What's the difference between a paper can and a paper tube?

Paper tube A paper tube which can hold various forms of cylindrical paper consists of a back plate, a stopper and a sleeve. A chute is arranged between the movable backboard and the fixed backboard, and a spring is fixed on the unconnected side. The stopper rod is arranged at the outer side of the movable backboard, the sleeve is installed on the fixed backboard, and one side connected with the movable backboard is open. The cover tube has a paper outlet, which is convenient to use, simple in structure, low in installation cost and not easy to be damaged. Paper cans, also known as paper tubes and paper cans, are round packaging products integrating metal, paper and plastic, which are usually divided into spiral and rewinding types. Paper cans are mainly made of paper, so they are easy to recycle. Excellent protective performance, waterproof and moisture-proof, and has a certain heat insulation effect; Odorless and nontoxic, safe and reliable, especially suitable for food packaging; Can be used for filling goods with various shapes, and has low noise when filling; The modeling structure is diverse, the outer layer can be color printed, and the display effect is good; Light weight, only 30% of iron cans, easy circulation, convenient use and low price.