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A. Kamiński

Inflammability as a criterion of the applicability of polyester laminates in the construction of passenger cars

Polimery 1984, No 4-5, 196

DOI: dx.doi.org/10.14314/polimery.1984.196


The existing requirements in many countries and international regulations concerning the inflammability of GRP laminates used in the construction of passenger railway cars have been presented. The effect of content of various flame-retardants of the type of Flammex and Bromkal as well as of mineral fillers (aluminium hydroxide, kaolin, chalk, antimony trioxide) on ignitability, oxygen index and surface propagation of flame for GRP laminates prepared with commercial Polimal resins nos. 109, 160 and 162 as well as a prototype resin Polimal 160/Br has been investigated. The ignitability of GRP laminates and laminates pre­pared from aqueous polyester emulsions covered with Pyrolak — a fire protecting preparation — has also been characterized. It has been confirmed that the higher the content of flame retardants and fillers the lower is the inflammability of laminates. The same effect has a layer of Pyrolak. The best fire resistance exhibited laminates prepared with the use of Polimal 160/Br resin.

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