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Which of the following is NOT true of polymethyl methacrylate ?

/ Dental Materials, Medical Mcqs, Restorative Resins / By
Which of the following is NOT true of polymethyl methacrylate ?

A. Knoop hardness number 18 to 20
B. Tensile strength of 60 MPa
C. Density of 1.13 g/cm3
D. Modulus of elasticity of 3.4 GPa