Covestro Makrolon® 2258 Polycarbonate

Seller in Baghdad price: $1772 per MT
Seller in Shanghai price: $1530 per MT

Covestro Makrolon® 2258 Polycarbonate in Polymer, Thermoplastic, Molded, Polycarbonate (PC), Polycarbonate

  • Physical Properties
  • Bulk Density
  • 0.660 g/cc
  • Density
  • 1.20 g/cc
  • Moisture Absorption at Equilibrium
  • 0.12 %
  • Water Absorption at Saturation
  • 0.30 %
  • Linear Mold Shrinkage, Flow
  • 0.0065 cm/cm @Thickness 2.00 mm
  • Linear Mold Shrinkage, Transverse
  • 0.0065 cm/cm @Thickness 2.00 mm
  • Melt Flow
  • 37 g/10 min @Load 1.20 kg, Temperature 300 °C
  • Mechanical Properties
  • Puncture Resistance
  • 4900 N @Temperature 23.0 °C
  • Puncture Resistance
  • 5900 N @Temperature -30.0 °C
  • Ball Indentation Hardness
  • 115 MPa
  • Tensile Strength at Break
  • 60.0 MPa
  • Tensile Strength, Yield
  • 65.0 MPa
  • Elongation at Break
  • >= 50 %
  • Elongation at Break
  • 125 %
  • Elongation at Yield
  • 6.0 %
  • Tensile Modulus
  • 2.40 GPa
  • Flexural Strength
  • 97.0 MPa
  • Flexural Yield Strength
  • 73.0 MPa @Strain 3.50 %
  • Flexural Modulus
  • 2.35 GPa
  • Izod Impact, Notched (ISO)
  • 12.0 kJ/m² @Thickness 3.20 mm, Temperature -30.0 °C
  • Izod Impact, Notched (ISO)
  • 65.0 kJ/m² @Thickness 3.20 mm, Temperature 23.0 °C
  • Charpy Impact Unnotched
  • NB @Temperature 23.0 °C
  • Charpy Impact Unnotched
  • NB @Temperature -30.0 °C
  • Charpy Impact Unnotched
  • NB @Temperature -60.0 °C
  • Charpy Impact, Notched
  • 1.20 J/cm² @Thickness 3.00 mm, Temperature -30.0 °C
  • Charpy Impact, Notched
  • 5.50 J/cm² @Thickness 3.00 mm, Temperature 23.0 °C
  • Puncture Energy
  • 55.0 J @Temperature 23.0 °C
  • Puncture Energy
  • 60.0 J @Temperature -30.0 °C
  • Tensile Creep Modulus, 1 hour
  • 2100 MPa
  • Tensile Creep Modulus, 1000 hours
  • 1700 MPa
  • Thermal Properties
  • CTE, linear, Parallel to Flow
  • 65.0 µm/m-°C @Temperature 23.0 - 55.0 °C
  • CTE, linear, Transverse to Flow
  • 65.0 µm/m-°C @Temperature 23.0 - 55.0 °C
  • Thermal Conductivity
  • 0.200 W/m-K
  • Hot Ball Pressure Test
  • 136 °C
  • Deflection Temperature at 0.46 MPa (66 psi)
  • 137 °C
  • Deflection Temperature at 1.8 MPa (264 psi)
  • 124 °C
  • Vicat Softening Point
  • 145 °C @Load 5.10 kg
  • Vicat Softening Point
  • 146 °C @Load 5.10 kg
  • Glass Transition Temp, Tg
  • 145 °C
  • UL RTI, Electrical
  • 125 °C
  • UL RTI, Mechanical with Impact
  • 115 °C
  • UL RTI, Mechanical without Impact
  • 125 °C
  • Flammability, UL94
  • HB @Thickness 2.90 mm
  • Flammability, UL94
  • V-2 @Thickness 0.750 mm
  • Flash Point
  • 480 °C
  • Flash Point
  • 550 °C
  • Glow Wire Test
  • 875 °C @Thickness 0.750 mm
  • Glow Wire Test
  • 875 °C @Thickness 1.50 mm
  • Glow Wire Test
  • 900 °C @Thickness 3.00 mm
  • Optical Properties
  • Refractive Index
  • 1.586
  • Haze
  • <= 0.80 % @Thickness 3.00 mm
  • Transmission, Visible
  • 87 % @Thickness 4.00 mm
  • Transmission, Visible
  • 88 % @Thickness 3.00 mm
  • Transmission, Visible
  • 89 % @Thickness 1.00 mm
  • Transmission, Visible
  • 89 % @Thickness 2.00 mm
  • Electrical Properties
  • Volume Resistivity
  • 1.00e+16 ohm-cm
  • Surface Resistance
  • 1.00e+16 ohm
  • Dielectric Constant
  • 3.0 @Frequency 1.00e+6 Hz
  • Dielectric Constant
  • 3.1 @Frequency 100 Hz
  • Dielectric Strength
  • 34.0 kV/mm @Thickness 1.00 mm
  • Dissipation Factor
  • 0.00050 @Frequency 100 Hz
  • Dissipation Factor
  • 0.0090 @Frequency 1.00e+6 Hz
  • Comparative Tracking Index
  • 250 V
  • Processing Properties
  • Melt Temperature
  • 280 °C
  • Mold Temperature
  • 80.0 °C
  • Injection Velocity
  • 200 mm/sec

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Andrey Kutuzov

University of Córdoba (Spain), email: [email protected]

Work with plastics from August, 2015

2 prices for Covestro Makrolon® 2258 Polycarbonate

Seller from Baghdad – 2021-05-19:

Seller from Baghdad work with company: Solvay, Techmer ES, SABIC Innovative Plastics (GE Plastics), ALIMEX GmbH

Price: $1772 per MT

Seller from Shanghai – 2021-08-15:

Seller from Shanghai work with company: ChevronTexaco Corp, Solvay, SABIC Innovative Plastics (GE Plastics), ALIMEX GmbH

Price: $1530 per MT

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