English Metric Test Method - American Society for Testing and Materials (ASTM)
Absorption by weight  --0.31% --  0.31% -- ASTM C97-47
Absorption massique
Density (Specific Gravity) -- 168 lbs/ft3 --- 2,640 kg/m3---ASTM C97-47
Plids volumique (Densité apparente)
Compression strength  --   30,170 psi  --- 208.2 MPa --ASTM C170-50/90
Résistance à la compression
Modulus of rupture ---  1,854 psi  --- 14.4 MPa --- ASTM C99-52
Module de rupture
Abrasion resistance, hardness ---77.7 HA--- No Value Established--- ASTM C241-51
Résistance à l’abrasion
Flexural strength --- N/A psi --- N/A MPa --- ASTM C880-89