engleski

Durability of waterborne coating systems for wooden windows

Artificial weathering method in accordance with HRN EN 927-6 was used for the evaluation of the behaviour of coating systems for wooden windows. Three opaque waterborne coating systems and three semi-transparent coating systems were used in this research. The test was carried out on test specimens made of spruce wood. Surface properties of used coating systems were compared with ICP (Internal Comparison Product). The best performance of semi-transparent coatings in terms of colour retention, adhesion and liquid water absorption showed the cheapest coating system. It has been established that exposure period of 6 weeks was too short to predict performance of opaque coatings. Obtained results could be used as pretest for natural weathering.

artificial weathering; waterborne coatings; wooden windows

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