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This is the free Material Data Center Datasheet of LEXAN™ Copolymer 923X - PC - Saudi Basic Industries Corporation (SABIC)

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Product Texts
LEXAN 923X is based on Polycarbonate (PC) siloxane copolymer resin and is a UV stabilized high flow opaque injection molding (IM) grade. This non-chlorinated, non-brominated flame retardant grade has UL-94 V0 @ 1.5mm flame rating, extreme low temperature ductility (-40°C) characteristics and excellent processability, providing opportunities for shorter IM cycle times compared to standard PC. LEXAN 923X resin is available in a wide range of opaque colours and targeted for a wide range of applications.

UL Yellow Card Link E207780-101158295
Processing/Physical CharacteristicsValueUnitTest Standard
ISO Data
Melt volume-flow rate, MVR 15 cm³/10min ISO 1133
Temperature 300 °C -
Load 1.2 kg -
ASTM Data
Melt Flow Index, MFI 16 g/10min ASTM D 1238
Temperature 300 °C -
Load 1.2 kg -
Mold Shrinkage, MD 0.006 mm/mm ASTM D 955
Mechanical propertiesValueUnitTest Standard
ISO Data
Tensile Modulus 2000 MPa ISO 527
Yield stress 56 MPa ISO 527
Yield strain 6 % ISO 527
Stress at break 57 MPa ISO 527
Strain at break 108 % ISO 527
Flexural modulus, 23°C 2100 MPa ISO 178
Flexural strength 87 MPa ISO 178
Charpy impact strength, +23°C N kJ/m² ISO 179/1eU
Charpy impact strength, -30°C N kJ/m² ISO 179/1eU
Charpy notched impact strength, +23°C 70 kJ/m² ISO 179/1eA
Charpy notched impact strength, -30°C 35 kJ/m² ISO 179/1eA
Izod impact strength, +23°C N kJ/m² ISO 180/1U
Izod notched impact strength, +23°C 65 kJ/m² ISO 180/1A
Izod notched impact strength 30 kJ/m² ISO 180/1A
Temperature -30 °C -
ASTM Data
Tensile Modulus 2100 MPa ASTM D 638
Tensile Strength at Yield 58 MPa ASTM D 638
Tensile Strength at Break 60 MPa ASTM D 638
Elongation at Yield 6 % ASTM D 638
Elongation at Break 110 % ASTM D 638
Flexural Modulus 2400 MPa ASTM D 790
Flexural Strength 90 MPa ASTM D 790
Izod Impact notched, 1/8 in 775 J/m ASTM D 256
Izod Impact notched, Low-Temperature 650 J/m ASTM D 256
Temperature -30 °C -
Thermal propertiesValueUnitTest Standard
ISO Data
Temp. of deflection under load, 1.80 MPa 118 °C ISO 75-1/-2
Vicat softening temperature, B 139 °C ISO 306
Coeff. of linear therm. expansion, parallel 61 E-6/K ISO 11359-1/-2
Coeff. of linear therm. expansion, normal 62 E-6/K ISO 11359-1/-2
Burning behav. at 1.5 mm nom. thickn. V-0 class IEC 60695-11-10
Thickness tested 1.5 mm -
Yellow Card available yes - -
Burning behav. 5V at thickness h 5VA class IEC 60695-11-20
Thickness tested 3.0 mm -
Yellow Card available yes - -
Glow Wire Flammability Index (GWFI) 960 °C IEC 60695-2-12
GWFI - thickness tested (1) 1.5 mm -
Glow Wire Flammability Index (GWFI) 960 °C IEC 60695-2-12
GWFI - thickness tested (2) 3 mm -
Glow Wire Ignition Temperature (GWIT) 825 °C IEC 60695-2-13
GWIT - thickness tested (1) 1.5 mm -
Glow Wire Ignition Temperature (GWIT) 825 °C IEC 60695-2-13
GWIT - thickness tested (2) 3 mm -
ASTM Data
Coefficient of Thermal Expansion, MD 61 E-6/K ASTM D 696
Coefficient of Thermal Expansion, TD 62 E-6/K ASTM D 696
DTUL @ 264 psi 123 °C ASTM D 648
Vicat Temperature 140 °C ASTM D 1525
Electrical propertiesValueUnitTest Standard
ISO Data
Comparative tracking index 150 - IEC 60112
Other propertiesValueUnitTest Standard
Water absorption 0.4 % Sim. to ISO 62
Humidity absorption 0.15 % Sim. to ISO 62
Density 1190 kg/m³ ISO 1183
Density 1190 kg/m³ ASTM D 792
Processing Recommendation Injection MoldingValueUnitTest Standard
Pre-drying - Temperature 120 °C -
Pre-drying - Time 3 - 4 h -
Processing humidity ≤0.02 % -
Melt temperature 295 - 315 °C -
Mold temperature 70 - 95 °C -
Zone 1 270 - 295 °C -
Zone 2 280 - 305 °C -
Zone 3 295 - 315 °C -
Nozzle temperature 290 - 310 °C -
Screw speed 40 - 70 rpm -
Back pressure 0.3 - 0.7 MPa -
Characteristics
Processing
Injection Molding
Special Characteristics
Flame retardant, Halogen-free, High impact or impact modified, U.V. stabilized or stable to weather, Heat stabilized or stable to heat, Opaque
Features
Ductile, Copolymer
Applications
Aircraft and Aerospace, Automotive, Building Construction, IT / Business Machine, Electrical and Electronical, Medical
Regional Availability
North America, Europe, Asia Pacific, South and Central America
Disclaimer
Copyright Altair Engineering GmbH. Altair Engineering GmbH assumes no liability for the system to be free of errors. The user takes sole responsibility for the use of this data under the exclusion of every liability from Altair Engineering GmbH; this is especially valid for claims of compensation resulting from consequential damages. Altair explicitly points out that any decision about the application of materials must be double checked with the producer of this material. This includes all contents of this system. Copyright laws are applicable for the content of this system.
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