METHOD FOR PREVENTING AND RETARDING SPREAD OF FIRE FOR URETHANE FOAM APPLIED IN WORK EXECUTED IN FIELD

摘要

PROBLEM TO BE SOLVED: To prevent and retard spreading of fire even in the case where a fireproof liquor applied in works executed in a field for coating the surface of a urethane foam falls off. SOLUTION: The fireproof liquor to be applied in works executed in a field for coating the surface of the urethane foam is applied alternately to the surfaces of the urethane foams.