Which of the following is NOT true of polymethyl methacrylate ?

A.\tKnoop hardness number 18 to 20
B.\tTensile strength of 60 MPa
C.\tDensity of 1.13 g/cm3
D.\tModulus of elasticity of 3.4 GPaCorrect Answer
Correct Option: D.\tModulus of elasticity of 3.4 GPa

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