The trial runs between SAN 51 and competitor's material were done by customer on M/C no. 9 totally 3 days. The tested lot no. of SAN 51 is 15P15C205E. The results are showed on Table no. 1. lt was found reject rate due to cracks produced by SAN51 (0.97%l was more than Competitor's material (0.069%l; however loosed mold thread problem on SAN51 was
less than competitor's material. Hence customer would like Styrolution to focus only on crack problem.