With improved flammability characteristics structures

Flame retardants may be incorporated as additives in particulate or coating form. They may be halogenated or non-halogenated. Their use must be considered in conjunction with their effect on mechanical properties, especially for durability. There is a need to match all the flammability characteristics, ignitability, heat development, smoke and toxicity and to ensure continued structural integrity. Some fire retardants may improve one of these fire performance characteristics at the expense of others. 

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