There are two main edges types of paper tubes, one with a round rolled edge, another with a smooth cut opening which without a rolling edge. Most people prefer to the paper tubes with round rolled edge opening, because it can’t see the cut edge looks more tidy and clean, the other benefit is the rolled edge won’t be easier scraped when putting on the cap, but the tube opening without a rolled edge is more often to be scraped by the cap. The advantage of the paper tubes without rolled edge is that it has the same wide diameter from opening to bottom inside, good for storage bottles without extra room to inside walls, it won’t cause shaking during shipment. As the rolled edge opening is smaller than the paper tube inner width, you should consider this when you select the proper edge types for your custom paper tube boxes to best fit your product properly.
The difference between rolled and unrolled edge of paper tubes. The unit price of these two edge treatment type paper tubes is quite similar, you can choose the best option for you according to your products.
Body without Rolled Edge
Body with Rolled Edge
There are too edge types of paper tube caps, one is the rolled edge cap, and the another one is the flat top paper tube. The flat cap will be expensive than the rolled edge paper tube, because there will be an extra mold cost for the flat cap on the paper tube.
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