Roughness parameter - no more than 1250 microns for 1,2,3 varieties, 1600 microns - for 4 varieties
Humidity - 10-22% (according to the recipient's request)
Type of treatment - edged and unedged
Thickness - 16,19,21,25,32,40,50 and more
Width - 80...300mm, length 3...6m.