A.0.1~0.2 B.0.2~0.3 C.0.3~0.4 D.0.4~0.5
A.10~15 B.15~20 C.20~25 D.25~30
A.涂料施工粘度較低 B.被涂物外形復雜 C.底涂層溶劑未完全揮發(fā) D.涂料中顏料分散不良