... where leakage might happen after a tank is molded, more consideration needs to be put into looking at sections where molded-in inserts ... molding has advantages in less tooling investment, small quantity, one piece molding, flexibility and hardness, free parting lines and etc. 80 ... meters in diameter or 5 meters in length, and the weight is up to 2.2 tons. Sincerely welcome your visit! Rotational mould ...