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Makrolon® 2805

MVR (300 °C/1.2 kg) 9.0 cm³/10 min; general purpose; medium viscosity; easy release

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Product Types

  • Polycarbonate

Material

Plastics
Transparent

General Characterization

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Storage Conditions

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Sampling

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Packaging Type

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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
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
Application of flame from small burner DIN 53438-1,-3 Method K and F/ 2.0 mm Class K1, F1
Burning behavior UL 94 [UL recognition] UL 94 2.5 mm Class HB
Burning behavior UL 94 [UL recognition] UL 94 0.75 mm Class V-2
Burning rate (US-FMVSS) ISO 3795 >=1.0 mm mm/min passed
Coefficient of linear thermal expansion, normal ISO 11359-1,-2 23 to 55 °C 10^-4^/K 0.65
Coefficient of linear thermal expansion, parallel ISO 11359-1,-2 23 to 55 °C 10^-4^/K 0.65
Flash ignition temperature ASTM D1929 °C 480
Glass transition temperature ISO 11357-1,-2 10 °C/min °C 145
Glow wire test b.o. EDF HN60 E.02 1.5 mm °C 750
Glow wire test b.o. EDF HN60 E.02 3.0 mm °C 750
Glow wire test (GWFI) IEC 60695-2-12 0.75 mm °C 850
Glow wire test (GWFI) IEC 60695-2-12 1.5 mm °C 850
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 875
Glow wire test (GWIT) IEC 60695-2-13 1.0 mm °C 875
Glow wire test (GWIT) IEC 60695-2-13 1.5 mm °C 875
Glow wire test (GWIT) IEC 60695-2-13 3.0 mm °C 900
Needle flame test IEC 60695-11-5 Method F/ 1.5 mm s 60
Needle flame test IEC 60695-11-5 Method F/ 2.0 mm s 60
Needle flame test IEC 60695-11-5 Method F/ 3.0 mm s 120
Needle flame test IEC 60695-11-5 Method K/ 3.0 mm s 10
Needle flame test IEC 60695-11-5 Method K/ 1.5 mm s 5
Needle flame test IEC 60695-11-5 Method K/ 2.0 mm s 5
Oxygen index ISO 4589-2 Method A % 28
Relative temperature index (Electric strength) [UL recognition] UL 746B 1.5 mm °C 125
Relative temperature index (Tensile impact strength) [UL recognition] UL 746B 1.5 mm °C 115
Relative temperature index (Tensile strength) [UL recognition] UL 746B 1.5 mm °C 125
Resistance to heat (ball pressure test) IEC 60695-10-2 °C 136
Self ignition temperature ASTM D1929 °C 550
Temperature of deflection under load ISO 75-1,-2 0.45 MPa °C 137
Temperature of deflection under load ISO 75-1,-2 1.80 MPa °C 125
Thermal conductivity, through-plane ISO 8302 23 °C; 50 % r. h. W/(m*K) 0.2
Vicat softening temperature ISO 306 50 N; 120 °C/h °C 146
Vicat softening temperature ISO 306 50 N; 50 °C/h °C 144
Property Name Standard Test condition Unit Value
Ball indentation hardness ISO 2039-1 N/mm² 115
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 21305/based on ISO 179/1eA -30 °C/ 3 mm kJ/m² 16C
Charpy notched impact strength ISO 21305/based on ISO 179/1eA 23 °C/ 3 mm kJ/m² 75P
Flexural modulus ISO 178 2 mm/min MPa 2400
Flexural strain at flexural strength ISO 178 2 mm/min % 7.1
Flexural strength ISO 178 2 mm/min MPa 97
Flexural stress at 3.5 % strain ISO 178 2 mm/min MPa 73
Izod notched impact strength ISO 21305/based on ISO 180/A 23 °C/ 3 mm kJ/m² 70P
Izod notched impact strength ISO 21305/based on ISO 180/A -30 °C/ 3 mm kJ/m² 15C
Nominal strain at break ISO 527-1,-2 50 mm/min % > 50
