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Makrolon® Ai2257

MVR (300 °C/1.2 kg) 35 cm³/10 min; easy release; UV stabilized; Automotive interior; developed for high-gloss surfaces with highest requirements

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Technical Properties & Datasheets

Property Name Standard Test condition Unit Value
Dry Air Drying Temperature - °C 120
Property Name Standard Test condition Unit Value
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
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 123
Vicat softening temperature ISO 306 50 N; 120 °C/h °C 145
Vicat softening temperature ISO 306 50 N; 50 °C/h °C 143
Property Name Standard Test condition Unit Value
Charpy impact strength ISO 179/1eU 23 °C kJ/m² N
Flexural modulus ISO 178 2 mm/min MPa 2350
Flexural strain at flexural strength ISO 178 2 mm/min % 7
Flexural strength ISO 178 2 mm/min MPa 97
Flexural stress at 3.5 % strain ISO 178 2 mm/min MPa 73
Nominal strain at break ISO 527-1,-2 50 mm/min % > 50
Strain at break b.o. ISO 527-1,-2 50 mm/min % 120
Stress at break ISO 527-1,-2 50 mm/min MPa 60
Tensile modulus ISO 527-1,-2 1 mm/min MPa 2350
Yield strain ISO 527-1,-2 50 mm/min % 6
Yield stress ISO 527-1,-2 50 mm/min MPa 63
Property Name Standard Test condition Unit Value
Melt volume-flow rate ISO 1133 300 °C/ 1.2 kg cm³/10 min 35
Molding shrinkage, parallel/normal b.o. ISO 2577 Value range based on general practical experience % 0.65 - 0.7
Property Name Standard Test condition Unit Value
Injection molding - Injection velocity ISO 294 mm/s 200
Injection molding - Melt temperature ISO 294 °C 280
Injection molding - Mold temperature ISO 294 °C 80

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Technical Data Sheet
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Safety Data Sheet
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