(Español) Crema Nácar

Crema NácarPhysical-mechanical properties

  • Bulk specific gravity   2660 Kg/m3
  • Absorption coefficient   0,4%
  • Open porosity   2,0%
  • Thermal change resistance: reduction of mass after 25 cycles   0,01%
  • Impact resistance: breaking height with 1 kg sphere
    19,5 cm
  • Knoop microhardness   1570 MPa
  • Compression strength   168 MPa
  • Breaking load for anchorages   2150 N
  • Abrasion resistance   19 mm
  • Elastic module   80,5 GPa
  • Flexural strength at a constant moment   7,2 MPa
  • Flexural strength after 48 frost-thaw cycles   8,1 MPa
  • Bending strength   7,3 MPa
  • Slip resistance in dry conditions on riverwashed surface   56
  • Slip resistance in dry conditions on honed surface polished with grain   120 65
  • Slip resistance in dry conditions on polished surface   38