A bentonite composition extrusile as a flexible strip-like or sheet-like waterproofing product

摘要

A waterproofing composition comprising a water swellable smectite clay dispersed in an organic liquid consisting of C2-C9 polyhydric alcohols or their alcoholic eters and esters and a binder comprising a copolymer of acrylic ester of lower alcohols. The composition is used for the manufacture by extrusion of highly flexible and elastic strip-like or sheet-like products for waterproofing works in the field of building.