The number of boards would vary according to thickness -
6 mm -- 80 -- 8 ft. x 4 ft.
8 mm -- 60 -- 8 ft. x 4 ft.
10 mm -- 50 -- 8 ft. x 4 ft.
12 mm -- 40 -- 8 ft. x 4 ft.
16 mm -- 30 -- 8 ft. x 4ft.
20 mm -- 25 -- 8 ft. x 4 ft.
30 mm -- 17 -- 8 ft. x 4 ft.
40 mm -- 13 -- 8 ft. x 4 ft.
The approximate weight per pallet is approximately 2000 Kgs.