LG Chemical IH830 PMMA, General Purpose Grade for Injection Molding

LG Chemical IH830 PMMA, General Purpose Grade for Injection Molding 物性表: LG Chemical IH830 PMMA, General Purpose Grade for Injection Molding物性表及特性介绍,LG Chemical IH830 PMMA, General Purpose Grade for Injection Molding注塑参数详情,如需LG Chemical IH830 PMMA, General Purpose Grade for Injection Molding下载, 可到相关下载区下载
  • 吸水率 [%]: 0.3
  • 缺口冲击强度: 0.147
  • 弯曲模量 [MPa]: 3.298
  • 透光率 [%]: 93.0
 
Physical PropertiesMetricEnglishComments
Specific Gravity 1.18 g/cc1.18 g/ccASTM D792
Water Absorption 0.30 %0.30 %24 hours; ASTM D570
Linear Mold Shrinkage 0.0020 - 0.0060 cm/cm0.0020 - 0.0060 in/inASTM D955
Melt Index of Compound 2.5 g/10 min
@Load 3.80 kg,
Temperature 230 °C
2.5 g/10 min
@Load 8.38 lb,
Temperature 446 °F
ASTM D1238
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 9999ASTM D785
Tensile Strength at Break 75.0 MPa10900 psiASTM D638
Elongation at Break 14 %14 %ASTM D638
Flexural Strength 137 MPa19900 psiASTM D790
Flexural Modulus 3.298 GPa478.3 ksiASTM D790
Izod Impact, Notched 0.147 J/cm0.275 ft-lb/inASTM D256
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity >= 1.00e+15 ohm-cm>= 1.00e+15 ohm-cmASTM D257
Dielectric Constant 4.0
@Frequency 60 Hz
4.0
@Frequency 60 Hz
ASTM D150
Dielectric Strength 20.0 kV/mm508 kV/in4kV/s; ASTM D149
Dissipation Factor 0.050
@Frequency 60 Hz
0.050
@Frequency 60 Hz
ASTM D150
 
Thermal PropertiesMetricEnglishComments
CTE, linear 60.0 µm/m-°C
@Temperature 20.0 °C
33.3 µin/in-°F
@Temperature 68.0 °F
ASTM D696
Deflection Temperature at 1.8 MPa (264 psi) 103 °C217 °FASTM D648
Vicat Softening Point 113 °C235 °F1 kg; ASTM D1525
Annealing Point 80.0 - 90.0 °C176 - 194 °F3-5 hours
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.491.49ASTM D542
Haze 0.50 %
@Thickness 3.20 mm
0.50 %
@Thickness 0.126 in
ASTM D1003
Transmission, Visible 93 %
@Thickness 3.20 mm
93 %
@Thickness 0.126 in
ASTM D1003
 
Processing PropertiesMetricEnglishComments
Processing Temperature 220 - 260 °C428 - 500 °FInjection molding cylinder temperature
Mold Temperature 70.0 - 80.0 °C158 - 176 °F
Drying Temperature 80.0 - 90.0 °C176 - 194 °F
Dry Time 4 - 6 hour4 - 6 hour
Injection Pressure 78.45 - 147.1 MPa11380 - 21340 psi

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