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Makrolon® WB1239

MVR (300 °C/1.2 kg) 2.0 cm³/10 min; blow molding; high viscosity; branched; food contact quality; water bottles

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About

Product Types

  • Polycarbonate

Material

Plastics
Food-contact-compliant

General Characterization

No data available

Storage Conditions

No data available

Sampling

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Packaging Type

No data available

Technical Properties & Datasheets

Property Name Standard Test condition Unit Value
Barrel Temperatures - Front - °C 280 - 290
Barrel Temperatures - Middle - °C 270 - 280
Barrel Temperatures - Nozzle - °C 290 - 300
Barrel Temperatures - Rear - °C 250 - 260
Dry Air Drying Temperature - °C 120 - 120
Dry Air Drying Time - h 2 - 3
Hold Pressure (% of injection pressure) - % 50 - 75
Melt Temperatures - °C 280 - 320
Moisture Content max. (%) - % <= 0,02
Mold Temperatures - °C 80 - 120
Peripheral Screw Speed - m/s 0.05 - 0.2
Plastic Back Pressure (specific) - bar 50 - 150
Shot-to-Cylinder Size - % 30 - 70
Standard Melt Temperature - °C 300
Vent Depth - mm 0.025 - 0.075
Property Name Standard Test condition Unit Value
Coefficient of linear thermal expansion, parallel ISO 11359-1,-2 23 to 55 °C 10^-4^/K 0.7
Coefficient of linear thermal expansion, transverse ISO 11359-1,-2 23 to 55 °C 10^-4^/K 0.7
Flash ignition temperature ASTM D1929 °C 480
Glass transition temperature ISO 11357-1,-2 10 °C/min °C 152
Glow wire test (GWFI) IEC 60695-2-12 0.75 mm °C 900
Glow wire test (GWFI) IEC 60695-2-12 1.5 mm °C 900
Glow wire test (GWFI) IEC 60695-2-12 3.0 mm °C 930
Glow wire test (GWIT) IEC 60695-2-13 0.75 mm °C 900
Glow wire test (GWIT) IEC 60695-2-13 1.5 mm °C 900
Glow wire test (GWIT) IEC 60695-2-13 3.0 mm °C 900
Oxygen index ISO 4589-2 Method A % 26
Resistance to heat (ball pressure test) IEC 60695-10-2 °C 144
Self ignition temperature ASTM D1929 °C 550
Temperature of deflection under load ISO 75-1,-2 0.45 MPa °C 145
Temperature of deflection under load ISO 75-1,-2 1.80 MPa °C 132
Thermal conductivity, cross-flow ISO 8302 23 °C; 50 % r. h. W/(m*K) 0.2
Vicat softening temperature ISO 306 50 N; 120 °C/h °C 151
Vicat softening temperature ISO 306 50 N; 50 °C/h °C 150 - 150
Property Name Standard Test condition Unit Value
Ball indentation hardness ISO 2039-1 N/mm² 108
Charpy impact strength ISO 179-1eU -30 °C kJ/m² N
Charpy impact strength ISO 179-1eU -60 °C kJ/m² N
Charpy impact strength ISO 179-1eU 23 °C kJ/m² N
Charpy notched impact strength ISO 7391/b.o. ISO 179-1eA -30 °C; 3 mm kJ/m² 20C(P)
Charpy notched impact strength ISO 7391/b.o. ISO 179-1eA 23 °C; 3 mm kJ/m² 75P
Flexural modulus ISO 178 2 mm/min MPa 2300 - 2300
Flexural strain at flexural strength ISO 178 2 mm/min % 7.2 - 7.2
Flexural strength ISO 178 2 mm/min MPa 94
Flexural stress at 3.5 % strain ISO 178 2 mm/min MPa 70 - 70
Izod notched impact strength ISO 7391/b.o. ISO 180-A 23 °C; 3 mm kJ/m² 65P
