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Amazonia Graphite Slate
About
Material Type: Slate
Origin: Brazil ((Belo Horizonte, south-east Brazil))
Priamry Color(s): Grey
Recommended Usage:Building stone, roof tiles, fireplaces, stairs, countertops, sinks, monuments, pool coping, sills, o
Additional Names:Ssq Brazilian Amazonia Graphite,Black Graphite Slate
Finished Surface:Sawn Cut, Sanded, Rockfaced, Sandblasted, Bushhammered, Tumbled, Thermalled, Natural Cleft, Weatheredge
Testing
Water Absorption:0.35 %
Density:2750 kg/m³
Compressive Strength:
Description

Mined exclusively for SSQ in south-east Brazil
SSQ Amazonia graphite is a mid-grey roofing slate

Tested in accordance with EN 12326, it carries the CE marking and is classified as 'A1-T1-S1'

CHEMICAL ANALYSIS
Calcinations loess ……..6,5%
Silicon.……..55,7%
Iron Oxide ………6,3%
Aluminium Oxide …….17,4%
Calcium Oxide ……..6,3%
Magnesium Oxide …2.3 %
Potassium Oxide .……..3.2 %
Sodium Oxide …….1.8 %
Sulphates expressed as SO3…….Inf. 0.1 %
TECHNICAL ANALYSIS
Visible volumetric mass ……..2750 kg/m3
Absorption coefficient …….0,35 %
Breaking load through indirect stress by bending …from 50,7 MPa
Hardness (Mohs)……~ 3,5/4
Wear by attrition: abrasion coefficient in tribometer ….6,7 mm
Frost proof ……Very Good

Amazonia Graphite Slate

Grey- Slate

Brazil
Item Details
Quarry Location: (Belo Horizonte, south-east Brazil)
Recommended Usage: Building stone, roof tiles, fireplaces, stairs, countertops, sinks, monuments, pool coping, sills, o
Additional Names: Ssq Brazilian Amazonia Graphite,Black Graphite Slate
Finished Surface: Sawn Cut, Sanded, Rockfaced, Sandblasted, Bushhammered, Tumbled, Thermalled, Natural Cleft, Weatheredge
Water Absorption: 0.35 %
Density: 2750 kg/m³
Compressive Strength:
Description

Mined exclusively for SSQ in south-east Brazil
SSQ Amazonia graphite is a mid-grey roofing slate

Tested in accordance with EN 12326, it carries the CE marking and is classified as 'A1-T1-S1'

CHEMICAL ANALYSIS
Calcinations loess ……..6,5%
Silicon.……..55,7%
Iron Oxide ………6,3%
Aluminium Oxide …….17,4%
Calcium Oxide ……..6,3%
Magnesium Oxide …2.3 %
Potassium Oxide .……..3.2 %
Sodium Oxide …….1.8 %
Sulphates expressed as SO3…….Inf. 0.1 %
TECHNICAL ANALYSIS
Visible volumetric mass ……..2750 kg/m3
Absorption coefficient …….0,35 %
Breaking load through indirect stress by bending …from 50,7 MPa
Hardness (Mohs)……~ 3,5/4
Wear by attrition: abrasion coefficient in tribometer ….6,7 mm
Frost proof ……Very Good