believe everyone knows that in the process of purchasing plastic packaging bags, customization has already become a popular choice for more people. After all, customized plastic packaging bags must be more in line with the requirements of merchants. However, many merchants often require packaging bag proofing before customization. Proofing refers to making several samples before formal mass production, confirming whether they are qualified, and then proceeding to mass production. So, under what circumstances should the packaging bag proofing be carried out first? Custom packaging bags need to be proofed first in the following three situations: 1. When the size (specification) and thickness of the plastic bag are not clear, it is best to ask the plastic bag manufacturer to make a sample, and then come back for a trial installation to avoid mistakes . Or you can send the product you want to pack to the plastic bag manufacturer. 2. Evaluation and proofreading may be required when it is not clear whether the material is suitable or not. After all, even bags of the same material produced by different plastic bag manufacturers may be different. Especially when you have higher requirements in this regard, such as transparency, hardness, etc. 3. When high printing effect is required, the plastic packaging bag can be proofed first. Of course, if you have other special requirements in addition to the above three situations when customizing plastic packaging bags, you can also consult the packaging bag manufacturer first to make a packaging bag proof to see the samples first. The above is the whole content of “”packaging bag proofing” if these three situations occur when customizing packaging bags, packaging bag proofing must be carried out first”.
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