In the production process of ordinary bottles, especially non-pressure bottles, there is a higher requirement for reducing the acetaldehyde content. This is because non-pressure bottles are mainly used to hold pure water or mineral water with a lighter taste. Acetaldehyde is non-toxic, However, a very small amount of acetaldehyde can make the taste of water change and the hot-fill bottle is basically used to hold heavy beverages. A small amount of acetaldehyde does not affect its taste. In addition, acetaldehyde can be above 21 degrees Celsius. Volatilization is released. Under the premise of higher mold and preform temperature, a considerable amount of acetaldehyde will be volatilized.
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