... particle board/chipboard,tubular chipboard,chipboard,particle board, core board,door panelMaterialsoftwoodGlueE1 E2Width900mm, 1180mm, 1250mmThickness18mm, 24mm, 28mm, 30mm, 31mm ... after receiving the prepayment.Application: the core of flat door and isolation boardFeatures:environmental protection, heat preservation, sound ... E1 Tubular chipboard/Hollow particle board/ core board/ door panel