Abstract: A method of making a product which is generally impervious to water including the steps of making a generally homogenous mixture of slate particles and clay, wetting the mixture as necessary to produce a formable composition, forming the wet mixture to a desired configuration, at least partially drying the formed mixture and subjecting the dried formed mixture to a temperature of at least 1100° C. for a time sufficient for at least some of the clay to convert into a binder to bind together the slate particles.
Abstract: A method of making a product such as a tile which comprises the steps of making a generally homogenous mixture of slate particles and clay powder, wetting the mixture as necessary to produce a formable composition, forming the wet mixture to a desired configuration, at least partially drying the formed wet mixture and subjecting the dried formed mixture to a temperature of at least 1100° C. for a time sufficient for at least some of the clay to convert into a binder to bind together the slate particles.
Abstract: A method of making a product which is generally impervious to water including the steps of making a generally homogenous mixture of slate particles and clay, setting the mixture as necessary to produce a formable composition, forming the wet mixture to a desired configuration, at least partially drying the formed mixture and subjecting the dried formed mixture to a temperature of at least 1145° C. for a time sufficient for at least some of the clay to convert into a binder to bind together the slate particles.
Abstract: A building product comprises slate particles e.g. flakes, slivers, chips, fragments, and/or powdered dust particles bonded together by a fused glassy binder.
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