How To Solve PET Bottle Transparency Issue In The Bottle Blowing Process

Many customers have asked why PET bottles with poor transparency. Here are the reasons and solutions.

Reason:

1. The heating temperature is too high.

2. The heating time is too long.

3. The compressed air contains moisture.

4. Preform problem. (you need find out the reason from the injection molding machine line)

5. The rationality of preform design

6. The inflation ratio is too small, the thickness of preform etc.

Solutions
1. To cool down
2. Shorten the heating time of the machine
3. Use a dryer to remove water
4. Improve the preform quality, select materials and improve the dryness of raw materials
5. Improve preform size design
6. Reduce preform diameter

Winiber, offers different range of PET bottle blowing machine, from 800BPH to 15000BPH. By the high quality product, the good sevice, cooperates sincerely with you.