Izod notched impact strength ISO 7391/b.o. ISO 180-A -30 °C; 3 mm kJ/m² 55P(C)
Nominal strain at break ISO 527-1,-2 50 mm/min % > 50
Puncture energy ISO 6603-2 -30 °C J 60
Puncture energy ISO 6603-2 23 °C J 55 - 55
Puncture maximum force ISO 6603-2 -30 °C N 6400
Puncture maximum force ISO 6603-2 23 °C N 5500 - 5500
Strain at break b.o. ISO 527-1,-2 50 mm/min % 100
Stress at break ISO 527-1,-2 50 mm/min MPa 65
Tensile modulus ISO 527-1,-2 1 mm/min MPa 2300 - 2300
Yield strain ISO 527-1,-2 50 mm/min % 6.6
Yield stress ISO 527-1,-2 50 mm/min MPa 64
Property Name Standard Test condition Unit Value
Haze for transparent materials ISO 14782 3 mm % < 0.8
Luminous transmittance (clear transparent materials) ISO 13468-2 1 mm % 88
Luminous transmittance (clear transparent materials) ISO 13468-2 2 mm % 87
Luminous transmittance (clear transparent materials) ISO 13468-2 4 mm % 84
Refractive index ISO 489 Procedure A 1.587
Property Name Standard Test condition Unit Value
Melt mass-flow rate ISO 1133 300 °C; 1.2 kg g/10 min 2.5
Melt volume-flow rate ISO 1133 300 °C; 1.2 kg cm³/10 min 2
Molding shrinkage, normal ISO 294-4 60x60x2 mm; 500 bar % 0.8
Molding shrinkage, parallel ISO 294-4 60x60x2 mm; 500 bar % 0.75
Property Name Standard Test condition Unit Value
Comparative tracking index CTI IEC 60112 Solution A Rating 250
Comparative tracking index CTI M IEC 60112 Solution B Rating 100M
Dissipation factor IEC 60250 1 MHz 10^-4^ 100
Dissipation factor IEC 60250 100 Hz 10^-4^ 10
Electrical strength IEC 60243-1 1 mm kV/mm 34
Relative permittivity IEC 60250 1 MHz 3.0
Relative permittivity IEC 60250 100 Hz 3.1
Surface resistivity IEC 60093 Ohm 1E16
Volume resistivity IEC 60093 Ohm*m 1E14
Property Name Standard Test condition Unit Value
Injection molding-Injection velocity ISO 294 mm/s 200
Injection molding-Melt temperature ISO 294 °C 310 - 310
Injection molding-Mold temperature ISO 294 °C 90 - 90
Property Name Standard Test condition Unit Value
Bulk density ISO 60 Pellets kg/m³ 660
Density ISO 1183-1 kg/m³ 1200 - 1200
Gas permeation b.o. ISO 2556 Nitrogen; 100 µm film cm³/(m²*24 h*bar) 140
Gas permeation b.o. ISO 2556 Carbon dioxide; 100 µm film cm³/(m²*24 h*bar) 4200
Gas permeation b.o. ISO 2556 Oxygen; 100 µm film cm³/(m²*24 h*bar) 740
Water absorption (equilibrium value) ISO 62 23 °C; 50 % r. h. % 0.12
Water absorption (saturation value) ISO 62 Water at 23 °C % 0.3
Water vapor permeability ISO 15106-1 23 °C; 85 % RH; 100 µm film g/(m²*24 h) 15

Downloads

Technical Data Sheet
Download
Safety Data Sheet
No direct download available, please visit www.productsafetyfirst.covestro.com
Download
Viskosität Schergeschwindigkeit Makrolon® WB1239 (Multipoint Data Sheet)
Specific Volume-Temperature (pvT) Makrolon® WB1239 (Multipoint Data Sheet)
Spezifisches Volumen-Temperatur (pvT) Makrolon® WB1239 (Multipoint Data Sheet)
Viscosity Shear Rate Makrolon® WB1239 (Multipoint Data Sheet)

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