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5 Requirements For Cosmetic Bottle Packaging Customers
Zhejiang Cosme Packaging Co.,Ltd | Updated: Mar 25, 2018

Cosmetic packaging is more complex, including first-level packaging, second- or third-tier packaging, and outer-transport packaging. There are many types of first-level packaging, including bottles (such as plastic bottles and glass bottles), hoses (such as plastic hoses, composite hoses, metal hoses), and bags (such as paper bags, plastic bags, and composite bags). The second or third-tier packaging category includes boxes (such as paper boxes, plastic boxes, metal boxes), labels, plastics, etc.; outer transport packaging, including buffer packaging.

The appearance of different levels of packaging requires commonality, but also its inherent specialities. The commonality of appearance requirements includes that the packaging printing pattern and writing should be neat, clear, and not easy to fall off, and the color should be uniform. The specificity of the appearance requirements varies according to the different types of packaging.

For bottle packaging, it is required that the bottle body should be smooth, smooth, uniform in thickness, free from obvious scars and deformation, and should not have cold bursts and cracks; the bottle mouth should be straight and smooth, there should be no burrs (hairs), threads, bayonet The mating structure should be intact and correct; the fit of the bottle and cap should be tight, there should be no slipping, loosening and leakage; the inside and outside of the bottle should be kept clean.

For bag packaging, it is required that it should not have obvious wrinkles, scratches, air bubbles, and the color should be uniform; the seal should be firm and there should be no opening, perforation, leakage (paste) phenomenon; composite bag should be composite and firm, coating layer Uniform, no shedding.

Material requirements

In order to achieve sustainable development of packaging, bio-based biodegradable materials have emerged and become a hot topic in the industry. Bio-based biodegradable materials refer to a new class of materials that are made from renewable materials, such as crops, trees, other plants and their residues and inclusions, through biological, chemical and physical methods.

Products made from bio-based degradable materials are generally green, environmentally friendly, renewable raw materials, and biodegradable at one level.

At present, major companies such as DuPont and BASF in Germany are actively expanding their biobased chemicals business. As a packaging developer for a cosmetic manufacturing company, the author hopes that biodegradable materials can be used in cosmetic packaging in the future to promote the sustainable development of cosmetic packaging.

Structural design requirements

For cosmetics, the first layer of packaging is very important and directly related to product quality. The first layer of cosmetic packaging is mostly plastic containers. The structural design of plastic containers can not be separated from the choice of materials and molding process. The commonly used plastic materials can be classified into two types of soft and rigid materials from the texture: a typical soft material represented by PE and PP, and a typical hard material represented by ABS, PMMA, and the like.

The common molding processes for plastic containers include injection molding, blow molding, injection blow molding, etc. However, no matter which molding process is selected, the design and capacity design of the plastic container is crucial.

Seal design

Product sealing is a mandatory quality standard for the cosmetics industry. Generally, gasket sealing and quality (gross weight), volume, production date and shelf life, or production lot number and limited period of use date are selected, and the labeling and packaging of GB/T191-2008 are selected. The logos in the logos should be clearly marked, complete and in a proper position.

2. Capacity design

There are two general forms of capacity marking: one is the product in which the contents do not flow under normal temperature conditions in terms of weight (g, kg), and the other is the volume of product in which the contents can flow under normal temperature conditions (ml L) is a unit.

For products in which the contents can flow, when the weight (g) is used, it is necessary to convert the weight of the required contents into volume units, volume (ml) = weight (g)/product density. This is because after the packaging container is molded, its inner cavity space is most conveniently and accurately detected with standard distilled water.

When designing the packaging container capacity, taking into account the time and temperature, the preparation and filling, as well as its own viscosity and other factors caused by changes in the volume and shape of the packaging, so the appropriate space should be left in the design of the packaging container full mouth capacity.

Regulatory and standard requirements

Full understanding of the relevant regulations and standards for cosmetic packaging is the premise and basis for a good cosmetic packaging design. For example, in the "Measures for the Supervision and Administration of Quantitative Packaged Commodity Measurements" No. 75 issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, the net content of products is stipulated clearly: for quantitatively packaged goods with large changes in net content due to changes in water content, etc. Producers should take measures to ensure that the net content of goods is accurate under the specified conditions.

Therefore, we must compensate for these changes in consideration of the fact that powder products will be smaller in size over time, and that water products will lose weight over time. This should be taken into account when designing transparent packaging capacity.

At the same time, cosmetics manufacturers should also know in a timely manner the laws, regulations, and standards of national, local, and corporate-related products, such as the Regulations for the Administration of Cosmetics Marking and the Regulations for the Supervision of Cosmetics Hygiene, etc., to ensure that cosmetic packaging meets the relevant regulations of laws and standards. . Filling production requirements

On-line filling is actually to inspect whether the packaging design is perfect and whether the container production quality is qualified. Because in the preparation and filling process, the content or the material body will be caused by the stirring and the impact between materials and produce bubbles and foam, resulting in volume changes.

For example, gel products have a high viscosity and will introduce a lot of air during the mixing process, which will cause a large amount of air bubbles to be stored in the semifinished products, affecting the volume of the product. Shampoo products have inherent foaming agent components and will be present in the filling process. Due to the high-speed impact, a large amount of foam floats on the surface of the material, thereby increasing the space required for the container; the viscosity of the cream product is high, and the surface of the cream on the surface of the cream will have a conical process after filling. Leveling, if the product combination is completed at this time, the cream body will come into contact with the sealing sheet, which will not only affect the appearance of the combined product, but also cause secondary contamination of the product. Therefore, when designing the capacity of such products, these phenomena should be fully considered.

In addition, during the scale production process, the packaging assembly components are required to be adapted to operate on a high-speed assembly line; the requirements for labels, printing patterns and lot numbers on the surface of the container can tolerate the friction caused during the high-speed conveying process; the container structure is required during the high-speed conveying process. The state of stability is maintained and dumping cannot occur. Otherwise, the normal operation of the packaging process, the labor intensity of the operators, and the economic benefits of the enterprise will be directly affected.

Zhejiang Cosme Packaging Co.,Ltd