The floor of the Game Field is made of 20mmthick ply-wood, and is fully coated with emulsion paint. What type of emulsion paint, technical data, color grade regarding to it?

• 场地的地板由20毫米厚的三合板构成,表面涂满乳胶漆。乳胶漆的种类、技术参数、色级是什么?