... Length: 2000mm or according to your needshollow core particle board/chipboard,tubular chipboard MaterialsoftwoodGlueE1 E2Width900mm, 1180mm, 1250mmThickness18mm, 24mm, 28mm, 30mm, 31mm, 33mm ... door and isolation boardFeatures:environmental protection, heat preservation, sound insulation, light in weight, anti-impact, stable in dimension, easy to processing. chipboard ...