Overview of materials for Low Density Polyethylene (LDPE), Molded

Overview of materials for Low Density Polyethylene (LDPE), Molded 物性表: Overview of materials for Low Density Polyethylene (LDPE), Molded物性表及特性介绍,Overview of materials for Low Density Polyethylene (LDPE), Molded注塑参数详情,如需Overview of materials for Low Density Polyethylene (LDPE), Molded下载, 可到相关下载区下载
  • 熔体流动速率 [g/10min]: 0.2
  • 密度 [g/cm3]: 0.91
  • 吸水率 [%]: 0.01
  • 缺口冲击强度: 0.427
  • 拉伸强度 [MPa]: 7.7
  • 断裂伸长率 [%]: 9.03
  • 弯曲强度 [MPa]: 2.8
  • 弯曲模量 [MPa]: 0.0248
  • 热变形温度 [℃]: 40.0
  • 脆化温度 [℃]: -85.0
  • 透光率 [%]: 50.0
 
Physical PropertiesMetricEnglishComments
Density 0.910 - 0.980 g/cc0.0329 - 0.0354 lb/in³Average value: 0.921 g/cc Grade Count:205
Water Absorption 0.0100 %0.0100 %Average value: 0.0100 % Grade Count:22
Moisture Absorption at Equilibrium 0.0100 %0.0100 %Average value: 0.0100 % Grade Count:20
Particle Size 5.00 - 50.0 µm5.00 - 50.0 µmAverage value: 27.5 µm Grade Count:3
Particle Mesh Size 16.0 - 50.0 Mesh16.0 - 50.0 MeshAverage value: 39.3 Mesh Grade Count:6
Water Vapor Transmission 15.5 - 18.6 g/m²/day0.998 - 1.20 g/100 in²/dayAverage value: 17.4 g/m²/day Grade Count:5
Oxygen Transmission 197 - 200 cc-mm/m²-24hr-atm500 - 508 cc-mil/100 in²-24hr-atmAverage value: 199 cc-mm/m²-24hr-atm Grade Count:5
Viscosity  21000 - 305000 cP
@Temperature 190 - 190 °C
21000 - 305000 cP
@Temperature 374 - 374 °F
Average value: 91600 cP Grade Count:8
 21000 - 305000 cP
@Shear Rate 300 - 5000 1/s
21000 - 305000 cP
@Shear Rate 300 - 5000 1/s
Average value: 91600 cP Grade Count:8
Environmental Stress Crack Resistance 1.00 - 1500 hour1.00 - 1500 hourAverage value: 358 hour Grade Count:7
 1.00 - 1.00 hour
@Temperature 50.0 - 50.0 °C
1.00 - 1.00 hour
@Temperature 122 - 122 °F
Average value: 1.00 hour Grade Count:2
 1.00 - 1.00 hour
@Thickness 2.00 - 2.00 mm
1.00 - 1.00 hour
@Thickness 0.0787 - 0.0787 in
Average value: 1.00 hour Grade Count:2
Maximum Moisture Content 0.1000.100Average value: 0.100 Grade Count:3
Thickness 5.00 - 300 microns0.197 - 11.8 milAverage value: 35.2 microns Grade Count:16
Linear Mold Shrinkage 0.0100 - 0.0500 cm/cm0.0100 - 0.0500 in/inAverage value: 0.0197 cm/cm Grade Count:7
Melt Flow 0.200 - 2300 g/10 min0.200 - 2300 g/10 minAverage value: 36.6 g/10 min Grade Count:177
Base Resin Melt Index 0.500 - 25.0 g/10 min0.500 - 25.0 g/10 minAverage value: 6.32 g/10 min Grade Count:9
Coating Weight 4.80 - 9.60 g/m²3.00 - 6.00 lb/reamAverage value: 6.40 g/m² Grade Count:3
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 81.0 - 97.081.0 - 97.0Average value: 91.0 Grade Count:20
Hardness, Shore D 38.0 - 56.038.0 - 56.0Average value: 48.6 Grade Count:108
Tensile Strength, Ultimate 2.80 - 56.5 MPa406 - 8200 psiAverage value: 11.0 MPa Grade Count:145
Film Tensile Strength at Yield, MD 12.0 - 30.0 MPa1740 - 4350 psiAverage value: 24.2 MPa Grade Count:5
Film Tensile Strength at Yield, TD 9.00 - 11.0 MPa1310 - 1600 psiAverage value: 9.81 MPa Grade Count:7
Tensile Strength, Yield 7.70 - 136 MPa1120 - 19700 psiAverage value: 11.7 MPa Grade Count:146
Film Elongation at Break, MD 200 - 650 %200 - 650 %Average value: 354 % Grade Count:14
Film Elongation at Break, TD 550 - 930 %550 - 930 %Average value: 741 % Grade Count:13
Elongation at Break 13.5 - 800 %13.5 - 800 %Average value: 331 % Grade Count:170
Elongation at Yield 13.0 - 400 %13.0 - 400 %Average value: 29.5 % Grade Count:34
Modulus of Elasticity 0.110 - 0.449 GPa16.0 - 65.1 ksiAverage value: 0.230 GPa Grade Count:58
Flexural Yield Strength 9.03 - 48.3 MPa1310 - 7000 psiAverage value: 22.1 MPa Grade Count:3
Flexural Modulus 0.0248 - 1.38 GPa3.60 - 200 ksiAverage value: 0.224 GPa Grade Count:95
Secant Modulus 0.132 - 1.45 GPa19.1 - 210 ksiAverage value: 0.270 GPa Grade Count:20
Secant Modulus, MD 0.138 - 0.234 GPa20.0 - 33.9 ksiAverage value: 0.182 GPa Grade Count:12
Secant Modulus, TD 0.152 - 0.276 GPa22.0 - 40.0 ksiAverage value: 0.218 GPa Grade Count:12
Izod Impact, Notched 0.427 - 5340 J/cm0.800 - 10000 ft-lb/inAverage value: 3.48 J/cm Grade Count:10
 0.380 - 1.50 J/cm
@Temperature -40.0 - -20.0 °C
0.712 - 2.81 ft-lb/in
@Temperature -40.0 - -4.00 °F
Average value: 0.940 J/cm Grade Count:1
Izod Impact, Notched (ISO) 24.0 - 69.4 kJ/m²
@Temperature -50.0 - -50.0 °C
11.4 - 33.0 ft-lb/in²
@Temperature -58.0 - -58.0 °F
Average value: 40.5 kJ/m² Grade Count:10
Charpy Impact Unnotched >= 30.0 J/cm²
@Temperature -40.0 - -20.0 °C
>= 143 ft-lb/in²
@Temperature -40.0 - -4.00 °F
Average value: 30.0 J/cm² Grade Count:1
Tensile Impact Strength 200 - 315 kJ/m²95.2 - 150 ft-lb/in²Average value: 263 kJ/m² Grade Count:3
Dart Drop, Total Energy 24.4048 - 24.4048 J
@Temperature -20.0 - -20.0 °C
18.0000 - 18.0000 ft-lb
@Temperature -4.00 - -4.00 °F
Average value: 24.4 J Grade Count:1
Coefficient of Friction 0.120 - 0.7000.120 - 0.700Average value: 0.357 Grade Count:3
Elmendorf Tear Strength, MD 8.00 - 18.2 g/micron203 - 463 g/milAverage value: 12.4 g/micron Grade Count:7
Elmendorf Tear Strength, TD 1.84 - 45.8 g/micron46.7 - 1160 g/milAverage value: 14.4 g/micron Grade Count:8
Dart Drop 2.36 - 30.0 g/micron59.9 - 762 g/milAverage value: 5.87 g/micron Grade Count:13
Dart drop Test 90.0 - 126 g0.198 - 0.278 lbAverage value: 106 g Grade Count:6
Film Tensile Strength at Break, MD 20.0 - 59.0 MPa2900 - 8560 psiAverage value: 30.1 MPa Grade Count:13
Film Tensile Strength at Break, TD 15.2 - 45.0 MPa2200 - 6530 psiAverage value: 22.8 MPa Grade Count:13
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 1.00e+15 - 1.00e+16 ohm-cm1.00e+15 - 1.00e+16 ohm-cmAverage value: 1.82e+15 ohm-cm Grade Count:22
Surface Resistance 100 - 1.00e+14 ohm100 - 1.00e+14 ohmAverage value: 9.41e+13 ohm Grade Count:17
Dielectric Constant 2.30 - 2.602.30 - 2.60Average value: 2.36 Grade Count:20
Dissipation Factor 0.000200 - 0.003000.000200 - 0.00300Average value: 0.000620 Grade Count:20
Comparative Tracking Index 600 V600 VAverage value: 600 V Grade Count:20
 
