Influence of wood saturation with fireand bioprotective agents on its combustibility

Abstract

The aim was to establish the effect of pine wood saturation with fireand bioprotective agents on its combustibility and to evaluate the fireproof efficiency of three types of fire retardants: Senezh OgneBio, Ecosept OgneBio, and Propitex Ognebiozaschita. The compositions were applied onto the samples by surface treatment and deep impregnation. Combustibility tests were carried out by the flame tube method according to a standard technique. The quality of the fire and bioprotective agents was evaluated by the impregnation content in the samples and by the weight loss of the treated samples during combustion tests. In surface-treated samples, the average content of Senezh OgneBio was 2.41 wt% and the average mass loss during combustion reached 21.97%. The average content of Ecosept OgneBio and Propitex Ognebiozaschita fire retardants in the samples was 1.97 and 2.56 wt%, with the average mass loss during combustion reaching 28.52% and 28.38%, respectively. After deep impregnation, the average content of the impregnating compositions in the samples increased by more than 2.5 times, and wood damage during the test was on average 14.87% for Senezh OgneBio, 8.27% for Ecosept OgneBio, and 11.83% for Propitex Ognebiozaschita. Senezh OgneBio was experimentally determined to be the best fireand bioprotective agent for wood surface treatment, although all three compositions were found to be suitable for deep impregnation.