environmental protection, heat preservation, sound insulation, light in weight, anti-impact, stable in dimension, easy to proces 33mm hollow core particle board/chipboard,tubular chipboardMaterialsoftwoodGlueE1 E2Widthaccording to your needsThickness33mmLength2090mm Bore25mmWood moisture7-10%StorageStorage on pallets and protection against humidity. The influence of air humidity should be kept as ...