It´s a board manufactured with small wood shavings glued by pressure and without any type of finish.
It´s usually brown colour. The edges don´t admit any type of mold or paint. However its surface can be painted without any problem, and perfectly admits layers of wood or plastic. It´s commercialized in thickness of 10,16, 19 and 30 mm. The usual messure is 244 x 122cm, but some thickness are made in 366 x 183 cm. It´s the cheapest board.
It´s recommended for any function that the board it´s not seen (inside furniture, board for over the bed base…) or for any kind of cheap furniture. The kids also use to dry leafs between both boards