PMMA MH251

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Technical Data Sheet

physical property Test ConditionTest MethodTest Result
densityISO11831.18 g/cm³
melt mass-flow rateISO11331.0 g/10min
Shrinkage rate0.40到0.70 %
Water absorption rateISO620.30 %
Average particle size600 µm
hardnessTest ConditionTest MethodTest Result
Rockwell hardnessISO2039-299
ISO2039-1190 MPa
optical performance Test ConditionTest MethodTest Result
refractive indexISO4891.490
transmissivityASTMD100392.0 %
Haze ratioASTMD10030.40 %
flammabilityTest ConditionTest MethodTest Result
UL flame retardant ratingUL94HB
Hot filament ignition temperatureIEC60695-2-13650 °C
Supplementary InformationTest ConditionTest MethodTest Result
CrazeResistance内部方法>1.0 hr
Mechanical propertiesTest ConditionTest MethodTest Result
Bending stressISO178120 MPa
Tensile stressISO527-285.0 MPa
Tensile strainBreakISO527-25.0 %
Flexural modulusISO1783400 MPa
Impact resistanceTest ConditionTest MethodTest Result
Charpy Notched Impact StrengthISO179/1eA2.2 kJ/m²
Impact strength of simply supported beam without notchISO179/1eU23 kJ/m²
Impact strength of cantilever beam gapISO180/1A2.1 kJ/m²
Multi axis Instrumented Impact EnergyISO6603-20.600 J
Thermal performanceTest ConditionTest MethodTest Result
Heat distortion temperatureISO75-2/B106 °C
Heat distortion temperatureISO75-2/A102 °C
vicatISO306/A117 °C
vicatISO306/B109 °C
ASTME8317.1E-05 cm/cm/°C
IMPORTANT NOTES: Plas.com collected the data in the data sheet from the material manufacturers. Plas.com makes the best effort to improve the accuracy of the data, but has no responsibility for the data. We strongly recommend verifying the validity of the data with the material manufacturers before making a final decision.

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