What are the ingredients of flame retardant

Flame retardant: at present, it mainly includes organic and inorganic, halogen and non halogen.
Composition of flame retardant:
Organic flame retardants are some flame retardants represented by bromine, nitrogen, red phosphorus and compounds,
Inorganic flame retardant systems mainly include antimony trioxide, magnesium hydroxide, aluminum hydroxide, silicon system, etc.