Form This specification and its supplementary detail specifications cover silicon dioxide in the form of a white@ amorphous powder. Application This powder has been used typically as a thickening (thixotropic) agent for resin systems@ but usage is not limited to such applications. Safety - Hazardous Materials While the materials@ methods@ applications@ and processes described or referenced in this specification may involve the use of hazardous materials@ this specification does not address the hazards which may be involved in such use. It is the sole responsibility of the user to ensure familiarity with the safe and proper use of any hazardous materials and to take necessary precautionary measures to ensure the health and safety of all personnel involved.