Abstract

The necessity has arisen in recent decades to ascertain the significance and reliability of small-scale laboratory tests in assessing the fire behaviour of building and furnishing materials. This has been satisfied by the creation of a Working Group ‘Room Fire Test’ within ISO/TC 92/SC1 (Fire Tests on Building Materials, Components and Structures—Reaction to Fire). This Working Group has produced Document ISO/TC 92/SC1/WG7 N40, ‘Room Fire Test in Full Scale for Surface Products’, where a Draft Proposal for an International Standard is presented. On the basis of this document many European laboratories, including Montedipe CSI, have built the appropriate apparatus and some have carried out preliminary tests. This paper describes such apparatus, its features and some preliminary test results, obtained in Sweden, where a correlation has been attempted between small-scale and full-scale laboratory tests. These data are quite interesting for plastics, because some criticism was made in the past on the basis that small-scale laboratory tests are unable to demonstrate the fire hazard of synthetic materials, since they have been developed for traditional materials.

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