Crushing Strength: 7,750 lbf/in2 (53.5 MPa). Elastic Modulus: 1,580,000 lbf/in2 (10.90 GPa). Modulus of Rupture: 14,080 lbf/in2 (97.1 MPa). Janka Hardness: 1,190 lbf (5,310 N). Specific Gravity (Basic, 12% MC): 0.56, 0.66.
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