6mm abrasion high density plastic sheet export-HDPE sheets 4× Sep 08, 2019 · Generally available from 6mm to 25mm thick in 1220mm, x 3050mm sheets. Custom extruding for special orders can increase thickness to 32mm, and sheet sizes to anywhere up to 3655mm x 12200mm. mpression moulded and planed sheeting is not a stocked item but available on