Cosmetic tube oxygen barrier performance test

At present, there are many kinds of cosmetic packaging on the market. There are many kinds of plastic bottles, plastic boxes, plastic bags, plastic tubes, etc. for cosmetic tubes made of plastic materials. In recent years, with the increasing popularity of cosmetics, packaging has developed rapidly due to its advantages such as less use of raw materials and low cost. It has occupied the mainstream of the cosmetics packaging market and is mainly used in cleansing products, skin care products, and beauty salon products. At present, the commonly used plastic tubes in cosmetic packaging mainly include aluminum-plastic composite tubes, all-plastic composite tubes and plastic co-extruded tubes, which can meet various needs of cosmetic packaging. Undoubtedly, the primary function of cosmetic packaging is to protect the contents. The main ingredients of cosmetics are oils, water-soluble polymer compounds, and surfactants. As we all know, glycerin, protein, etc. are the material basis for the growth and reproduction of microorganisms, while oxygen and moisture are factors that affect the growth of microorganisms; the unsaturated bonds in oils are easily oxidized and cause rancidity and deterioration, and also produce peroxides, acids, and aldehydes. And other irritating substances, and emit a rancid smell. It can be seen that oxygen is the most important factor causing cosmetic deterioration. Therefore, cosmetic tubes need to have excellent gas barrier properties, which can effectively prevent the infiltration of oxygen and odorous gases, and at the same time prevent the leakage of the fragrance and effective ingredients of the contents. It can be seen that this standard only provides for the detection of the oxygen permeability of the sheet, and does not specify the oxygen permeability of the entire tube after the tube is made. Doesn鈥檛 it need to be tested? The answer is no. Because the overall sealing performance of cosmetic packaging and the oxygen permeation of the tube directly affect the storage life of cosmetics and the changes in the original properties of cosmetics, the oxygen barrier performance test of cosmetic tubes is an indicator that relevant companies must pay attention to and control. There are many cosmetic packaging forms, mainly including: plastic bottles of various shapes and specifications (generally undergoing exquisite decoration and printing), composite plastic bags (generally also undergoing decoration and printing, often used for economical bags of cosmetics or lower-grade cosmetics Packaging), glass bottles of various shapes and specifications (including wide-mouth bottles and narrow-mouth bottles, which are generally used for higher-end cosmetics or cosmetic packaging that is volatile, permeable, and contains organic solvents, such as nail polish, hair dye, perfume, Packaging for toner, etc.). For the above-mentioned various packaging forms, sometimes a way of cooperating with a color-printed carton is used to form a cosmetic sales package to improve the quality of cosmetics.