PRODUCTS

MACROSCOPIC DESCRIPTION

  • Microcrystalline golden-yellow limestone, calciclastic, slightly tectonized.

MICROSCOPIC FEATURES

  • Essential Minerals of the Crystalline Phase:
  • Acessory Minerals:

Amarelo Negrais

Amarelo Negrais

PHYSICO-MECHANICAL PROPERTIES

  • Compression breaking load 1442 Kg/cm2
  • Compression breaking load after freezing test 1120 Kg/cm2
  • Bending strength 203 Kg/cm2
  • Volumetric weight 2674 Kg/m3
  • Water absorption at N.P. conditions 0.44 %
  • Apparent porosity 1.18 %
  • Thermal linear expansion coefficient 4.4 10-6 per ºC
  • Abrasion test 2.8 mm
  • Impact test: minimum fall height 50-55 cm
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QUARRIES

  • Sintra

PREVALLING APPLICATIONS

  • Facing slabs, for interiors in preference.