Classico Extra 罗马特级洞石

Travertine Classico Extra ,罗马特级洞石,属于米黄洞石的类别。可以切顺纹切割或反纹切割。材料有一个直的纹路模式。罗马特级洞石是一个本质浅米色米色与非常轻的纹路。结构显示其紧凑性和均匀性。通常没有明显的孔或洞。如果顺纹切割,它显示纹路通常是直的。如果反纹切割的图案将是乱纹。直接从位于意大利罗马蒂沃利的洞石矿山中提取,荒料原石和切割尺寸的可用性是好的。罗马特级洞石经常使用为地板,金属表面和厨房。饰面可以磨光,抛光,翻滚或锯切。

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Physical - Mechanical Characteristic ( ASTM STANDARD)

  • Apparent Specific Weight - C97 - 2517Kg/m³
  • Absorption Coefficient - C97 - 058%
  • Compressive Strenght Dry - C170 - 73,22 Mpa/Mpa
  • Compressive Strenght Wet - C170 - 68,39 Mpa/Mpa
  • Modulus of Rupture Dry - C99 - 10,71 Mpa/Mpa
  • Modulus of Rupture Wet - C99 - 11,67 Mpa/Mpa
  • Flexural Strenght Dry - C880 - 10,21 Mpa/Mpa
  • Flexural Strenght Wet - C880 - 11,60 Mpa/Mpa
  • Resistance to Abrasion - C241 - 14,65 Mpa/Mpa
  • Static Coefficient Of Friction Dry - C1028 - 0,60 Mpa/Mpa
  • Static Coefficient Of Friction Wet - C1028 - 0,57Mpa/Mpa

Chemical Composition:

  • Apparent and Insoluble Silicons in Hydrochloric Acid - 0,012
  • Soluble Silicon Acid, Calculeted as Qnhhydride - 0,636
  • CO2 - 43,495
  • SO3 - 0,230
  • P2O5 - 0,017
  • A12O3 - 0,170
  • Fe2O3 - 0,031
  • FeO - 0,016
  • CaO - 54,712
  • MgO - 0,541
  • Other Indeterminates and Losses 0,140
  • Specific Weight 2,457