.0 g/10 min
Average value: 2.02 g/10 min Grade Count:309
Mechanical Properties Metric English Comments
Hardness, Shore D 42.0 - 60.0
42.0 - 60.0
Average value: 51.1 Grade Count:30
Tensile Strength, Ultimate 7.85 - 34.5 MPa
1140 - 5000 psi
Average value: 13.2 MPa Grade Count:75
Film Tensile Strength at Yield, MD 6.89 - 28.0 MPa
1000 - 4060 psi
Average value: 11.1 MPa Grade Count:131
Film Tensile Strength at Yield, TD 6.21 - 15.9 MPa
900 - 2300 psi
Average value: 10.9 MPa Grade Count:140
Tensile Strength, Yield 8.30 - 21.0 MPa
1200 - 3050 psi
Average value: 11.5 MPa Grade Count:59
Film Elongation at Break, MD 100 - 640 %
100 - 640 %
Average value: 323 % Grade Count:269
Film Elongation at Break, TD 249 - 1330 %
249 - 1330 %
Average value: 602 % Grade Count:268
Film Elongation at Yield, MD 5.60 - 330 %
5.60 - 330 %
Average value: 29.8 % Grade Count:14
Film Elongation at Yield, TD 5.00 - 520 %
5.00 - 520 %
Average value: 42.2 % Grade Count:14
Elongation at Break 50.0 - 1000 %
50.0 - 1000 %
Average value: 444 % Grade Count:89
Elongation at Yield 13.0 - 100 %
13.0 - 100 %
Average value: 27.9 % Grade Count:21
Modulus of Elasticity 0.160 - 0.442 GPa
23.2 - 64.1 ksi
Average value: 0.240 GPa Grade Count:71
Flexural Modulus 0.214 - 0.262 GPa
31.0 - 38.0 ksi
Average value: 0.236 GPa Grade Count:5
Secant Modulus 0.130 - 1.35 GPa
18.9 - 196 ksi
Average value: 0.737 GPa Grade Count:7
Secant Modulus, MD 0.0600 - 0.366 GPa
8.70 - 53.1 ksi
Average value: 0.191 GPa Grade Count:198
Secant Modulus, TD 0.0900 - 0.414 GPa
13.1 - 60.0 ksi
Average value: 0.219 GPa Grade Count:195
Tensile Impact 130 - 350 J/cm
244 - 656 ft-lb/in
Average value: 225 J/cm Grade Count:13
Puncture Energy 0.203 - 7.00 J
0.150 - 5.16 ft-lb
Average value: 1.70 J Grade Count:29
Coefficient of Friction 0.0900 - 1.00
0.0900 - 1.00
Average value: 0.429 Grade Count:140
Tear Strength, Total 2.00 - 4.00 N
0.450 - 0.899 lb (f)
Average value: 3.00 N Grade Count:7
Tear Strength 20.0 - 373 kN/m
114 - 2130 pli
Average value: 79.8 kN/m Grade Count:15
Elmendorf Tear Strength MD 8.83 - 1070 g
8.83 - 1070 g
Average value: 316 g Grade Count:122
Elmendorf Tear Strength TD 8.34 - 1370 g
8.34 - 1370 g
Average value: 239 g Grade Count:137
Elmendorf Tear Strength, MD 1.20 - 15.7 g/micron
30.5 - 400 g/mil
Average value: 7.69 g/micron Grade Count:136
Elmendorf Tear Strength, TD 2.10 - 100 g/micron
53.3 - 2540 g/mil
Average value: 7.49 g/micron Grade Count:149
Dart Drop 1.30 - 100 g/micron
33.0 - 2540 g/mil
Average value: 4.92 g/micron Grade Count:158
Dart Drop Test 40.0 - 1500 g
0.0882 - 3.31 lb
Average value: 178 g Grade Count:217
Film Tensile Strength at Break, MD 14.0 - 72.0 MPa
2030 - 10400 psi
Average value: 26.4 MPa Grade Count:257
Film Tensile Strength at Break, TD 11.0 - 57.0 MPa
1600 - 8270 psi
Average value: 21.4 MPa Grade Count:255
Heat Seal Strength 3.00 - 10.8 g/25 mm
0.00661 - 0.0238 lb/in
Average value: 6.64 g/25 mm Grade Count:13
Heat Seal Strength Initiation Temperature 100 - 105 °C
212 - 221 °F
Average value: 104 °C Grade Count:8
Thermal Properties Metric English Comments
CTE, linear 180 - 230 µm/m-°C
100 - 128 µin/in-°F
Average value: 206 µm/m-°C Grade Count:17
Melting Point 105 - 121 °C
221 - 250 °F
Average value: 112 °C Grade Count:135
Crystallization Temperature 95.0 - 104 °C
203 - 219 °F
Average value: 98.4 °C Grade Count:10
Deflection Temperature at 0.46 MPa (66 psi) 41.0 - 45.0 °C
106 - 113 °F
Average value: 42.9 °C Grade Count:17
Vicat Softening Point 85.0 - 107 °C
185 - 225 °F
Average value: 94.4 °C Grade Count:156
Brittleness Temperature -76.0 - -38.0 °C
-105 - -36.4 °F
Average value: -73.6 °C Grade Count:40
Flammability, UL94 HB
HB
Grade Count:17
Oxygen Index 17.0 %
17.0 %
Average value: 17.0 % Grade Count:17
Optical Properties Metric English Comments
Haze 1.30 - 27.5 %
1.30 - 27.5 %
Average value: 8.48 % Grade Count:271
Gloss 8.20 - 135 %
8.20 - 135 %
Average value: 69.2 % Grade Count:265
Transmission, Visible 55.0 - 90.0 %
55.0 - 90.0 %
Average value: 89.0 % Grade Count:34
Electrical Properties Metric English Comments
Electrical Resistivity 500 - 1.00e+15 ohm-cm
500 - 1.00e+15 ohm-cm
Average value: 5.67e+14 ohm-cm Grade Count:31
Surface Resistance 31000 - 1.00e+14 ohm
31000 - 1.00e+14 ohm
Average value: 5.67e+13 ohm Grade Count:31
Static Decay 2.00 sec
2.00 sec
Average value: 2.00 sec Grade Count:13
Dielectric Constant 2.30
2.30
Average value: 2.30 Grade Count:17
Dissipation Factor 0.000200
0.000200
Average value: 0.000200 Grade Count:17
Comparative Tracking Index 600 V
600 V
Average value: 600 V Grade Count:17
Processing Properties Metric English Comments
Processing Temperature 140 - 230 °C
284 - 446 °F
Average value: 194 °C Grade Count:32
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