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Blow bottle essence? Why is the temperature of heating the bottle embryo controlled at 102- 1 15℃?

PET bottles have poor transparency.

The reason is:

1, heating temperature is too high.

2. The heating time is too long.

3. Compressed air contains moisture.

4. The syringe itself is opaque.

5. The design of embryo tube is not suitable.

Usage of bottle blank: as an intermediate product, it is not only simple to make, but also convenient for the molding of the final product and reduces the chance of waste products.