... *2440, thickness :5~18 4.Base board: MDF cabinet door polymer composite board 1.base material: MDF(medium density fiber ... is over 750kg/m3 2. back of the MDF board: warm white or pure melamine, easy to wash ... adhee the base boad MDF.4. Construction: Polymer composite board in fact is the combination of PVC, PET ... and Acrylic.5. Theory: Polymer composite board is the upgrade of UR, so it keeps ...