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Sea-Flex®
SeaFlex® is North Sea Plastics Ltd second generation of flexible materials for orthotics and prosthetics. Having developed Northvane®, NSP listened to customers comments, and feedback received from amputee wearers of Northvane®, to develop SeaFlex®.
SeaFlex® is lighter in weight than Northvane® (and lighter in weight than any other flexible material currently available for P & O - Prosthetic and Orthotic). A common problem with materials containing low density polyethylene is discolouration after a period of time being worn by the amputee. This discolouration is caused by a number of issues, but the main one is exposure to human skin oil.
This is the cause of the discolouration in many cases and as such there is nothing that can be done to reduce this. SeaFlex® is much, much more resistant to discolouration. It is not possible to say that it is not affected, there are too many variables when dealing with the human body, however over 13 years of use has proven the fact that SeaFlex® does not discolour very easily. To give more choice to the amputee for comfort levels, SeaFlex® is produced in three very distinct grades of flexibility, 100 grade (very flexible), 200 grade (flexible) and 300 grade (stiff).
The three grades of flexibility also provides more choice for use in the manufacture of various orthotic devices. SeaFlex® is used to manufacture SMO’s, wrist splints, protective helmets, neck braces, and body jackets.
SeaFlex® is a very stable, forgiving material when being moulded, and exhibits no shrinkage after it has been moulded.
- The latest generation of polyolefin elastomer.
- Three distinct grades of flexibility giving maximum choice to the end user.
Seaflex 100® - Ultraflex. The most flexible thermoplastic sheet material in the world.
Seaflex 200® - Medium flex. Nearest equivalent to Northvane®.
Seaflex 300® - Stiff. Still more flexible than low density polyethylene.
- Lightweight - The lightest thermoplastic sheet
material in the market. - Unique to North Sea Plastics Ltd.
- Excellent tear resistance; Seaflex® can be
stitched or riveted. - No shrinkage.
Available in the following thickness:
3.2mm, 4.8mm, 6.4mm, 9.5mm, 12.7mm, 16mm.
Tolerance on thickness:
3.2mm (minimum 2.4mm, maximum 4.lmm)
4.8mm (minimum 3.9mm, maximum 5.6mm)
6.4mm ±10% (mean)
9.5mm ±15% (mean)
12.5mm and above ±5% (mean).
Colours available:
Clear
Sheet sizes:
3.2mm, 4.8mm - 1220mm x 1220mm
6.4mm, 9.5mm, 12.7mm, 16mm - 1220mm x 812mm
Square size for prosthetics:
450 x 450mm, 406 x 406mm, 343 x 343mm, 305 x 305mm.
Moulding temperature:
Orthotics 150°C / 302°F
Prosthetics 150°C / 302°F
Cooking time:
3 minutes per mm thickness. N.B. As all ovens have slightly different heating characteristics please use our recommended timings as a guide only.
For information regarding the NSP range of ovens click here
Prosthetic and Orthotic Applications
- Flexible Liner Sockets
- Lightweight Prosthetic Liner Sockets
- Wristsplints
- Protective helmets
- Neck braces
- Body jackets
Support Documents
- Sea-Flex® -
Product Leaflet - Sea-Flex® -
Material Safety Data sheet
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