Thickness: 18mm. Basic specifications: 18mm x 1220 mm x 2440 mm Water-resistant glue: 100% WBP Phenolic. Film type: Black, Brown. Moisture: 9.7%. Swelling in thickness immersed in water for 24 hours: 2.1%. Board density: equivalent to 611 kg/m3. Reuse: 6~11 times.