Patent ID: 6656997
Filing Date: 2003-12-02
Classification: C08K

Abstract:
A plastic product formed of at least two layers, where at least one layer is made from a thermoplastic polyamide containing composition and contains from 3 to 30% by weight of a conductivity black, wherein the conductivity black is defined by the following parameters:a) DBP absorption of from 100 to 300 ml/100 g; b) a specific surface area of from 30 to 180 m2/g; c) an ash content of less than 0.1% by weight and d) a grit content of not more than 25 ppm, wherein at least one other layer is formed of a rubber, a polyethylene-2,6-naphthalate composition, a polybutylene-2,6-naphthalate composition, a polyvinylidenefluoride composition, an ethylene-tetrafluoroethylene copolymer composition, a tetrafluoroethylene-hexafluoropropene-vinylidenefluoride terpolymer composition, a polyolefin composition or an ethylene-vinyl alcohol copolymer composition.