SK905 is a sealing material based on Polyetheretherketon (PEEK) without additive of filler (PEEK nature). The material shows an increased mechanicak stiffnes in combination with an excellent flexibility, a high thermal resistance and an improved chemical resistance. SK905 is widly used as construction material. wird hauptsächlich als Konstruktionswerkstoff eingesetzt. Whereby the absence of fillers the material can also used in contact with food.