Dry grout and method of distributing aluminum therein

Details Dry grout and method of distributing aluminum therein Dry grout and method of distributing aluminum therein

C - Chemistry, Metallurgy

04

B

261/85, 117/46.2

C04B 28/04 (2006.01) B05D 7/14 (2006.01) C04B 22/04 (2006.01)

Patent

CA 1323042

Abstract A method of packaging dry grout involving a novel aluminum product for use in packaged dry grout. Aluminum flakes conventionally used as an expanding agent in a grout fluidifier are coated with a film which has limited sensitivity to the moisture and the alka1i(cement) in dry grout and are then blended with the materials(comprising cement) to be packaged as a dry grout for mixing with water to form a wet grout. The coating used is highly sensitive to the water and/or alkaline nature of the wet grout and readily deteriorates when the dry grout is mixed with water. A coating and binder, e.g., sodium silicate, may be used to coat the aluminum flakes and to adhere the aluminum to micro-particles, such as glassy microspheres, prior to a dry grout blending operation.

579230

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