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

Category Polymer , Thermoplastic , Polyethylene (PE) , LDPE , Low Density Polyethylene (LDPE), Extrusion Grade
Manufacturer
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 "Low Density Polyethylene (LDPE), Extrusion 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 0.915 - 0.939 g/cc
0.0331 - 0.0339 lb/in³
Average value: 0.920 g/cc Grade Count:72
Moisture Vapor Transmission 0.410 - 0.410 cc-mm/m²-24hr-atm

@Temperature 37.8 - 37.8 °C
1.04 - 1.04 cc-mil/100 in²-24hr-atm

@Temperature 100 - 100 °F
Average value: 0.410 cc-mm/m²-24hr-atm Grade Count:1
0.410 - 0.410 cc-mm/m²-24hr-atm

@Thickness 0.0254 - 0.0254 mm
1.04 - 1.04 cc-mil/100 in²-24hr-atm

@Thickness 0.00100 - 0.00100 in
Average value: 0.410 cc-mm/m²-24hr-atm Grade Count:1
Water Vapor Transmission 0.260 - 20.0 g/m²/day
0.0167 - 1.29 g/100 in²/day
Average value: 15.8 g/m²/day Grade Count:10
Environmental Stress Crack Resistance 18.0 - 10000 hour
18.0 - 10000 hour
Average value: 2760 hour Grade Count:4
Oxidative Induction Time (OIT) >= 40.0 min

@Temperature 200 - 200 °C
>= 40.0 min

@Temperature 392 - 392 °F
Average value: 40.0 min Grade Count:1
Thickness 25.0 - 150 microns
0.984 - 5.91 mil
Average value: 54.3 microns Grade Count:24
Melt Flow 0.180 - 16.0 g/10 min
0.180 - 16.0 g/10 min
Average value: 5.81 g/10 min Grade Count:58
Base Resin Melt Index 0.330 - 7.00 g/10 min
0.330 - 7.00 g/10 min
Average value: 2.98 g/10 min Grade Count:14
Mechanical Properties Metric English Comments
Hardness, Shore D 42.0 - 57.0
42.0 - 57.0
Average value: 48.6 Grade Count:21
Tensile Strength, Ultimate 9.00 - 18.0 MPa
1310 - 2610 psi
Average value: 11.4 MPa Grade Count:28
Tensile Strength, Yield 7.60 - 12.0 MPa
1100 - 1740 psi
Average value: 9.81 MPa Grade Count:21
Film Elongation at Break, MD 190 - 490 %
190 - 490 %
Average value: 297 % Grade Count:31
Film Elongation at Break, TD 220 - 900 %
220 - 900 %
Average value: 519 % Grade Count:31
Elongation at Break 226 - 650 %
226 - 650 %
Average value: 533 % Grade Count:28
Modulus of Elasticity 0.152 - 0.290 GPa
22.0 - 42.1 ksi
Average value: 0.204 GPa Grade Count:9
Flexural Modulus 0.0700 - 0.276 GPa
10.2 - 40.0 ksi
Average value: 0.199 GPa Grade Count:13
Secant Modulus, MD 0.0830 - 1.28 GPa
12.0 - 185 ksi
Average value: 0.232 GPa Grade Count:19
Secant Modulus, TD 0.124 - 1.18 GPa
18.0 - 171 ksi
Average value: 0.254 GPa Grade Count:19
Elmendorf Tear Strength MD 250 - 600 g
250 - 600 g
Average value: 465 g Grade Count:10
Elmendorf Tear Strength TD 55.0 - 500 g
55.0 - 500 g
Average value: 284 g Grade Count:12
Elmendorf Tear Strength, MD 2.50 - 12.0 g/micron
63.5 - 305 g/mil
Average value: 8.19 g/micron Grade Count:21
Elmendorf Tear Strength, TD 2.20 - 7.00 g/micron
55.9 - 178 g/mil
Average value: 4.71 g/micron Grade Count:22
Dart Drop 2.00 - 11.0 g/micron
50.8 - 279 g/mil
Average value: 3.48 g/micron Grade Count:24
Dart Drop Test 64.0 - 650 g
0.141 - 1.43 lb
Average value: 212 g Grade Count:13
Hot Tack Strength 225 g/25 mm
225 g/in
Average value: 225 g/25 mm Grade Count:3
Film Tensile Strength at Break, MD 11.0 - 78.5 MPa
1600 - 11400 psi
Average value: 23.6 MPa Grade Count:31
Film Tensile Strength at Break, TD 10.0 - 53.9 MPa
1450 - 7820 psi
Average value: 18.9 MPa Grade Count:31
Heat Seal Strength 1400 g/25 mm
3.09 lb/in
Average value: 1400 g/25 mm Grade Count:3
Thermal Properties Metric English Comments
Melting Point 104 - 113 °C
219 - 235 °F
Average value: 108 °C Grade Count:11
Vicat Softening Point 84.0 - 128 °C
183 - 262 °F
Average value: 91.9 °C Grade Count:44
Brittleness Temperature -76.0 - -60.0 °C
-105 - -76.0 °F
Average value: -72.0 °C Grade Count:4
Optical Properties Metric English Comments
Haze 5.00 - 17.0 %
5.00 - 17.0 %
Average value: 7.90 % Grade Count:21
Gloss 10.0 - 78.0 %
10.0 - 78.0 %
Average value: 59.2 % Grade Count:13
Electrical Properties Metric English Comments
Dielectric Constant 2.27 - 2.29
2.27 - 2.29
Average value: 2.28 Grade Count:3
Dissipation Factor 0.0000400 - 0.000100
0.0000400 - 0.000100
Average value: 0.0000640 Grade Count:3
Processing Properties Metric English Comments
Processing Temperature 200 - 340 °C
392 - 644 °F
Average value: 275 °C Grade Count:3
Adapter Temperature 204 - 221 °C
400 - 430 °F
Average value: 214 °C Grade Count:3
Die Temperature 204 - 221 °C
400 - 430 °F
Average value: 214 °C Grade Count:3
Melt Temperature 149 - 327 °C
300 - 620 °F
Average value: 214 °C Grade Count:42
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