| 摘要 |
PROBLEM TO BE SOLVED: To improve the adhesiveness of a wood subjected to fireproof treatment or the adhesiveness of coating.SOLUTION: In a first surface treated wood 50, chemicals 20 in a surface 14 of a wood 10 subjected to fireproof treatment, such as a flame-retardant wood, a semi-fireproof wood, and a fireproof wood, are removed with a liquid, and a surface treatment agent (primer) 60 is coated to form a surface treatment agent layer 62. |
