Polystone PP Kinetic Orthotic shell material properties?
Kinetic orthotic material properties are unique not only because of how they are designed and manufactured but also because of the unique kind of plastic they are manufactured from. This plastic’s unique properties combine to give you the ultimate blend of qualities hard to find in any other comparable material or orthotic device.

1. The plastic is called Polystone PP it is a unique kind of polypropylene which is extremely tough and hard-wearing: so much so that we can offer a life time guarantee on its resilience. It is guaranteed not to bottom out and not to break or we replace it free of charge. An offer that makes us a leader in the orthotics industry.
   
   
2. Polystone PP is extremely light-weight; as a matter of fact it is the most light-weight of all the plastics with a SGI of 0.91. This fact is important for athletes where weight minimisation is an important issue in order to maximise performance. Light-weight sleek orthotic shells are ideal for most people who don’t want bulky heavy orthotics.
   
   
3. Light-weight properties of the Polystone PP are further enhanced by the blended incorporation of forefoot and rear foot posting into the shells’ design. This creates a unique product: the lightest, fully functional, resilient, individual orthotic device available on the market today.
   
4. Hygienic, Polystone PP is easily cleaned, does not encourage bacterial or fungal growth, and it is impermeable to water and moisture vapour. With Kinetic Orthotics unique milled finish there is no need to add a top cover, especially when you are not using any additional soft padding.
   
5. Polystone PP is easy to grind and adjust, as the material and doesn't grind to a fine dust. With the tapered thickness of Kinetic Orthotics, facial grooves can be easily added without adversely affecting the orthotic shells torsional stability and performance. The incorporated forefoot posting allows adjustment to length without causing increased front edge instability as well as allowing slight changes in forefoot posting angles by grinding either top or bottom surfaces. The aspect of incorporated forefoot and rear foot posts maximises the torsional stability of the whole orthotic allowing for dramatic width adjustments to be made to the orthotics for shoe-fit without compromising the orthotic shells’ functional integrity.
   
6. Polystone PP is also heat adjustable. Although not highly recommended, as it can disturb design parameters, spot heating can be used to adjust the orthotic.
   
   
7. Polystone PP Kinetic Orthotics combine all these properties: individual design, adjustability and resilience, to give you and your patients better value for money than any other product of it’s kind on the market today.