Flame Retardant are substances that can be chemically inserted into the polymer molecule or be physically blended in polymers after polymerization to suppress, reduce, delay or modify the propagation of a flame through a plastic materials. There are several classes of flame retardants; Halogenated Hydrocarbons (Chlorine and Bromine containing compounds and reactive flame retardants), Inorganic flame retardants ( Boron compounds, Antimony oxides, Aluminium Hydroxide, molybdenum compounds, zinc and magnesium oxides ), Phosphorous containing compounds (Organic phosphate esters, phosphates, halogenated phosphorus compounds and inorganic phosphorus containing salts).
Inorganic
| Antimony compounds
| Boron compounds
|
Other metal compounds
| Phosphorus compounds
| Inorganic flame retardants
|
Halogenated organic
| Chlorinated
| Organophosphoros
|
Polyols
| Halogenated phosphates
| Nitrogen -based
|
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