Orthoflex® Elastic Plaster of Paris Bandages - Fast setting / 5-8 minutes Orthoflex® elastic plaster bandages are ideal for difficult casting procedures such as post-amputation, as they conform well to body contours and bony prominences. Orthofles® elastic bandages are manufactured with Specialist® plaster and an elastic gauze. Caution: This product contains latex rubber which may cause an allergic reaction.