| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for forming a coating film of a ceiling decorative board, which expresses a staid deep color or a real deep color without glossing, and also improving scratch resistance. <P>SOLUTION: The method includes: applying a deep color paint containing a colorant and having Munsell lightness value of 4.5 or less on the surface of a rock wool sound absorbing plate 10 as an under coat 11; and then applying a paint containing a deep color particle 14 having the similar color to the under coat paint and Munsell lightness value of 2.0 or less so as to make the thickness smaller than the diameter of the deep color particle 14 as a top coat 13 to be applied on the under coat 11. <P>COPYRIGHT: (C)2012,JPO&INPIT |
