Synergistic Benefits of Metal Hydroxides and Zinc Boratein Flame Retardant Wire and Cable Performance Compounds

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This paper discusses the use of metal hydroxidessuch as magnesium hydroxide or alumina trihydratewith zinc borate for formulating high-performancewire and cable compounds, including the polyolefincompounds for data cable jacketing and automotivewire applications. Results of extensive fireperformance investigations using UL 94 and conecalorimetry are discussed in order to determine theoptimal ratio of borate to metal hydroxide for a givenbase polymer and compound application. Compoundperformance tradeoffs associated with using theMDH and borate fire retardant combination areinvestigated. Enhanced compound performanceusing the unique MDH particles, such as Vertex™100, in combination with Firebrake® ZB-Fine zincborate is illustrated. (source: Scribd)

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