Poor transparency of PET bottlesReason:1. Heating temperature is too high;2. Heating time is too long;3. Compressed air contains moisture;4. The injection molded embryo tube itself is not transparent;5. Inadequate embryo tube design; 6. The blowing ratio is too small.Troubleshooting:1. Cooling down;
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How to select suppliers for preform injection molding machines (China) ? Do we have to choose a well-known brand manufacturer?Firstly, choosing a large brand does provide corresponding guarantees, but not all buyers are suitable for this type of injection molding machine factory. For example, DAWSON