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LEXAN™ FR Resin BX7241

1 of 17 products in this brand
SABIC's Specialties Business LEXAN BX7241 Polycarbonate (PC) is an injection moldable non-chlorinated/brominated, unfilled flame retardant grade that has good impact and processability. It has an MVR of 18 (260°C/2.16kg), UL94 V0@0.6mm, 5VA at 3.0mm rating and can be ideal for thin wall applications.

Polymer Name: Polycarbonate (PC)

Additives Included: Flame Retardant

Processing Methods: Injection Molding

Flexural Modulus: 2600.0 - 2600.0 MPa

Technical Data Sheet

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Additives Included
Chemical Family
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Plastics & Elastomers Functions
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Plastics & Elastomers Processing Methods

Properties

Mechanical Properties
ValueUnitsTest Method / Conditions
Tensile Stress (Yield, Type I, 50 mm/min) ¹¹67MPaASTM D638
Tensile Stress (Break, Type I, 50 mm/min) ¹¹65MPaASTM D638
Tensile Strain (Yield, Type I, 50 mm/min) ¹¹4.4%ASTM D638
Tensile Strain (Break, Type I, 50 mm/min) ¹¹100%ASTM D638
Tensile Modulus (at 5 mm/min) ¹¹2500MPaASTM D638
Flexural Stress (Yield, 1.3 mm/min, 50 mm span) ¹¹107MPaASTM D790
Flexural Stress (Break, 1.3 mm/min, 50 mm span) ¹¹105MPaASTM D790
Flexural Modulus (at 1.3 mm/min, 50 mm span) ¹¹2450MPaASTM D790
Tensile Stress (Yield, 50 mm/min) ¹¹62MPaISO 527
Tensile Stress (Break, 50 mm/min) ¹¹45MPaISO 527
Tensile Strain (Yield, 50 mm/min) ¹¹4.2%ISO 527
Tensile Strain (Break, 50 mm/min) ¹¹90%ISO 527
Tensile Modulus (at 1 mm/min) ¹¹2500MPaISO 527
Flexural Stress (Yield, at 2 mm/min) ¹¹99MPaISO 178
Flexural Stress (Break, 2 mm/min) ¹¹98MPaISO 178
Flexural Modulus (at 2 mm/min) ¹¹2600MPaISO 178
Physical Properties
ValueUnitsTest Method / Conditions
Specific Gravity ¹¹1.2ASTM D792
Mold Shrinkage (flow, 3.2 mm) ʰ ¹¹0.4 - 0.6%SABIC method
Melt Flow Rate (at 260°C, 2.16 kgf) ¹¹18g/10 minASTM D1238
Water Absorption (at 23°C, saturated) ¹¹0.2%ISO 62-1
Moisture Absorption (at 23°C, 50% RH) ¹¹0.1%ISO 62
Melt Volume Rate (at 260°C, 2.16 kg) ¹¹18cm³/10 minISO 1133
Thermal Properties
ValueUnitsTest Method / Conditions
Vicat Softening Temperature (Rate B/50) ¹¹111°CASTM D1525
Vicat Softening Temperature (Rate B/50) ¹¹109°CISO 306
Heat Deflection Temperature (at 0.45 MPa, 3.2 mm, Unannealed) ¹¹103°CASTM D648
Heat Deflection Temperature (at 1.82 MPa, 3.2mm, Unannealed) ¹¹93°CASTM D648
Coefficient of Thermal Expansion (at -40°C to 40°C, flow) ¹¹0.0000591/°CASTM E831
Coefficient of Thermal Expansion (at -40°C to 40°C, flow) ¹¹0.0000591/°CISO 11359-2
Coefficient of Thermal Expansion (at -40°C to 40°C, xflow) ¹¹0.0000591/°CASTM E831
Coefficient of Thermal Expansion (at -40°C to 40°C, xflow) ¹¹0.0000591/°CISO 11359-2
Ball Pressure Test (at 73°C to 77°C) ¹¹PassIEC 60695-10-2
Vicat Softening Temperature (Rate B/120) ¹¹112°CISO 306
Relative Temperature Index (Electrical) ᵖ ¹¹80°CUL 746B
