• Technology For Bottle Blowing
    Technology For Bottle Blowing

2. Why is the bottle partially whitish? 

1. Excessive stretching2. The temperature here is low3. The pre-blowing time is too early4. The temp···

　

1. Excessive stretching 

2. The temperature here is low 

3. The pre-blowing time is too early 

4. The temperature here is too high, causing local crystallization (white and opaque)

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