Which Of The Following Is Not True Of Polymethyl Methacrylate ?

Tensile Strength Of 60 Mpa

Modulus Of Elasticity Of 3.4 Gpa

Knoop Hardness Number 18 To 20

Density Of 1.13 G/Cm3

Which Of The Following Is Not True Of Polymethyl Methacrylate ?

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