... C) maintain high toughness;3, self-lubricity and ptfe quite, friction coefficient of just 0.07-0 ... adhesion ability is extremely strong, second only to ptfe;7, completely health non-toxic, can be ... in all the least engineering plastic, than ptfe light 56%.In order to display of ultra ... company produces the pipes, plank, pipe fittings (elbow, the three links), profiled products, chemical building material ...