Relative Temperature Index (Mechanical with impact) ᵖ ¹¹80°CUL 746B
Relative Temperature Index (Mechanical without impact) ᵖ ¹¹80°CUL 746B
Electrical Properties
ValueUnitsTest Method / Conditions
Volume Resistivity ¹¹min. 1.E+16Ω.cmASTM D257
Surface Resistivity ¹¹min. 2.E+15ΩASTM D257
Impact Properties
ValueUnitsTest Method / Conditions
Izod Impact (Notched, at 23°C) ¹¹690J/mASTM D256
Izod Impact (Notched, at 0°C) ¹¹420J/mASTM D256
Izod Impact (Notched, at -30°C) ¹¹190J/mASTM D256
Instrumented Dart Impact Total Energy (at 23°C) ¹¹60JASTM D3763
Izod Impact (Notched, 80*10*4, at 23°C) ¹¹28kJ/m²ISO 180/1A
Izod Impact (Notched, 80*10*4, at 0°C) ¹¹11kJ/m²ISO 180/1A
Izod Impact (Notched, 80*10*4, at -30°C) ¹¹11kJ/m²ISO 180/1A
Charpy Impact (Notched, at 23°C, 80*10*4mm, Cut) ¹¹37kJ/m²ISO 179/1eA
Charpy Impact (Notched, 0°C, 80*10*4mm, Cut) ¹¹12kJ/m²ISO 179/1eA
Charpy Impact (Notched, at -30°C, 80*10*4mm, Cut) ¹¹11kJ/m²ISO 179/1eA
Injection Molding
ValueUnitsTest Method / Conditions
Drying Temperature ⁷80 - 90°C
Drying Time ⁷2 - 4Hrs
Maximum Moisture Content ⁷0.02%
Melt Temperature ⁷250 - 300°C
Nozzle Temperature ⁷250 - 300°C
Front - Zone 3 Temperature ⁷250 - 300°C
Middle - Zone 2 Temperature ⁷240 - 290°C
Rear - Zone 1 Temperature ⁷230 - 280°C
Hopper Temperature ⁷60 - 80°C
Mold Temperature ⁷60 - 85°C
Vent Depth ⁷0.03 - 0.075mm
Flame Characteristics
ValueUnitsTest Method / Conditions
UL Recognized (94V-0 Flame Class Rating) ᵖmin. 0.5mmUL 94
UL Recognized (94V-1 Flame Class Rating) ᵖmin. 0.5mmUL 94
UL Recognized (94V-2 Flame Class Rating) ᵖmin. 0.2mmUL 94
Glow Wire Flammability Index (passes at 960°C) ʳ ᵖ0.75mmIEC 60695-2-12
Glow Wire Ignitability Temperature (at 1.0 mm) ʳ ᵖ800°CIEC 60695-2-13
Glow Wire Ignitability Temperature (at 1.5 mm) ʳ ᵖ825°CIEC 60695-2-13
Glow Wire Ignitability Temperature (at 3.0 mm) ʳ ᵖ825°CIEC 60695-2-13
Note
  • ʰ Measurements made from laboratory test coupon. Actual shrinkage may vary outside of range due to differences in processing conditions, equipment, part geometry and tool design. It is recommended that mold shrinkage studies be performed with surrogate or legacy tooling prior to cutting tools for new molded article.
  • ᵖ UL ratings shown on the technical datasheet might not cover the full range of thicknesses and colors. For details, please see the UL Yellow Card.
  • ʳ UL Ratings shown on the technical datasheet might not cover the full range of thicknesses, colors and regions. For details, please see the UL Yellow Card.
  • ⁷ Injection Molding parameters are only mentioned as general guidelines. These may not apply or may need adjustment in specific situations such as low shot sizes, large part molding, thin wall molding and gas-assist molding.
  • ¹¹ The information stated on Technical Datasheets should be used as indicative only for material selection purposes and not be utilized as specification or used for part or tool design.
 

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