Reasons and treatment methods for whitening of PET bottle embryo bottom
Cause analysis:
| 1. Insufficient drying of raw materials |
| 2. The temperature of the mold diversion channel is too low |
| 3. Insufficient cooling of the mold cavity |
| 4. Adhesive glue looseness too low |
| 5. The injection speed is too low |
resolvent:
| 1. Check if the drying hopper is functioning properly, increase the drying temperature appropriately, and extend the drying time |
| 2. Appropriately increase the temperature of the mold diversion channel |
| 3. Check if the cooling water in the mold cavity is flowing smoothly |
| 4. Adjust the looseness appropriately |
| 5. Increase the injection speed |