HEAT DETERIORATION RESISTANT FLAME RETARDANT, RESIN COMPOSITION AND MOLDED ARTICLES

摘要

A flame retardant having heat deterioration resistance which is composed of magnesium hydroxide particles having (i) an average secondary particle diameter, measured by a laser diffraction scattering method, of not more than 2 .mu.m, (ii) a specific surface area, measured by a BET method, of not more than 20 m an iron compound and a manganese compound of not more than 0.02 % by weight in terms of metals, and a synthetic resin composition comprising the same and a molded article therefrom.