Puncture energy ISO 6603-2 -30 °C J 65
Puncture energy ISO 6603-2 23 °C J 60
Puncture impact properties - maximum force ISO 6603-2 -30 °C N 6300
Puncture impact properties - maximum force ISO 6603-2 23 °C N 5400
Strain at break b.o. ISO 527-1,-2 50 mm/min % 130
Stress at break ISO 527-1,-2 50 mm/min MPa 70
Tensile creep modulus ISO 899-1 1 h MPa 2200
Tensile creep modulus ISO 899-1 1000 h MPa 1900
Tensile modulus ISO 527-1,-2 1 mm/min MPa 2400
Yield strain ISO 527-1,-2 50 mm/min % 6.2
Yield stress ISO 527-1,-2 50 mm/min MPa 66
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 % 89
Luminous transmittance (clear transparent materials) ISO 13468-2 2 mm % 89
Luminous transmittance (clear transparent materials) ISO 13468-2 4 mm % 87
Luminous transmittance (clear transparent materials) ISO 13468-2 3 mm % 88
Refractive index ISO 489 Procedure A 1.586
Property Name Standard Test condition Unit Value
Melt mass-flow rate ISO 1133 300 °C/ 1.2 kg g/10 min 10
Melt volume-flow rate ISO 1133 300 °C/ 1.2 kg cm³/10 min 9
Molding shrinkage, normal ISO 294-4 60x60x2 mm³/ 500 bar % 0.7
Molding shrinkage, parallel ISO 294-4 60x60x2 mm³/ 500 bar % 0.65
Molding shrinkage, parallel/normal b.o. ISO 2577 Value range based on general practical experience % 0.6 - 0.8
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 125M
Dissipation factor IEC 60250 1 MHz 10^-4^ 90
Dissipation factor IEC 60250 100 Hz 10^-4^ 5
Electrical strength IEC 60243-1 1 mm kV/mm 34
Electrolytic corrosion IEC 60426 Rating A1
Relative permittivity IEC 60250 1 MHz 3.0
Relative permittivity IEC 60250 100 Hz 3.1
Surface resistivity IEC 62631-3-2 Ohm 1E16
Volume resistivity IEC 62631-3-1 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 300
Injection molding - Mold temperature ISO 294 °C 80
Property Name Standard Test condition Unit Value
Bulk density ISO 60 Pellets kg/m³ 660
Density ISO 1183-1 kg/m³ 1200
Gas permeation b.o. ISO 2556 Carbon dioxide/ 25.4 µm (1 mil) film cm³/(m²*24 h*bar) 16900
Gas permeation b.o. ISO 2556 Nitrogen/ 100 µm film cm³/(m²*24 h*bar) 120
Gas permeation b.o. ISO 2556 Carbon dioxide/ 100 µm film cm³/(m²*24 h*bar) 3800
Gas permeation b.o. ISO 2556 Oxygen/ 100 µm film cm³/(m²*24 h*bar) 650
Gas permeation b.o. ISO 2556 Nitrogen/ 25.4 µm (1 mil) film cm³/(m²*24 h*bar) 510
Gas permeation b.o. ISO 2556 Oxygen/ 25.4 µm (1 mil) film cm³/(m²*24 h*bar) 2760
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
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Safety Data Sheet
No direct download available, please visit www.productsafetyfirst.covestro.com
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Spezifisches Volumen-Temperatur (pvT) Makrolon® 2805 (Multipoint Data Sheet) Specific Volume-Temperature (pvT) Makrolon® 2805 (Multipoint Data Sheet)
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Sekantenmodul-Dehnung Makrolon® 2805 (Multipoint Data Sheet) Secant modulus - Strain Makrolon® 2805 (Multipoint Data Sheet)
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Stress-Strain Makrolon® 2805 (Multipoint Data Sheet) Spannung-Dehnung Makrolon® 2805 (Multipoint Data Sheet)
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Viskosität Schergeschwindigkeit Makrolon® 2805 (Multipoint Data Sheet) Viscosity Shear Rate Makrolon® 2805 (Multipoint Data Sheet)
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