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Home  > Raw materials & technologies  > Production and testing  > Intumescent coating provides fire resistance

Monday, 23 September 2019
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Raw materials & technologies, Production and testing

Intumescent coating provides fire resistance

Wednesday, 1 February 2012

A reliable, repeatable and fast small scale test based on a furnace delivering ISO 834 and UL-1709 temperature/time curves has been developed.

Intumescence is a versatile method for providing resistance to fire to materials. When heating beyond a critical temperature, the intumescent material begins to swell and then to expand forming an insulative coating limiting heat and mass transfer. It is nowadays widely used for fire protection including protection of wood and steel against fire. The resistance to fire of intumescent coating protecting steel is typically measured by a curve 'temperature as a function of time' and requires large scale equipment. Those tests are very expensive and time consuming. Now a reliable, repeatable and fast small scale test based on a furnace delivering ISO 834 and UL-1709 temperature/time curves has been developed. This test is equipped with a window permitting to follow the development of the intumescent coating during the test. It then permits the ‘high throughput’ development of intumescent coating protecting steel or wooden materials.
Prof. Serge Bourbigot, Ecole Nationale Supérieure de Chimie de Lille, will present this test at the European Coatings Conference "Fire retardant coatings” on 13 and 14 March, 2012 in Berlin.
More information on the conference

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