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This is the free Material Data Center Datasheet of LEXAN™ Copolymer EXL1444 - Asia - PC - Saudi Basic Industries Corporation (SABIC)

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Product Texts
Lexan* EXL1444 polycarbonate (PC) siloxane copolymer resin is a medium flow opaque injection molding (IM) grade suitable for FDA compliant applications. This resin offers extreme low temperature (-40°C) ductility, exhibits excellent processability and release with opportunities for shorter IM cycle times compared to standard PC. Lexan EXL1444 resin is a product available in wide range of opaque colors and may be an excellent candidate for a wide variety of food contact applications.

UL Yellow Card Link E207780-462650
Processing/Physical CharacteristicsValueUnitTest Standard
ISO Data
Melt volume-flow rate, MVR 9 cm³/10min ISO 1133
Temperature 300 °C -
Load 1.2 kg -
ASTM Data
Melt Flow Index, MFI 10 g/10min ASTM D 1238
Temperature 300 °C -
Load 1.2 kg -
Mechanical propertiesValueUnitTest Standard
ISO Data
Tensile Modulus 2150 MPa ISO 527
Yield stress 57 MPa ISO 527
Yield strain 6 % ISO 527
Stress at break 60 MPa ISO 527
Strain at break 50 % ISO 527
Flexural modulus 2250 MPa ISO 178
Charpy impact strength, +23°C, 3mm N kJ/m² ISO 179/1eU
Charpy impact strength, -30°C, 3mm N kJ/m² ISO 179/1eU
Charpy notched impact strength, +23°C, 3mm 70 kJ/m² ISO 179/1eA
Charpy notched impact strength, -30°C, 3mm 65 kJ/m² ISO 179/1eA
Izod impact strength, +23°C N kJ/m² ISO 180/1U
Izod notched impact strength, +23°C, 3mm 70 kJ/m² ISO 180/1A
Izod notched impact strength, -30°C, 3mm 60 kJ/m² ISO 180/1A
ASTM Data
Tensile Modulus 2020 MPa ASTM D 638
Tensile Strength at Yield 55 MPa ASTM D 638
Tensile Strength at Break 50 MPa ASTM D 638
Elongation at Yield 6 % ASTM D 638
Elongation at Break 98 % ASTM D 638
Flexural Modulus 2230 MPa ASTM D 790
Rockwell Hardness R 121 - ASTM D 785
Izod Impact notched, 1/8 in 865 J/m ASTM D 256
Izod Impact notched, Low-Temperature 775 J/m ASTM D 256
Temperature -30 °C -
Thermal propertiesValueUnitTest Standard
ISO Data
Vicat softening temperature, B 145 °C ISO 306
Vicat softening temperature, 120°C/h 50N 146 °C ISO 306
Burning behav. at thickness h HB class IEC 60695-11-10
Thickness tested 0.7 mm -
Glow Wire Flammability Index (GWFI) 960 °C IEC 60695-2-12
GWFI - thickness tested (3) 1 mm -
ASTM Data
DTUL @ 66 psi 140 °C ASTM D 648
DTUL @ 264 psi 124 °C ASTM D 648
Vicat Temperature 145 °C ASTM D 1525
Electrical propertiesValueUnitTest Standard
ASTM Data
Dielectric Strength, Short Time 16.3 kV/mm ASTM D 149
Dissipation Factor, 1 MHz 0.0093 - ASTM D 150
Dielectric Constant, 1 MHz 2.64 - ASTM D 150
Surface Resistivity 1E15 Ohm ASTM D 257
Volume Resistivity 1E15 Ohm*cm ASTM D 257
Other propertiesValueUnitTest Standard
Water absorption 0.35 % Sim. to ISO 62
Humidity absorption 0.15 % Sim. to ISO 62
Density 1190 kg/m³ ISO 1183
Density 1180 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 -
Screw speed 40 - 70 rpm -
Back pressure 0.3 - 0.7 MPa -
Characteristics
Processing
Injection Molding
Certifications
Food contact, Food approval FDA 21 CFR
Regional Availability
Asia Pacific
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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