What is the blackboard made of? Is there any difference between green and black?
Take the wooden board as the base, and then first layer "fill the soil", so that the board surface is smooth
And then coated with a few layers of blackboard paint to dry itThere is no difference in the nature of the blackboard between green and black. The green blackboard is designated by the State Education Commission. It is a kind of environmental friendly blackboard writing tool with high quality and low price.
There is no difference between the writing and wiping methods and the ordinary blackboard. The green blackboard is easy to write, easy to erase, no reflection, and has the function of protecting the eyesight. And writing and cleaning will not be like ordinary black blackboard that dusty, with a certain amount of adsorption.
