FIRE RESISTANCE COATING AGENT FOR PRODUCING MOLD COATING

摘要

PROBLEM TO BE SOLVED: To provide a fire resistance coating agent for producing mold coating.SOLUTION: The present invention relates to a fire resistance coating agent for producing mold coating by applying to inorganically or organically bound molding material in lost method molds or to cores for iron or steel casting. The fire resistance coating agent which can be used directly includes inorganic hollow bodies that are made partially or entirely of crystalline material having proportion of mass of 0.001% or more and less than 1%, and the agent has a softening point of 1000°C or higher.