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| Calacatta Gray |
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CALACATTA GRAY
ORIGIN
BLOCK SIZES
COLOUR UNIFORMITY
AVAILABILITY
PREVAILING USE
POLISHING TREATMENT | ITALY
NORMAL DIMENSIONS
GOOD
GOOD
INTERIOR AND EXTERIOR
VERY GOOD |
OTHER SURFACE TREATMENTS POSSIBLE GENERAL COMMENTS :
TYPICAL CARRARA CLASSIC MARBLE. MOSTLY SPECIFIED FOR INTERIOR DECORATIONS, PAVINGS, CLADDING, BOOK MATCHING ETC. THE BEST RESULT IS GIVEN WITH A POLISHED SURFACE. CHEAP BAD IMITATIONS ARE PRESENT ON THE MARKET. A PRIOR SELECTION AND MOCK-UP ARE ESPECIALLY RECOMMENDED.
| EXAMPLES OF TEST RESULTS : | | | | COMPRESSIVE STRENGTH | 1531 Kg./cm.² | 1538 Kg./cm.² | | DITTO AFTER GELIVITY | 1415 Kg./cm.² | 1420 Kg./cm.² | | WATER ABSORPTION | 0,110 % | 0,115 % | | ULTIMATE TENSIL STRENGTH | 189 Kg./cm.² | 196 Kg./cm.² | | IMPACT TEST-MIN. FALL HEIGHT | 63 cm. | 70 cm. | | THERMAL COEFF. EXPANSION | 0,0054 mm./m. °C | 0,0062 mm./m. °C | | ABRASION COEFFICIENT | 0,62 mm. | 0,68 mm. | | BULK DENSITY | 2750 Kg./m.³ | 2770 Kg./m.³ | | ELASTICITY MODULE | 770000 Kg./cm.² | 776500 Kg./cm.² | | KNOOP MICROHARDNESS | ————— | ————— | | FLEXURAL STRENGTH | ————— | ————— | | POROSITY | ————— | ————— |
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| 01/06/2006 |
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