Orfitrans Stiff

Orfitrans Stiff, our “GOLD STANDARD”, has everything you need in a check socket material. It is a very rigid, transparent material that will not break, crack or shatter when dropped. You will love the way it pulls and the material feels great! No other material will come close to Orfitrans Stiff in performance and quality!

Product Characteristics


  • Most rigid product of the Orfitrans range, self supporting.
  • High impact resistance.
  • Will not break, crack or shatter when dropped.
  • Virtually indestructable.
  • High fatigue resistance.


  • The socket will remain transparent.
  • Clear, slightly blue color.
  • The limb remains visible when wearing Orfitrans Stiff.

Low shrinkage

  • No risk for excessive pressure or compression.
  • The socket material will keep the shape and dimension determined by the mould.

Working properties

  • Non-sticky.
  • Bubble forming.
  • Pulls easily and uniformly.


  • Styrene based.
  • Delivered with protective PE-foil. PE foil has to be removed before activation.


  • 170°C / 338°F.
  • Activation time according to thickness.
Thicknesses mm (inches)
8 mm (5/16")
10 mm (3/8")
12 mm (1/2")
15 mm (19/32")
Instructions for use
Technical data sheet
Safety data sheet
Related blogpost View all

Using Orfitrans for 5 different O&P applications – examples by ‘Titan O&P Fabrications’