The Irregular Gray Marengue Slate is a sedimentary metamorphic rock with a gray tone and smooth texture. It is a hard and compact natural stone that allows exfoliation, that is, it is made up of different layers that are deposited one on top of the other and that if they detach, it would not affect the qualities of natural stone. It is durable and presents a great variety of textures and colors, presenting a strong detonation.
Average thickness: 1.5 to 3 cms.
Waterproof, strong and durable. Allows exfoliation
Weight: 54 Kg./m?
Flexural strength: 44.52 MPa
Impact resistance: 118.75 cms.
Water absorption: 0.25%
Compressive strength: 100.69 MPa
Coefficient of freezing: 0.01%
Frictional wear: 4.48 mm