Thermal PropertiesMetricEnglishComments
CTE, linear 180 - 230 µm/m-°C100 - 128 µin/in-°FAverage value: 218 µm/m-°C Grade Count:20
Melting Point 95.0 - 115 °C203 - 238 °FAverage value: 108 °C Grade Count:75
Deflection Temperature at 0.46 MPa (66 psi) 40.0 - 72.8 °C104 - 163 °FAverage value: 44.2 °C Grade Count:23
Deflection Temperature at 1.8 MPa (264 psi) 38.0 - 101 °C100 - 214 °FAverage value: 71.2 °C Grade Count:5
Vicat Softening Point 52.0 - 117 °C126 - 243 °FAverage value: 89.3 °C Grade Count:151
Brittleness Temperature -85.0 - 0.000 °C-121 - 32.0 °FAverage value: -52.5 °C Grade Count:80
Flammability, UL94 HBHBGrade Count:20
Oxygen Index 17.0 %17.0 %Average value: 17.0 % Grade Count:16
Ring & Ball Softening Point 109 - 130 °C228 - 266 °FAverage value: 118 °C Grade Count:4
Shrinkage 1.00 - 4.00 %1.00 - 4.00 %Average value: 2.45 % Grade Count:6
 
Optical PropertiesMetricEnglishComments
Haze 3.30 - 20.0 %3.30 - 20.0 %Average value: 8.46 % Grade Count:13
Gloss 7.80 - 83.0 %7.80 - 83.0 %Average value: 58.4 % Grade Count:18
Transmission, Visible 50.0 - 95.0 %50.0 - 95.0 %Average value: 76.3 % Grade Count:4
 
Processing PropertiesMetricEnglishComments
Processing Temperature 82.2 - 250 °C180 - 482 °FAverage value: 160 °C Grade Count:8
Melt Temperature 105 - 329 °C221 - 625 °FAverage value: 197 °C Grade Count:16
Mold Temperature 15.0 - 65.6 °C59.0 - 150 °FAverage value: 36.0 °C Grade Count:10
Injection Pressure 68.9 - 103 MPa10000 - 15000 psiAverage value: 86.2 MPa Grade Count:3

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