Covelano(意大利)。 白色背景横渡与在颜色的静脉从灰色到绿色。 它是细粒度的,适用于任何表面处理,包括内部和外部。大理石板尺寸约为3.00x1.50x1.50m。 Covelano银色大理石特别受到高度重视。
Covelano银色大理石的物理和机械特性
Standard | U.M. | VAL.MED | DEV.ST. | VAL.MED. | DEV.ST. |
EN 1936-07 Apparent density | Kg/m³ | 2710 | 5,16 | ||
EN 1936-07 Open porosity | % | 0,4 | 0,05 | ||
EN 12372-07 Flexural strength under concentrated load (in natural conditions) | MPa | 12,5 | 1,3 | ||
EN 12371-03 (exposed to 12 frost cycles) (exposed to 48 frost cycles) |
MPa MPa |
10,2 11,5 |
1,3 1,3 |
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EN 14231-04 Slip resistance:
polished finish (Dry) polished finish (Wet) honed finish (Dry) honed finish (Wet) |
USVR USVR USVR USVR |
47 6 48 14 |
5 1 10 4 |
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Norma | |||||
ASTM C97-09 Absorption | % | 0,10 | |||
ASTM C97-09 Bulk Specific Gravity | Pound/ft³ Kg/m³ |
169.50 2715 |
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ASTM C1353 Abrasion | Ha | 10,11 | 0,72 | ||
ASTM C880-09 Flexural Strength | psi MPa |
Dry 2.131,5 Dry 14,70 |
449 3,1 |
Wet 1.725,5 Wet 11,90 |
363 2,5 |
ASTM C99-09 Modulus of Rupture | psi MPa |
Dry 1.769,0 Dry 12,20 |
127 0,88 |
Wet 1.638,5 Wet 11,30 |
63 0,44 |
ASTM C170-09 Compressive Strength | psi MPa |
Dry 13.191 Dry 91 |
1.991 13,73 |
Wet 12.470 Wet 86 |
1.714 11,82 |