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PMMA
PMMA TAIWAN CHIMEI CM-205
Heat resistant grade
ULTDSTDSULMSDSRoHSSVHCProcessingPSC
Physical propertiesTest ConditionTest MethodTAIWAN CHIMEI/CM-205
Water absorption rateASTM D570/ISO 620.3 %
Shrinkage rateASTM D9550.2-0.6 %
densityASTM D792/ISO 11831.19
optical performanceTest ConditionTest MethodTAIWAN CHIMEI/CM-205
Refractive indexASTM D542/ISO 4891.491
Transmittance rateASTM D1003/ISO 1346892 %
thermal performanceTest ConditionTest MethodTAIWAN CHIMEI/CM-205
Hot deformation temperatureHDTASTM D648/ISO 75102(216) ℃(℉)
Vicat softening temperatureASTM D1525/ISO R306115(239) ℃(℉)
Combustibility (rate)UL 941.6mm.HB
otherTest ConditionTest MethodTAIWAN CHIMEI/CM-205
characteristic高强度 押板用
mechanical propertiesTest ConditionTest MethodTAIWAN CHIMEI/CM-205
Impact strength of cantilever beam gapASTM D256/ISO 1792(0.37) kg·cm/cm(J/M)ft·lb/in
elongationASTM D638/ISO 52710 %
Rockwell hardnessASTM D785M-95
tensile strengthASTM D638/ISO 527750(10.600) kg/cm²(MPa)[Lb/in²]
bending strengthASTM D790/ISO 1781200(7.000) kg/cm²(MPa)[Lb/in²]