Product Issues and Solutions During Injection Mold Testing 1. Main Runner Adhesion ① Polish the main runner  →  ② Align the nozzle with the mold center  →  ③ Reduce the mold temperature  →  ④ Shorten the injection time  →  ⑤ Increase the cooling time  → ⑥ Check the nozzle heating ring  →  ⑦ Polish the mold … Read more