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Ensinger PEI
Covestro Makrolon® 2256 Polycarbonate
Categories: Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Molded

Material Notes: MVR (300 °C/1.2 kg) 34 cm³/10 min; food contact quality; low viscosity; easy release; injection molding - melt temperature 280 - 320 °C; available in transparent, translucent and opaque colors

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, 750 cc/m²-24hr-bar; film
  • Oxygen Transmission, b.o. ISO 2556, 3150 cc/m²-24hr-bar; film
  • Nitrogen Transmission, b.o. ISO 2556, 150 cc/m²-24hr-bar; film
  • Nitrogen Transmission, b.o. ISO 2556, 630 cc/m²-24hr-bar; film
  • Carbon Dioxide Transmission, b.o. ISO 2556, 4500 cc/m²-24hr-bar; film
  • Carbon Dioxide Transmission, b.o. ISO 2556, 18900 cc/m²-24hr-bar; film
  • 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
  • Flash Point, ASTM D 1929
  • Flash Point, ASTM D 1929, self ignition
  • Oxygen Index, IEC 4589-2, Method A
  • Glow Wire Ignition Temperature, IEC 60695-2-13
  • Glow Wire Ignition Temperature, IEC 60695-2-13
  • Glow Wire Ignition Temperature, IEC 60695-2-13
  • Glow Wire Flammability Index, IEC 60695-2-12
  • Glow Wire Flammability Index, IEC 60695-2-12
  • Glow Wire Flammability Index, IEC 60695-2-12
  • Refractive Index, ISO 489, Procedure A
  • 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

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