Physical Property Of Cast Acrylic Sheet

 PROPERTYUNITVALUE
MECHANICALSpecific Gravity1.19-1.2
Roswell Hardnesskg/cm 2M-100
Shear Strengthkg/cm 2630
Flexural Strengthkg/cm 21050
Tensile Strengthkg/cm 2760
Compressive Strengthkg/cm 21260
ELECTRICALDidlectic StrengthKv/mm20
Surface ResistivityOhm> 10 16
OPTICALLight Transmittance%93
Refractive Index 
THERMALSpecific HeatCal/gr℃0.35
Coefficient of Thermal CortductivilyCal/xee/cm/℃/cm 
Hot Forming Temp140-180
Hot Defomation Temp100
Thermal Expansion CoefficientCmfcm/V6×10-5
MISCELLANEOUSWater Absorption(24Hrs)%0.3
Teste%None
Odor  

 

Expansion and contraction
Taking an acrylic sheet 1000mm In length for example.
In summer (40℃) ,It will lengthen to 1002 In winter (-30℃), It will storten to 997mm.