Portoro Extra

Request information

  Phone +39 0982 46 103
  Fax +39 +39 0982 46 103
  This email address is being protected from spambots. You need JavaScript enabled to view it.

Request a photo of the block
  Write us on Whatsapp

Fantastic deep black with gray large veins marble. especially used for small interior works, decorations etc. it represents top choice from a small and limited quarry.

Specifications

• Origin: Italy
• Block Sizes: Small/Medium Dimensions
• Colour Uniformity: Good
• Availability: Limited
• Prevailing Use: Interior
• Polishing Treatment: Excellent
• Other Surface Treatment: Possible But Not Requested
• Compressive Strength: 1862 kg./cm.^² | 1868 kg./cm.^²
• Ditto After Gelivity: 1597 kg./cm.^² |1602 kg./cm.^²
• Water Absorption: 0,0085 | 0,0095
• Thermal Coeff. Expansion: 0,0050 mm./m. °C | 0,0060 mm./m. °C
• Impact Test-min. Fall Height: 25 cm. | 29 cm.
• Ultimate Tensil Strength: 104 kg./cm.^² | 109 kg./cm.^²
• Abrasion Coefficient: 0,74 mm. | 0,78 mm.
• Bulk Density: 2712 Kg./m.³ | 2715 Kg./m.³
• Elasticity Module: ————— | —————
• Knoop Microhardness: ————— | —————
• Flexural Strength: ————— | —————
• Porosity: ————— | —————