Color stabilization of flame retardant

Compositions – Fire retarding – Intumescent


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106 1818, 544195, 524711, 524787, C09D 518, C09K 328, C07D25170




Undesirable color formation during the preparation of a cured intumescent flame retardant is minimized by including a color stabilizing amount of at least one of certain metal phosphites, hypophosphites, sulfites and bisulfites.

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