1. Too much material at the bottom of the bottle  2. The pre-blowing time is…

يتعلم أكثر

1. Pre-blowing time is too early  2. Pre-blowing pressure is too high  3. Pre-blowing flow…

يتعلم أكثر

1. The temperature here is too high  2. The pre-blowing time is too late  3….

يتعلم أكثر

1. Excessive stretching  2. The temperature here is low  3. The pre-blowing time is too…

يتعلم أكثر

1. Check the gap between the stretch rod and the bottom mold, and verify it…

يتعلم أكثر

Axial stretch ratio: 2.4~2.6 Radial stretch ratio: 4~4.5 Total stretch ratio = axial x radial = 8~12…

يتعلم أكثر