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This material is also referred to as colloidal silica or cab-o-sil and is an excellent thixotropic agent which is used to control the viscosity of mixed epoxy systems. Can be used alone for a very smooth, non-sagging, high strength mixture or combined with bulking or fibrous agents to make them non-sagging. A 5 quart quantity of silica thickener when combined with 1 gallon of mixed epoxy/hardener, will produce about 1.75 gallons of a nonsagging firm paste.


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