The company POLOPLAST comes into being in 1954 – 1956 Takeover of POLOPLAST by Durit Werke Kern & C, together with Hatschek. Each hold 50%. Since then, the company’s name has been POLOPLAST and it has produced PVC pressure pipes. In 1957 POLO-KAL. The original. POLO-KAL by POLOPLAST becomes the new….