Quarrying

Portuguese Limestone

E. filstone@filstone.com
T. +351 249 538 888
M. +351 938 998 820

Quarrying

Portuguese Limestone

E. filstone@filstone.com
T. +351 249 538 888
M. +351 938 998 820

Filstone Hard Blue

  • Physical-Mechanical

    Flexural strength under central load

    12.3 MPa

    Flexural strength under central load after freeze/thaw test (168 cycles)

    11.6 MPa

    Anchorage strength

    416 Kg

    Water absorption measurement at normal atmospheric pressure

    2.5 %

    Apparent density measurement

    2520 Kg/m²

    Open porosity measurement

    5.9%

    Fire performance

    A1

    Capillary water absorption

    9.99 g/m². s0.5

    Thermal shock ageing resistance

    8.2%

    Abrasion wear resistance

    21.0 mm

    Slip resistance

    69 USRV

    Uniaxial compressive strength

    74 Mpa

    Rupture energy

    4.6 J

    Sound speed propagation ( Pulse velocity )

    6.12 Km/s

    Breaking load at dowel hole

    295 Kg