... ,marble,concrete , heat insulator additives,and the petroleum additives,etc Product NameSodium Methyl SiliconateCAS No.:31795-24-1 ... flammability: Nonflammable1.Surface treatment for concrete2.Making manufactured and natural stones water repellent.3.Making aerated concrete ... use on sandstone, limestone, marble, granite and bricks, ceramics,gypsum and gypsum-based plasterboard, light fillers etc. ...