Corrugated board is a composite material sheet consisting of a longitudinal wavy corrugated core layer and flat paperboard on both sides. Specific corrugated board sizes and models may vary depending on the manufacturer and application, so here are some general corrugated board sizes and models provided.

Dimensions: Length 2000mm, Width 900mm, Thickness 6mm.

2. Specifications: Length 2440mm, Width 1220mm, Thickness 3mm.

3. Specifications: Length 2440mm, Width 1220mm, Thickness 5mm.

4. Specifications: Length 1000mm, Width 1000mm, Thickness 8mm.

5. Specifications: Length 2000mm, Width 1200mm, Thickness 10mm.

Note that corrugated boards are produced according to various specifications, uses, and requirements, so the specifications mentioned above are for reference only. The specific model should be selected based on the actual application scenario. Additionally, when purchasing corrugated boards, factors such as material, load-bearing capacity, and waterproof performance should also be considered.