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Improve The Stiffness And Load Resistance Of Cosmetic Tubes
Aug 13, 2019

The printed surface of the cosmetic tube is the most concentrated part of the consumer's attention. The printing surface should be flat and continuous; if the cosmetic tube contains handles, grooves, ribs and other structures, care should be taken not to cause inconvenience to the printing operation. The oval cosmetic tube has a higher rigidity, but the manufacturing cost of the mold is higher. Therefore, in order to ensure the rigidity of the cosmetic tube, in addition to selecting a material with high rigidity, the shape of the cosmetic tube is designed to enhance the rigidity and load resistance of the cosmetic tube.

Since most plastics have notch sensitivity, the cosmetic tube is prone to cracks and cracks at the sharp corners, the roots of the mouth threads, the neck, etc., so these parts should be designed to be rounded. For the transfer of the rectangular cosmetic tube, it is necessary to support most of the load of the cosmetic tube, so locally increasing the wall thickness at that place is also advantageous for improving the rigidity and load resistance of the cosmetic tube.

If the material is high-density polyethylene or polypropylene, the cross-section of the cosmetic tube should be rectangular or elliptical. For low-density polyethylene or other flexible cosmetic tubes, the cross-section is preferably round. This facilitates the extrusion of the contents from the cosmetic tube.

facial cleansing round tubes packaging (2)

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