This study is about the effect of fire resistant of fire retardant paints by changing different dehydrates, to fire retardant paint and to above a Philippine mahogany board add special flame retardants. When dehydrates is ammonium polyphosphate which is better than monoammonium phosphate diammonium phosphate, whther the wet coating rate are 200g/m^2, 400g/m^2, 600g/m^2, 800g/m^2.
