Blast Media Containing MGO

Author:  Benny S. Yam, Anthony E. Winston
Source:  US Patent 5,338,323
Doc ID:  1994008
Year of Publication:  1994
Abstract:  
A blast media for stripping coatings or other contaminants from a solid surface comprises water soluble abrasive particles and a rinse aid which reduces the amount of water soluble residues of blast media remaining on the targeted surface and which enables any residues which remain to be readily removed by fresh water. The rinse aid can include magnesium oxide or a mixture thereof with one or more surfactants.