Ardósia de Valongo

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Schist and Slate

Blueish-grey to dark grey homogenous slaty schist, compact, fine grained and presenting clear schistose cleavage.

Color

Grey

Region

North

Origin

Porto

Occurrence

Valongo

Reservation Availability

Available

Other Commercial Names

Ardósia de Valongo – Nomenclatura EN 12440, Lousa de Valongo

Recommended Uses

Indoor and Outdoor

Countertops

Decorative pieces

Kerbs of Natural Stone for External Paving (NP EN 1343)

Modular tiles (NP EN 12057)

Paving Cubes and Kerbs (NP EN 1342)

Rough blocks (NP EN 1467)

Rough Slabs (NP EN 1468)

Shower Tray

Slabs (NP EN 1341)

Slabs for Cladding (NP EN 1469)

Slabs for Floors and Stairs (NP EN 12058)

ROP Catalogue – http://rop.lneg.pt/rop/

Uniaxial Compressive Strength

187 Mpa

Apparent Density

2820 kg/m3

Mechanical Compressive Strength after Freeze-Thaw Testing

168 Mpa

Bending Strength

56,9 Mpa

Water Absorption at Atmospheric Pressure

0,4 %

Open Porosity

1,2 %

Maximum Thermal Expansion Coefficient

7,6 X 10 -6 perº C

Abrasion Resistance (Capon)

6,3 mm

Impact Resistance: Minimum Drop Height

110 cm

Companies

SOLICEL – Sociedade do Centro Industrial de Esteios de Lousa, Lda.

Vila Nova de Foz Côa

Projects

Snake Houses

Amalgam Pedestals

Snake Houses

Amalgam Pedestals

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