Abstract:

Chromatics is a science of color measuring and appraising, which can describe quantificationally object color. In this study Nitrocellulose varnish, Alkyd varnish and Polyurethane varnish, which are commonly used for wood products painting in China, were used to study chromatic parameters change of three Eucalyptus plantation woods. The object is to reveal the change rule of color of three Eucalyptus plantation woods during the course of painting and provide reference for making painting process and controlling color after painting. The study shows: 1) Wood color change during painting is gradual, which is concerned with the number of painting. 2) Using different varnish painting, the chromatic parameters of the three Eucalyptus plantation woods is different.

Key words: Eucalyptus urophylla×, E. grandis, Eucalyptus citriodora, Eucalyptus exserta, clear painting