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Makrolon® 1899

MVR (300 °C/1.2 kg) 16 cm³/10 min; special flame retardent system; UL 94V-0/0.75 mm; impact modified; medium viscosity; easy release; Vicat softening temperature 50 N, 50 °C/h = 110 °C; battery housing

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About

Product Types

  • Polycarbonate

Material

Plastics
Impact resistant, Dimensionally stable

General Characterization

No data available

Storage Conditions

No data available

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Property Name Standard Test condition Unit Value
Barrel Temperatures - Front - °C 250 - 265
Barrel Temperatures - Middle - °C 240 - 250
Barrel Temperatures - Nozzle - °C 245 - 265
Barrel Temperatures - Rear - °C 230 - 240
Dry Air Drying Temperature - °C 90 - 90
Dry Air Drying Time - h 4 - 4
Hold Pressure (% of injection pressure) - % 50 - 75
Melt Temperatures - °C 240 - 280
Moisture Content max. (%) - % <= 0,02
Mold Temperatures - °C 70 - 110
Peripheral Screw Speed - m/s 0.05 - 0.2
Plastic Back Pressure (specific) - bar 100 - 200
Shot-to-Cylinder Size - % 30 - 70
Standard Melt Temperature - °C 260
Vent Depth - mm 0.025 - 0.075
Property Name Standard Test condition Unit Value
Burning behavior UL 94 UL 94 0.75 mm Class V-0
Burning behavior UL 94-5V UL 94 3.0 mm Class 5VA (Covestro Test)
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 460
Glow wire test (GWFI) IEC 60695-2-12 1.0 mm °C 960 - 960
Oxygen index ISO 4589-2 Method A % 35
Relative temperature index (Electric strength) UL 746B 0.75 mm °C 80
Relative temperature index (Tensile impact strength) UL 746B 0.75 mm °C 80
Relative temperature index (Tensile strength) UL 746B 0.75 mm °C 80
Self ignition temperature ASTM D1929 °C 500
Temperature of deflection under load ISO 75-1,-2 0.45 MPa °C 105
Temperature of deflection under load ISO 75-1,-2 1.80 MPa °C 96
Vicat softening temperature ISO 306 50 N; 50 °C/h °C 110 - 110
Property Name Standard Test condition Unit Value
Charpy impact strength ISO 179-1eU -30 °C kJ/m² N
Charpy impact strength ISO 179-1eU 23 °C kJ/m² N
Flexural modulus ISO 178 2 mm/min MPa 2600 - 2600
Flexural strain at flexural strength ISO 178 2 mm/min % 5.8 - 5.8
Flexural strength ISO 178 2 mm/min MPa 100
Flexural stress at 3.5 % strain ISO 178 2 mm/min MPa 82 - 82
Nominal strain at break ISO 527-1,-2 50 mm/min % > 50
Puncture energy ISO 6603-2 -30 °C J 55
Puncture energy ISO 6603-2 23 °C J 50 - 50
Puncture maximum force ISO 6603-2 -30 °C N 5400
Puncture maximum force ISO 6603-2 23 °C N 4500 - 4500
Strain at break b.o. ISO 527-1,-2 50 mm/min % 115
Stress at break ISO 527-1,-2 50 mm/min MPa 60
Tensile modulus ISO 527-1,-2 1 mm/min MPa 2600 - 2600
Yield strain ISO 527-1,-2 50 mm/min % 4.8
Yield stress ISO 527-1,-2 50 mm/min MPa 68
Property Name Standard Test condition Unit Value
Melt mass-flow rate ISO 1133 300 °C; 1.2 kg g/10 min 16.5
Melt volume-flow rate ISO 1133 300 °C; 1.2 kg cm³/10 min 16
Molding shrinkage, normal ISO 294-4 60x60x2 mm; 500 bar % 0.65
Molding shrinkage, parallel ISO 294-4 60x60x2 mm; 500 bar % 0.6
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
Property Name Standard Test condition Unit Value
Injection molding-Injection velocity ISO 294 mm/s 200
Injection molding-Melt temperature ISO 294 °C 260 - 260
Injection molding-Mold temperature ISO 294 °C 80 - 80
Property Name Standard Test condition Unit Value
Bulk density ISO 60 Pellets kg/m³ 640
Density ISO 1183-1 kg/m³ 1200 - 1200
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

Downloads

Technical Data Sheet
Download
Safety Data Sheet
No direct download available, please visit www.productsafetyfirst.covestro.com
Download
Sekantenmodul-Dehnung Makrolon® 1899 (Multipoint Data Sheet)
Secant modulus - Strain Makrolon® 1899 (Multipoint Data Sheet)
Spannung-Dehnung Makrolon® 1899 (Multipoint Data Sheet)
Viscosity Shear Rate Makrolon® 1899 (Multipoint Data Sheet)
Stress-Strain Makrolon® 1899 (Multipoint Data Sheet)
Viskosität Schergeschwindigkeit Makrolon® 1899 (Multipoint Data Sheet)

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