1. Requirement: - normal grade with low formaldehyde emission (e1) ( formaldehyde emission should not exceed 0. 10ppm) - thickness: 7. 8mm ( / -0. 2) - mc: 5. 0-7. 0% - density: 760-780 kg / m3 2. Type of document (below is minimum) - test report en120perforator - certificate - technical data sheet - material safety data sheet