Nero Africa

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Black material suitable also for big jobs. the high uniformity in colour puts this material on the top of the range. special care regarding the different quarry’s levels, must be exerted.

Specifiche

• Origin: South Africa
• Block Sizes: Even Big Dimensions
• Colour Uniformity: Excellent
• Availability: Excellent
• Prevailing Use: Interior And Exterior
• Polishing Treatment: Excellent
• Other Surface Treatment: Good, Specially The Sand Blasting
• Compressive Strength: 2704 Kg./cm.² | 2707 Kg./cm.²
• Ditto After Gelivity: 2775 Kg./cm.² |2778 Kg./cm.²
• Water Absorption: 0,0006 | 0,0006
• Ultimate Tensil Strength: 225 Kg./cm.² | 228 Kg./cm.²
• Impact Test-min. Fall Height: ————— | —————
• Thermal Coeff. Expansion: ————— | —————
• Abrasion Coefficient: ————— | —————
• Bulk Density: 2939 Kg./m.³ | 2942 Kg./m.³
• Knoop Microhardness: ————— | —————
• Flexural Strength: ————— | —————
• Elasticity Module: ————— | —————
• Porosity: ————— | —————