2362 Manufacture of plaster products for construction purposes

23621050 Boards, sheets, panels, tiles and similar articles of plaster or of compositions based on plaster, faced or reinforced with paper or paperboard only (excluding articles agglomerated with plaster, ornamented) 23621090 Boards, sheets, panels, tiles and similar articles of plasteror of compositions based on plaster, not faced or reinforced with paper or paperboard only (excluding articles agglomerated with plaster, ornamented)