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LG Chemical IF870S PMMA, General Purpose Grade for Injection Molding

Category Polymer , Thermoplastic , Acrylic (PMMA) , Acrylic, General Purpose, Molded
Manufacturer LG Chemical
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF LG Chemical IF870S PMMA, General Purpose Grade for Injection Molding.pdf
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Material Notes:
Highest flowability of all gradesFeatures: Excellent transparency and eleganceWeather resistance and chemical resistanceSurface hardness and coloring propertySuperior electrical resistance and mechanical propertiesNo harm causedApplications: Automotive Parts: Rear lamp coverTurn signal lamp coverIndoor lamp coverRear quarter glassAutomotive badgeElectric or Electronic Parts:LCD light guide plateMicrowave oven door/front panelCassette doorVCR cover/front panelCar stereo panelDial scaleLight pipeSheet:SignboardShowcaseLight domeAquariumPicture frameLighting and Miscellaneous:Solid surfaceLighting coverOrnamentsWatch crystalOptical lensPiano keyboardInformation Provided by LG Chem
Physical Properties Metric English Comments
Specific Gravity 1.18 g/cc
1.18 g/cc
ASTM D792
Water Absorption 0.30 %
0.30 %
24 hours; ASTM D570
Linear Mold Shrinkage 0.0020 - 0.0060 cm/cm
0.0020 - 0.0060 in/in
ASTM D955
Melt Index of Compound 23 g/10 min

@Load 3.80 kg,
Temperature 230 °C
23 g/10 min

@Load 8.38 lb,
Temperature 446 °F
ASTM D1238
Mechanical Properties Metric English Comments
Hardness, Rockwell M 90
90
ASTM D785
Tensile Strength at Break 63.0 MPa
9140 psi
ASTM D638
Elongation at Break 11 %
11 %
ASTM D638
Flexural Strength 128 MPa
18600 psi
ASTM D790
Flexural Modulus 3.431 GPa
497.6 ksi
ASTM D790
Izod Impact, Notched 0.147 J/cm
0.275 ft-lb/in
ASTM D256
Thermal Properties Metric English Comments
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) 88.0 °C
190 °F
ASTM D648
Vicat Softening Point 98.0 °C
208 °F
1 kg; ASTM D1525
Annealing Point 60.0 °C
140 °F
3-5 hours
Optical Properties Metric English Comments
Refractive Index 1.49
1.49
ASTM 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
Electrical Properties Metric English Comments
Volume Resistivity >= 1.00e+15 ohm-cm
>= 1.00e+15 ohm-cm
ASTM D257
Dielectric Constant 4.0

@Frequency 60 Hz
4.0

@Frequency 60 Hz
ASTM D150
Dielectric Strength 20.0 kV/mm
508 kV/in
4kV/s; ASTM D149
Dissipation Factor 0.050

@Frequency 60 Hz
0.050

@Frequency 60 Hz
ASTM D150
Processing Properties Metric English Comments
Processing Temperature 190 - 240 °C
374 - 464 °F
Injection molding cylinder temperature
Mold Temperature 60.0 - 80.0 °C
140 - 176 °F
Drying Temperature 60.0 - 70.0 °C
140 - 158 °F
Dry Time 4 - 6 hour
4 - 6 hour
Injection Pressure 58.84 - 137.3 MPa
8534 - 19910 psi
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