Slate

It is a metamorphic rock that belongs to the group of aluminum silicates with a lamellar appearance, its color is generally gray, greenish or black, and it is used as a mineral filler/additive in the rubber industry, civil construction (composition of waterproofing such as asphalt blanket, grout, two-component mortar), composition of pozzolanic cement, friction (tarpaulins and brake pads), crafts, seed coating formulations, remineralizing/conditioning product used as stone powder in clearing to improve soil fertility.

Main applications

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