Nero Zimbabwe

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Black material with very tight pattern. the test results report this material absolutely on the top of granit range. if polished shows ”oily spots”. the sand blasting finishing seems to give the best result.

Specifications

• Origin: Zimbabwe
• Block Sizes: Normal Dimensions
• Colour Uniformity: Good
• Availability: Good
• Prevailing Use: Interior And Exterior
• Polishing Treatment: Good
• Other Surface Treatment: Good, Very Good The Sand Blasting
• Compressive Strength: 3695 Kg./cm.² | 3692 Kg./cm.²
• Ditto After Gelivity: 2134 Kg./cm.² |2434 Kg./cm.²
• Water Absorption: 0,0015 | 0,0013
• Thermal Coeff. Expansion: ————— | —————
• Impact Test-min. Fall Height: ————— | —————
• Ultimate Tensil Strength: 262 Kg./cm.² | 296 Kg./cm.²
• Abrasion Coefficient: ————— | —————
• Bulk Density: 3090 Kg./m.³ | 3088 Kg./m.³
• Elasticity Module: ————— | —————
• Knoop Microhardness: ————— | —————
• Flexural Strength: ————— | —————
• Porosity: ————— | —————