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Pórfiro Ácido

Granite

Breccious igneous rock, of variable granularity, with reddish-brown colour and dark green punctuations.

Color

Red

Region

Lisbon

Origin

Setúbal

Occurrence

Torrão – Alcácer do Sal

Reservation Availability

Rare

Other Commercial Names

Pórfiro ácido, Robrato- Nomenclature EN12440

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)

LNEG’s ROP Catalog

Uniaxial Compressive Strength

140 Mpa

Apparent Density

2640 kg/m3

Mechanical Compressive Strength after Freeze-Thaw Testing

150 Mpa

Bending Strength

27,7 Mpa

Water Absorption at Atmospheric Pressure

0,1 %

Open Porosity

0,3 %

Maximum Thermal Expansion Coefficient

7,8 X 10 -6 perº C

Abrasion Resistance (Capon)

0,3 mm

Impact Resistance: Minimum Drop Height

60 cm
0/2/3
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