Application, scope and purpose：The fixation of the head, neck, shoulder, breast and somatic area during radiation therapy. The superior shape memorizing properties of the material, coupled with complete X-ray transparency after heating, ruggedness and the ability to be used repeatedly, makes this thermoplastic ideal for use in radiotherapy and rehabilitation immobilization. 

This thermoplastic can be remolded into a variety of different shapes and has great plasticity. Other advantages include light in weight, high strength, ventilated, washable, non-toxic, tasteless, no skin allergies and biodegradable. This kind of thermoplastic is a perfect external immobilization material for use in radiotherapy, rehabilitation, and occupational therapy.