OUR STONES

SLATE

Variety

 

BLACK SLATE

black slate

Origin

Latin America

Petrological family

Metamorphic rock - Clay slate

Mineralogical Composition

quartz, muscovite, clayey substances and accessory minerals

Collection

Abitare Pavimenti

Selection

APTITUDES

propertiesBlack slate: squared slabs. Material available exclusively with natural surface. Origin: Latin america. Qualità: Chromatic homogeneity of the natural surface; suitable for use in swimming pools, spas, maritime shores.
Hardness and resistance to wear
Hardness and resistance to wear
3
Chromatic homogeneity of the natural surface
Chromatic homogeneity of the natural surface
7
Good aging while preserving the original appearance
Good aging while preserving the original appearance
3
Suitable for harsh climates and strong temperature changes
Suitable for harsh climates and strong temperature changes
1
Suitable for use in swimming pools, spas, maritime shores
Suitable for use in swimming pools, spas, maritime shores
4
Resistance to strong acids, oils and stains
Resistance to strong acids, oils and stains
2
Note: It fades due to the action of acids and alkalis.

Score
[ from 1 to 2: Poor] [ from 3 to 5: Good ] [ from 6 to 7: High ]

PHYSICAL/MECHANICAL PROPERTIES

3

DENSITY

DENSITY

reference standard: UNI EN 1936

Apparent density

average value: 2744 Kg/m3

6

RESISTANCE TO IMBIBITION

RESISTANCE TO IMBIBITION

reference standard: UNI EN 13755

Water absorption at atmospheric pressure

average value: 0.36 % var. grams


1

RESISTANCE TO FROST

RESISTANCE TO FROST

reference standard: UNI EN 12371

Compressive strength after freezing cycles

average value: 0.36 mPa

Flexural strength after freezing cycles

average value: 11.74 mPa

7+

flexural strength

flexural strength

reference standard: UNI EN 12372

Flexural strength under concentrated load

average value: 50.14 mPa
Note: Exceptional flexural strength.


3

RESISTANCE TO WEAR

RESISTANCE TO WEAR

Abrasion wear

reference standard: UNI EN 14157 / 1341
average value: 6.85 mm

Scores
[ from 1 to 2: Poor] [ from 3 to 5: Good ] [ from 6 to 7: High ] [7+: Exceptional]

AVAILABLE PRODUCTS

Squared slabs
Squared slabs
30x60/60x60
natural surface
sawn sides
Note
Processed surface slabs with constant thickness: 1 - 2 - 3 cm
Material available exclusively with natural surface
Dimensions in cm.

OUR STONES

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