For fire protection of steel structures, is fire-retardant coating or fire-retardant paint better?
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For the corrosion protection of steel structures, fireproof coatings have been the traditional choice; however, it is mentioned that fireproof paints are also available. What are the characteristics of fireproof paints, and will they replace fireproof coatings?
The fireproof coating we use is a thick layer, just like cement.
Well, fire-resistant paint is a type of fire-retardant coating; to be more precise, it falls under the category of fire-retardant coatings. Fire-resistant paint generally refers to solvent-based fire-retardant coatings, specifically those that use xylene or 200# gasoline as solvents. There are also water-based fireproof coatings; when it was said upstairs that there should be a thick layer, this probably refers to heavy-duty fireproof coatings for steel structures, which have a substantial coating thickness and can provide fire resistance for up to 3 hours.