Lately, researchers have been looking for process and products that use environmental friendly technologies in wood protection. These sorts of innovations on wood protection should be carried out for wood evaluated at outdoor conditions. Using water repelling chemicals is one of those innovations which improve wood durability and dimensional stability by decreasing content of moisture. In this study, commercial water repelling chemicals, Zycosil and Walltime, were employed to Scots pine (Pinus sylvestris L.) samples as wood preservatives to develop wood properties such as water absorption, dimensional stability, and compression strength parallel to grain (CSPG). Accordingly, water absorption results of samples treated with Zycosil was lower than that of treated with Walltime after 48 h. Zycosil improved dimensional stability of wood better than Walltime did. Among different chemical concentrations, Zycosil with 75% concentration provided the best dimensional stability on treated wood at the end of water immersion. No significant difference was observed in equilibrium moisture content (EMC) and density values at EMC between samples treated with these two different chemicals. Zycosil made greater effect in decreasing of CSPG values of samples in comparison with Walltime.

Download document (503 kb)
free for the members of IRG. Available if purchased.

Purchase this document