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There Are Skills In Choosing A Better Quality Cosmetic Tube



Cosmetic tube, as a convenient and economical packaging material, has been widely used and popularized in the field of daily chemical industry. A good rubber tube can not only protect the content, but also improve the product level, so as to win more consumers for daily chemical enterprises. So, for daily chemical companies, how to choose high-quality plastic tubes to adapt to their products?
We will introduce it from several important aspects.
The selection and quality of materials are the key to ensure the quality of the tube, which directly affects the processing and final use of the tube. The materials of plastic tube include polyethylene (for pipe body and pipe head), polypropylene (for pipe cap), color masterbatch, barrier resin, ink, varnish, etc. Therefore, the choice of any material will directly affect the quality of the tube. However, the choice of material also depends on hygienic requirements, barrier properties (oxygen resistance, water vapor resistance, fragrance preservation, etc.), chemical resistance and other factors.
Pipe material selection: First, the materials used should meet the relevant hygienic standards, and harmful substances such as heavy metals and fluorescent agents should be controlled within the specified range.


For example, for tubes exported to the United States, the polyethylene (PE) and polypropylene (PP) used should comply with the US Food and Drug Administration (FDA) standard 21cfr117.1520. Material barrier properties: The packaging of daily chemical companies contains products that are particularly sensitive to oxygen (such as some whitening cosmetics) or volatile products (such as essential oils or certain oils, acids, salts and other corrosive chemicals). A five-layer coextrusion tube was used.
Because the oxygen transmission rate of the five-layer co-extrusion pipe (PE adhesive resin EVOH adhesive resin PE) is 0.2-1.2 units, while the oxygen transmission rate of ordinary PE single-layer pipe is 150-300 units. In a certain period of time, the weight loss rate of the co-extruded tube is dozens of times lower than that of the single-layer tube.
In addition, EVOH is an ethylene-vinyl alcohol copolymer, which has excellent barrier properties and fragrance retention (thickness is preferably 15-20 microns).


Material stiffness: Daily chemical companies have different requirements for the stiffness of cosmetic tubes. How to obtain the required stiffness? LDPE, HDPE, and LLDPE are commonly used for tube. High-density polyethylene (HDPE) has better stiffness than low-density polyethylene (LDPE), and the desired stiffness can be achieved by adjusting the ratio of HDPE to LDPE.

We have been engaged in the cosmetic packaging industry for more than ten years and have rich experience in customization. If custom-made printed packaging services are required, please provide us with your requirements and designs in AI, CDR and PDF files.
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