Materials (liquid or powder) used to coat a surface for protection or coloring; paint.
塗料を買って部屋の壁を塗り替えた。
I bought paint and repainted the room's walls.
木材用の塗料は防水性があるものを選んだほうがいい。
For wood you should choose paint that has waterproof properties.
工場ではさまざまな色の塗料が棚に並んでいる。
Various colors of paint are lined up on the shelves in the factory.