LEXAN™ VR2020 resin

About
Mid-flow, UV stabilized polycarbonate resin with mold release. Available in limited transparent tints, limited package types, and must meet minimum order quantity requirements.&&

Product Description
SupplierSABIC
GenericPolycarbonate
Material StatusCommercial: Active
FeaturesWeather resistance is good,Moderate liquidity,HB
AvailabilitysNorth America
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.20g/cm³ASTM D792
Specific volume0.830cm³/gASTM D792
Density1.19g/cm³ASTM D792
Density1.20g/cm³ISO 1183
Melt Flow Rate
300℃,1.20kg18g/10minASTM D1238
Melt Volume Rate
220℃,5 kg21.0cm³/10minISO 1133
Shrinkage rate
MD:3.2 mm0.50 to 0.70%Internal Method
Water absorption rate ASTM D570
Saturation, 23 ℃0.35%ISO 62
Equilibrium, 23 ℃, 50% RH0.15%ISO 62
24hr0.15%ASTM D570
Equilibrium, 23 ℃0.35%ASTM D570
Equilibrium, 100 ℃0.58%ASTM D570
Weathering resistancef1 UL 746C

IMPACTNominal valueUnitTest method
Charpy Unnotch Impact strength
23℃No Break ISO 179/1eU
Impact strength of cantilever beam notch ISO 180/1A
23℃3200J/mASTM D4812
23℃690J/mASTM D256
-30℃10kJ/m²ISO 180-1A
23℃12kJ/m²ISO 180-1A
Drop hammer impact
23℃169JASTM D3029
Tensile impact strength546kJ/m²ASTM D1822

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed, 6.4 mm132ASTM D648
1.8 MPa, unannealed, 100 mm span122ISO 75-2/Ae
0.45 MPa, unannealed, 6.4 mm138ASTM D648
Vicat Softening Temp154ASTM D1525 11
Vicat Softening Temp 
B50140ISO 306
B120141ISO 306/B120
Ball pressure test IEC 60695-10-2
125℃Pass IEC 60695-10-2
140℃Pass IEC 60695-10-2
Linear coefficient of thermal expansion
TD:23~80℃7.0E-51/℃ISO 11359-2
MD:23~80℃7.0E-51/℃ISO 11359-2
MD:-40~95℃6.8E-51/℃ASTM E831
specific heat1260J/kg/℃ASTM C351
Thermal conductivity coefficient0.19W/m/KASTM C177
Relative temperature index
Electrical performance100UL 746
Strength mechanical performance100UL 746
Impact mechanical performance100UL 746

Electrical performanceNominal valueUnitTest method
Volume resistivity> 1.0E+17ohms·cmASTM D257
Dielectric strength
3.2 mm in air15kV/mmASTM D149
Dielectric constant ASTM D150
50 Hz3.17 ASTM D150
60 Hz3.17 ASTM D150
1 MHz2.96 ASTM D150
Dissipation factor ASTM D150
50 Hz9.0E-4 ASTM D150
60 Hz9.0E-4 ASTM D150
1 MHz0.010 ASTM D150
Compared to the leakage tracing indexPLC 2 UL 746
High Arc Burning Index (HAI)PLC 1 UL 746
High voltage arc marking rate
HVTRPLC 2 UL 746
Hot wire ignition
HWIPLC 4 UL 746

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant level
0.75 mmHB UL 94

optical performanceNominal valueUnitTest method
Refractive index1.586 ASTM D542
Transmittance
2540 µm88.0%ASTM D1003
Haze
2540 µm1.0%ASTM D1003

MECHANICALNominal valueUnitTest method
Tensile modulus2380MPaASTM D638
Tensile modulus2350MPaISO 527-1-2
tensile strength
fracture65.0MPaISO 527-2/50
fracture65.5MPaASTM D638
yield63.0MPaISO 527-2/50
yield62.1MPaASTM D638
Tensile strain
fracture110%ASTM D638
fracture100%ISO 527-2/50
yield7.0%ASTM D638
yield6.0%ISO 527-2/50
Bending modulus2300MPaISO 178
50 mm span2340MPaASTM D790
bending strength90.0MPaISO 178
bending strength
Yield, 50 mm span93.1MPaASTM D790
Taber abraser
1000 cycles, 1000 g, CS-17 wheels10.0mgASTM D1044
Rockwell hardness ASTM D785
M-level70 ASTM D785
R-level118 ASTM D785

Process Conditions
injectionNominal valueUnitTest method
Drying temperature121°C
Drying time3.0 to 4.0hr
Drying time, maximum48hr
Recommended maximum moisture content0.020%
Recommended injection volume40 to 60%
Barrel rear temperature260 to 282°C
Barrel middle temperature271 to 293°C
Barrel front temperature282 to 304°C
Nozzle temperature277 to 299°C
Processing (melt) temperature282 to 304°C
Mold temperature71 to 93°C
Back pressure0.345 to 0.689MPa
Screw speed40 to 70rpm
Vent depth0.025 to 0.076mm

Notes
1. Typical properties: these are not to be construed as specifications.
2. 0.20 in/min
3. Type I, 2.0 in/min
4. 0.051 in/min
5. 0.079 in/min
6. Yield
7. 80*10*4 sp=62mm
8. 80*10*4
9. Type S
10. 120*10*4 mm
11. Rate B (120°C/h), Loading 2 (50 N)
12. Approximate maximum
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Guangzhou Soliao Information Technology Co., Ltd. reserves all rights. The information in this data table was obtained from the manufacturer of the material on soliao.com. Soliao.com makes every effort to ensure the accuracy of this data. However, the search company does not assume any responsibility for the uncertainty and consequences caused to users by these data values and suggestions, and strongly recommends verifying the data values with the material supplier before the final selection of materials.