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LEXAN™ FR Resin ML7682

1 of 17 products in this brand
SABIC's Specialties Business LEXAN ML7682 Polycarbonate (PC) is an injection moldable non-chlorinated/brominated, unfilled flame retardant grade with high flow and good heat and impact resistance. It is UV stabilized and has an MVR of 21 (300°C/1.2kg) and a UL94 V0@1.8mm, and is available in opaque color options.

Polymer Name: Polycarbonate (PC)

Additives Included: Flame Retardant, UV Stabilizer

Processing Methods: Injection Molding

Flexural Modulus: 2430.0 - 2430.0 MPa

Technical Data Sheet

Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Polymer Name
Plastics & Elastomers Functions
Technologies

Features & Benefits

Applications & Uses

Plastics & Elastomers Processing Methods

Properties

Mechanical Properties
ValueUnitsTest Method / Conditions
Tensile Stress (Yield, Type I, 50 mm/min) ¹¹60MPaASTM D638
Tensile Stress (Break, Type I, 50 mm/min) ¹¹59MPaASTM D638
Tensile Strain (Yield, Type I, 50 mm/min) ¹¹5.6%ASTM D638
Tensile Strain (Break, Type I, 50 mm/min) ¹¹93%ASTM D638
Tensile Modulus (at 50 mm/min) ¹¹2500MPaASTM D638
Flexural Stress (Yield, 1.3 mm/min, 50 mm span) ¹¹89MPaASTM D790
Flexural Modulus (at 1.3 mm/min, 50 mm span) ¹¹2400MPaASTM D790
Tensile Stress (Yield, 50 mm/min) ¹¹60MPaISO 527
Tensile Stress (Break, 50 mm/min) ¹¹57MPaISO 527
Tensile Strain (Yield, 50 mm/min) ¹¹5.3%ISO 527
Tensile Strain (Break, 50 mm/min) ¹¹91%ISO 527
Tensile Modulus (at 1 mm/min) ¹¹2460MPaISO 527
Flexural Stress (Yield, at 2 mm/min) ¹¹90MPaISO 178
Flexural Modulus (at 2 mm/min) ¹¹2430MPaISO 178
Physical Properties
ValueUnitsTest Method / Conditions
Specific Gravity ¹¹1.22ASTM D792
Mold Shrinkage (flow, 3.2 mm) ʰ ¹¹0.6 - 0.8%SABIC method
Mold Shrinkage (xflow, 3.2 mm) ʰ ¹¹0.6 - 0.8%SABIC method
Melt Flow Rate (at 300°C, 1.2 kgf) ¹¹22g/10 minASTM D1238
Density ¹¹1.21g/cm³ISO 1183
Water Absorption (at 23°C, saturated) ¹¹0.36%ISO 62-1
Moisture Absorption (at 23°C, 50% RH) ¹¹0.17%ISO 62
Melt Volume Rate (at 300°C, 1.2 kg) ¹¹21cm³/10 minISO 1133
Thermal Properties
ValueUnitsTest Method / Conditions
Vicat Softening Temperature (Rate B/50) ¹¹138°CISO 306
Vicat Softening Temperature (Rate B/50) ¹¹138°CASTM D1525
Heat Deflection Temperature (at 0.45 MPa, 3.2 mm, Unannealed) ¹¹131°CASTM D648
Heat Deflection Temperature (at 1.82 MPa, 3.2mm, Unannealed) ¹¹119°CASTM D648
Coefficient of Thermal Expansion (at -40°C to 40°C, flow) ¹¹0.0000641/°CASTM E831
Coefficient of Thermal Expansion (at -40°C to 40°C, xflow) ¹¹0.0000681/°CASTM E831
Coefficient of Thermal Expansion (at 23°C to 80°C, flow) ¹¹0.0000671/°CISO 11359-2
Coefficient of Thermal Expansion (at 23°C to 80°C, xflow) ¹¹0.0000741/°CISO 11359-2
Ball Pressure Test (at 123°C to 127°C) ¹¹PassIEC 60695-10-2
Vicat Softening Temperature (Rate B/120) ¹¹141°CISO 306
