Intro-Tec has been providing the #1 German engineered purging compound CORATEX to North America for over 45 years. CORATEX purges, barrels, screws, heads and dies of extruders as well as nozzles and hot runner tooling while under operating conditions. CORATEX allows for fast change over of materials and/or colors and eliminates stubborn contamination and oxidation all while being an effective low cost purging solution.