| abstract |
(57) [Summary] [Problem] To provide a flame retardant which can be mixed with a resin and molded under high-temperature and short molding cycle molding conditions. SOLUTION: The acid value is less than 1, the weight increase rate at the time of exposure to 2 atmosphere saturated steam at 120 ° C for 96 hours is 20% or less, and the weight loss at 300 ° C is 5% or less. Phosphate flame retardant. |