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Ensinger PEI
Covestro Makrolon® LQ2647 Optical Grade Polycarbonate
Categories: Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Optical Grade

Material Notes: Main characteristics:
• High toughness
• Good heat resistance
• Glass-like transparency, optical quality
• High dimensional accuracy and stability

Grade characteristics:
• Optical lens, safety glasses
• Medium viscosity, easy release
• UV stabilized

As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.

Vendors:
Available Properties
  • Bulk Density, ISO 60, pellets
  • Density, ISO 1183-1
  • Moisture Absorption at Equilibrium, ISO 62, 50% RH
  • Water Absorption at Saturation, ISO 62
  • Water Vapor Transmission, ISO 15106-1, 85% RH, film
  • Oxygen Transmission, b.o. ISO 2556, 670 cc/m²-24hr-bar; film
  • Oxygen Transmission, b.o. ISO 2556, 2760 cc/m²-24hr-bar; film
  • Nitrogen Transmission, b.o. ISO 2556, 120 cc/m²-24hr-bar; film
  • Nitrogen Transmission, b.o. ISO 2556, 510 cc/m²-24hr-bar; film
  • Carbon Dioxide Transmission, b.o. ISO 2556, 3800 cc/m²-24hr-bar; film
  • Carbon Dioxide Transmission, b.o. ISO 2556, 16900 cc/m²-24hr-bar; film
  • Linear Mold Shrinkage, b.o. ISO 2577, parallel/normal
  • Linear Mold Shrinkage, Flow, ISO 294-4, 60x60x2 mm; 500 bar
  • Linear Mold Shrinkage, Transverse, ISO 294-4, 60x60x2 mm; 500 bar
  • Melt Flow, ISO 1133
  • Puncture Resistance, ISO 6603-2
  • Puncture Resistance, ISO 6603-2
  • Ball Indentation Hardness, ISO 2039-1
  • Tensile Strength at Break, ISO 527-1,-2, 50 mm/min
  • Tensile Strength, Yield, ISO 527-1,-2, 50 mm/min
  • Elongation at Break, ISO 527-1,-2, Nominal, 50 mm/min
  • Elongation at Break, b.o. ISO 527-1,-2, 50 mm/min
  • Elongation at Yield, ISO 527-1,-2, 50 mm/min
  • Tensile Modulus, ISO 527-1,-2, 1 mm/min
  • Flexural Strength, ISO 178, 2 mm/min
  • Flexural Yield Strength, ISO 178, 2 mm/min
  • Flexural Modulus, ISO 178, 2 mm/min
  • Flexural Strain at Yield, ISO 178, 2 mm/min
  • Izod Impact, Notched (ISO), b.o. ISO 180-A, complete break
  • Izod Impact, Notched (ISO), b.o. ISO 180-A, partial break
  • Charpy Impact Unnotched, ISO 179-1eU
  • Charpy Impact Unnotched, ISO 179-1eU
  • Charpy Impact Unnotched, ISO 179-1eU
  • Charpy Impact, Notched, ISO 7391/b.o. ISO 179-1eA, complete break
  • Charpy Impact, Notched, ISO 7391/b.o. ISO 179-1eA, partial break
  • Puncture Energy, ISO 6603-2
  • Puncture Energy, ISO 6603-2
  • Tensile Creep Modulus, 1 hour, ISO 899-1
  • Tensile Creep Modulus, 1000 hours, ISO 899-1
  • Volume Resistivity, IEC 60093
  • Surface Resistance, IEC 60093
  • Dielectric Constant, IEC 60250
  • Dielectric Constant, IEC 60250
  • Dielectric Strength, IEC 60243-1
  • Dissipation Factor, IEC 60250
  • Dissipation Factor, IEC 60250
  • Comparative Tracking Index, IEC 60112, CTI M; Solution B
  • Comparative Tracking Index, IEC 60112, Solution A
  • CTE, linear, Parallel to Flow, ISO 11359-1,-2
  • CTE, linear, Transverse to Flow, ISO 11359-1,-2
  • Thermal Conductivity, ISO 8302, cross-flow
  • Hot Ball Pressure Test, IEC 60695-10-2
  • Deflection Temperature at 0.46 MPa (66 psi), ISO 75-1,-2
  • Deflection Temperature at 1.8 MPa (264 psi), ISO 75-1,-2
  • Vicat Softening Point, ISO 306, 50°C/h
  • Vicat Softening Point, ISO 306, 120°C/h
  • Glass Transition Temp, Tg, ISO 11357-1,-2, 10°C/min
  • UL RTI, Electrical, UL 746B
  • UL RTI, Mechanical with Impact, UL 746B
  • UL RTI, Mechanical without Impact, UL 746B
  • Flammability, UL94
  • Flammability, UL94
  • Flash Point, ASTM D 1929
  • Flash Point, ASTM D 1929, self ignition
  • Oxygen Index, ISO 4589-2, Method A
  • Refractive Index, ISO 489, Procedure A
  • Abbe Number
  • Haze, ISO 14782
  • Transmission, Visible, ISO 13468-2
  • Transmission, Visible, ISO 13468-2
  • Transmission, Visible, ISO 13468-2
  • Transmission, Visible, ISO 13468-2
  • Melt Temperature, ISO 294, Injection molding
  • Mold Temperature, ISO 294, Injection molding
  • Injection Velocity, ISO 294
  
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Manufacturer Notes:
Covestro Deutschland AG, Bayer MaterialScience

Category Notes
Plastic

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

 

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