LIGHTWEIGHT AGGREGATE COATED WITH BINDING AGENT/TRANSITION METAL COMPOUND

摘要

2113651 9302985 PCTABS00019 The invention relates to improved light weight aggregate for use in the production of building materials. Light weight aggregate comprises porous particles coated with a binding agent which contains at least 10 % by weight of one or more transition metal ions such as ferric ions. The invention described extends to include emulsions and solutions suitable for coating aggregate as described as well as to coated particles.