Dow Corning offers
water repellent emulsion
Dow Corning IE-6683 water repellent emulsion produces a low-VOC hydrophobic treatment that reduces and inhibits water absorption to increase the life of a building substrate. Designed for application on mineral substrates such as brick, stone, concrete and mortar, Dow Corning IE-6683 has a small molecular structure that alleviates excess water absorption to help reduce spalling from freeze-thaw and efflorescence. IE-6683 is a 40% active silane/siloxane emulsion that can be supplied in a fully active or diluted form for water repellent products. According to the company, it maintains excellent performance and stability at low active solid levels, from 5-10%, that allows for higher dilution rates. More info: Dow Corning, Web: www.dowcorning.com/construction.