in order to ensure every mold meets it’s customer’s expectation. A typical mold usually has to go through a vigorous process of testing. The terminology, T1,T2, and T3,ect are often used to represent the sequence of mold tests, each test should be accompanied with a problem report and a mold modification instruction, which leads to more rework and re-issuing materials.
Therefore, mold testing is an expensive process and must be included in the quotation.