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Cone Tools predict SBI parameters
Release date: 11 Apr 2006
There are currently a number of different test methods used across Europe for assessing the fire performance of construction products. However, a new system for classifying such products is now being introduced with the implementation of the Construction Products Directive, 89/106/EC. This Directive essentially covers legislation to facilitate the free movement of construction products throughout the EU.

The most important new test method, the Single Burning Item (SBI) – EN 13823 – will, in effect, supersede national tests currently being used to classify building products, for example the UK’s BS 476 Parts 6 and 7. “Unfortunately, there is generally no simple correlation between data generated in the SBI test and in the various national tests, so manufacturers and suppliers of construction products will almost certainly need to reformulate their products in order to meet the new reaction to fire classifications, known as ‘Euroclasses’,” comments Dr. Paul Cusack, Technical Manager, Fireproof.

The SBI test itself requires fairly large samples and there is clearly the need for a smaller scale predictive test for product development and quality control purposes. Cone Calorimeter tests, as conducted within the Fireproof laboratory, utilise a recent mathematical model, ‘ConeTools’, developed by the SP Swedish National Testing and Research Institute, to predict SBI parameters and, consequently, the Euroclass designation of construction products.

“By offering a combination of small-scale polymer compounding and moulding facilities with predictive laboratory scale fire testing methods, Fireproof will provide a very cost effective means for companies to carry out their re-formulation development work”, comments Cusack.
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