Heat Deflection Temperature/Be (at 0.45MPa, Edgew 120*10*4, sp=100mm) ¹¹132°CISO 75/Be
Heat Deflection Temperature/Ae (at 1.8 Mpa, Edgew 120*10*4, sp=100mm) ¹¹120°CISO 75/Ae
Relative Temperature Index (Electrical) ᵖ ¹¹125°CUL 746B
Relative Temperature Index (Mechanical with impact) ᵖ ¹¹110°CUL 746B
Relative Temperature Index (Mechanical without impact) ᵖ ¹¹120°CUL 746B
Electrical Properties
ValueUnitsTest Method / Conditions
Volume Resistivity ¹¹1000000000000000 - 10000000000000000Ω.cmASTM D257
Surface Resistivity ¹¹1000000000000000 - 10000000000000000ΩASTM D257
Comparative Tracking Index (UL, PLC) ¹¹3PLC CodeUL 746A
Hot Wire Ignition (PLC 0) ¹¹min. 1.5mmUL 746A
High Ampere Arc Ignition (PLC 1) ¹¹min. 1.5mmUL 746A
Impact Properties
ValueUnitsTest Method / Conditions
Izod Impact (Unnotched, at 23°C) ¹¹2150J/mASTM D4812
Izod Impact (Unnotched, at -30°C) ¹¹2100J/mASTM D4812
Izod Impact (Notched, at 23°C) ¹¹760J/mASTM D256
Izod Impact (Notched, at -30°C) ¹¹130J/mASTM D256
Instrumented Dart Impact Total Energy (at 23°C) ¹¹62JASTM D3763
Izod Impact (Unnotched, 80*10*3, at 23°C) ¹¹181kJ/m²ISO 180/1U
Izod Impact (Unnotched, 80*10*3, at -30°C) ¹¹180kJ/m²ISO 180/1U
Izod Impact (Notched, 80*10*3, at 23°C) ¹¹63kJ/m²ISO 180/1A
Izod Impact (Notched, 80*10*3, at -30°C) ¹¹15kJ/m²ISO 180/1A
Charpy Impact (at 23°C, V-notch Edgew 80*10*3 sp=62mm) ¹¹62kJ/m²ISO 179/1eA
Charpy Impact (at -30°C, V-notch Edgew 80*10*3 sp=62mm) ¹¹16kJ/m²ISO 179/1eA
Charpy Impact (at 23°C, Unnotch Edgew 80*10*3 sp=62mm) ¹¹133kJ/m²ISO 179/1eU
Charpy Impact (at -30°C, Unnotch Edgew 80*10*3 sp=62mm) ¹¹132kJ/m²ISO 179/1eU
Injection Molding
ValueUnitsTest Method / Conditions
Drying Temperature ⁷120°C
Drying Time ⁷3 - 4Hrs
Drying Time (Cumulative) ⁷48Hrs
Maximum Moisture Content ⁷0.02%
Melt Temperature ⁷290 - 310°C
Nozzle Temperature ⁷280 - 305°C
Front - Zone 3 Temperature ⁷290 - 310°C
Middle - Zone 2 Temperature ⁷275 - 300°C
Rear - Zone 1 Temperature ⁷265 - 290°C
Mold Temperature ⁷70 - 95°C
Back Pressure ⁷0.3 - 0.7MPa
Screw Speed ⁷40 - 70rpm
Shot to Cylinder Size ⁷40 - 60%
Vent Depth ⁷0.025 - 0.076mm
Flame Characteristics
ValueUnitsTest Method / Conditions
UL Recognized (94-5VA Flame Class Rating) ᵖmin. 2.5mmUL 94
UL Recognized (94-5VB Flame Class Rating) ᵖmin. 1.5mmUL 94
UL Recognized (94V-0 Flame Class Rating) ᵖmin. 1.5mmUL 94
Glow Wire Ignitability Temperature (at 3.0 mm) ᵖ850°CIEC 60695-2-13
Glow Wire Ignitability Temperature (at 2.5 mm) ᵖ825°CIEC 60695-2-13
Glow Wire Ignitability Temperature (at 1.5 mm) ᵖ825°CIEC 60695-2-13
Glow Wire Flammability Index (at 3 mm) ᵖ960°CIEC 60695-2-12
Glow Wire Flammability Index (at 2.5 mm) ᵖ960°CIEC 60695-2-12
Glow Wire Flammability Index (at 1.5 mm) ᵖ960°CIEC 60695-2-12
UV-light (Water exposure/immersion) ᵖF1UL 746C
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.
  • 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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