Amazonia Graphite Slate
Brazil
(Belo Horizonte, south-east Brazil)
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
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United Kingdom
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United Kingdom
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Brazil
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ItalyThe request includes: 1. surface finished, size 2. quantity required
