Material Comparison

Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PMMA MH251 LUCITE UK
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Plastic Datasheets

Impact resistanceTest ConditionTest MethodLUCITE UK/MH251
Impact strength of cantilever beam gapISO 180/1A2.1 kJ/m²
Multi axis Instrumented Impact EnergyISO 6603-20.600 J
Impact strength of simply supported beam without notchISO 179/1eU23 kJ/m²
Charpy Notched Impact StrengthISO 179/1eA2.2 kJ/m²
Supplementary InformationTest ConditionTest MethodLUCITE UK/MH251
CrazeResistance内部方法>1.0 hr
hardnessTest ConditionTest MethodLUCITE UK/MH251
ball-indentation hardnessH961/30ISO 2039-1190 MPa
Rockwell hardnessM计秤ISO 2039-299
Mechanical propertiesTest ConditionTest MethodLUCITE UK/MH251
tensile strength ISO 527-285.0 MPa
Tensile strain断裂ISO 527-25.0 %
Flexural modulusISO 1783400 MPa
bending strengthISO 178120 MPa
optical performance Test ConditionTest MethodLUCITE UK/MH251
transmissivityASTM D100392.0 %
Haze ratioASTM D10030.40 %
refractive indexISO 4891.490
flammabilityTest ConditionTest MethodLUCITE UK/MH251
UL flame retardant ratingUL 94HB
Hot filament ignition temperatureIEC 60695-2-13650 °C
physical property Test ConditionTest MethodLUCITE UK/MH251
Shrinkage rate0.40to0.70 %
melt mass-flow rate230°C/3.8kgISO 11331.0 g/10min
Water absorption rate平衡,23°C,50%RHISO 620.30 %
Average particle size600 µm
densityISO 11831.18 g/cm³
Thermal performanceTest ConditionTest MethodLUCITE UK/MH251
Heat distortion temperature0.45MPa,未退火,HDTISO 75-2/B106 °C
1.8MPa,未退火,HDTISO 75-2/A102 °C
Linear coefficient of thermal expansionMDASTME8317.1E-05 cm/cm/°C
vicat--ISO 306/B109 °C
--ISO 306/A117 °C

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