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Makrolon® Ai 2695 ST

Automotive interior grade with specified Sensor signal Transparency; MVR (300 °C/1.2 kg) 12 cm³/10 min; medium viscosity; easy release; developed for high-gloss surfaces with highest requirements; for the use in combination with hard coatings; for high transmittance applications in the near-infrared range (NIR)

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Technical Properties & Datasheets

Property Name Standard Test condition Unit Value
Barrel Temperatures - Front - °C 285 - 305
Barrel Temperatures - Middle - °C 270 - 290
Barrel Temperatures - Nozzle - °C 270 - 305
Barrel Temperatures - Rear - °C 250 - 270
Dry Air Drying Temperature - °C 120 - 120
Dry Air Drying Time - h 4 - 4
Hold Pressure (% of injection pressure) - % 50 - 75
Melt Temperatures - °C 280 - 320
Moisture Content max. (%) - % <= 0,02
Mold Temperatures - °C 70 - 110
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
Burning rate (US-FMVSS) ISO 3795 >=1.0 mm mm/min passed
Coefficient of linear thermal expansion, parallel ISO 11359-1,-2 23 to 55 °C 10^-4^/K 0.65
Coefficient of linear thermal expansion, transverse 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 143
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 1.5 mm °C 875
Glow wire test (GWIT) IEC 60695-2-13 3.0 mm °C 875
Relative temperature index (Electric strength) UL 746B 1.5 mm °C 125
Relative temperature index (Tensile impact strength) UL 746B 1.5 mm °C 115
Relative temperature index (Tensile strength) UL 746B 1.5 mm °C 125
Resistance to heat (ball pressure test) IEC 60695-10-2 °C 135
Self ignition temperature ASTM D1929 °C 550
Temperature of deflection under load ISO 75-1,-2 0.45 MPa °C 136
Temperature of deflection under load ISO 75-1,-2 1.80 MPa °C 124
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 144
Vicat softening temperature ISO 306 50 N; 50 °C/h °C 143 - 143
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
Flexural modulus ISO 178 2 mm/min MPa 2400 - 2400
Flexural strain at flexural strength ISO 178 2 mm/min % 7.1 - 7.1
Flexural strength ISO 178 2 mm/min MPa 98
Flexural stress at 3.5 % strain ISO 178 2 mm/min MPa 74 - 74
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 6100
Puncture maximum force ISO 6603-2 23 °C N 5200 - 5200
Strain at break b.o. ISO 527-1,-2 50 mm/min % 120
Stress at break ISO 527-1,-2 50 mm/min MPa 69
Tensile modulus ISO 527-1,-2 1 mm/min MPa 2400 - 2400
Yield strain ISO 527-1,-2 50 mm/min % 6
Yield stress ISO 527-1,-2 50 mm/min MPa 65
Property Name Standard Test condition Unit Value
Luminous transmittance ISO 13468-2 2 mm % 89
Property Name Standard Test condition Unit Value
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 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 290 - 290
Injection molding-Mold temperature ISO 294 °C 80 - 80
Property Name Standard Test condition Unit Value
Bulk density ISO 60 Pellets kg/m³ 660
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

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