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PMMA MOULDING-LG-LH830A

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PMMA MOULDING-LG-LH830A
SKU: PMMA MOULDING-LG-LH830A Categories: , Tags: , , , , , ,

Material Notes:

Highest of all grades in heat resistanceMechanical strength and surface hardnessParticularly recommended for tail lamp, reflectors, and general lighting fixturesFeatures: 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

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 Properties Metric English Comments
Hardness, Rockwell M 99 99 ASTM D785
Tensile Strength at Break 75.0 MPa 10900 psi ASTM D638
Elongation at Break 14 % 14 % ASTM D638
Flexural Strength 137 MPa 19900 psi ASTM D790
Flexural Modulus 3.298 GPa 478.3 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) 103 °C 217 °F  

ASTM D648

 
Vicat Softening Point Thermal Properties 113 °C

Metric

235 °F

English

1 kg; ASTM D1525

Comments

Annealing Point 80.0 – 90.0 °C 176 – 194 °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 220 – 260 °C 428 – 500 °F Injection molding cylinder temperature
Mold Temperature 70.0 – 80.0 °C 158 – 176 °F  
Drying Temperature 80.0 – 90.0 °C 176 – 194 °F  
Dry Time 4 – 6 hour 4 – 6 hour  
Injection Pressure 78.45 – 147.1 MPa 11380 – 21340 psi  

Specification: PMMA MOULDING-LG-LH830A

ALPHA

L

Group

PMMA

Class

PMMA MOULDING

GRADE

LH830A

MFI

5.7

PROCESS

MOULDING

Application

INJECTION MOULDING

Country

South Korean

Tds-Name

LG-Chemical-IH830-PMMA-General-Purpose-Grade-for-Injection-Molding.pdf

Tds-Url

https://sourcechatapp-media.s3.ap-south-1.amazonaws.com/619887d0e928f52921e23718/LG-Chemical-IH830-PMMA-General-Purpose-Grade-for-Injection-Molding.pdf

D-Type

S

Brand

L>LG

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