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Problems to be considered in wholesale plastic cosmetic tube and cosmetic glass bottle packaging

2021-11-01

Nowadays, there is a lot cosmetic tube manufacturers supplying different cosmetic tubes for wholesale, today, we’re talking about how to choose plastic cosmetic tubes, what to take into account during sourcing for wholesale cosmetic tubes for makeup companies.

 

(1) When designing a compressed plastic cosmetic tube, when the material is high-density polyethylene and polypropylene, the cross-section of the plastic cosmetic tube is rectangular or oval, and the material is low-density polyethylene and other flexible plastic cosmetic tubes. Its cross section is made into a circle. Such content is squeezed out of the plastic cosmetic tube. Plastic cosmetic tubes and plastic parts are mainly cosmetic tube covers and sealers. The design of the plastic cosmetic tube port should be subject to key tests. How can the plastic cosmetic tube port be tightly closed with the cover and sealer to the bottom of the plastic cosmetic tube? This is the part with weak mechanical properties of the plastic cosmetic tube. Therefore, the bottom of the plastic cosmetic tube is generally designed like a concave shape. The position of the corners of the plastic cosmetic tube and the recesses inside are all too large arcs. Because the accumulation of plastic cosmetic tubes is convenient, the stability of the ceiling of the plastic cosmetic tube is increased, and the bottom of the plastic cosmetic tube has an internal groove.

 

(2) In the case of marking on the surface of the plastic cosmetic tube, flatten the reference sticker. A "frame" is designed on the surface of the plastic cosmetic tube to be positioned incorrectly without moving. When molding, the first contact part is likely to be the first hardened part. Therefore, the wall at that part will become thicker. The edge and the rotating part are type expansion, and the contact part will thicken the wall of the part. Therefore, the edges and corners of the plastic cosmetic tube are designed to be rounded. If the surface shape of the plastic cosmetic tube is changed, the part of the plastic cosmetic tube is relatively thinner, which can increase the grooves and ribs around the surface of the plastic cosmetic tube, and improve the rigidity and flexural resistance of the plastic cosmetic tube. By strengthening the longitudinal grooves or ribs, the long-term load, sagging or deformation of the plastic cosmetic tube can be removed.

 

(3) The printing surface of the plastic cosmetic tube is where consumers concentrate. The printing surface is flat and continuous; if the plastic cosmetic tube includes a steering wheel, grooves, ribs, etc., the design must be careful not to cause inconvenience to the printing operation. Although the oval plastic cosmetic tube is strong, the manufacturing cost of the mold is also high. Therefore, in order to ensure the rigidity of the plastic cosmetic tube, in addition to selecting high-rigidity materials, the plastic cosmetic tube's shape design is used to improve the rigidity and load-bearing strength of the plastic cosmetic tube.

 

(4) Many plastics have a notched texture. Therefore, plastic cosmetic tubes are prone to cracks and cracks at the front end, the screw root of the mouth, and the neck. Therefore, these parts are designed with rounded corners by the cosmetic tube manufacturer. For the intersection of the rectangular plastic cosmetic tube, in order to support most of the load of the plastic cosmetic tube, part of the wall will be thicker, which can improve the rigidity and load resistance of the plastic cosmetic tube.


Many people do not know how to choose when buying wholesale plastic cosmetic tubes. There are many styles. So what should be paid attention to when purchasing plastic cosmetic tubes? Let’s introduce the cosmetic tube manufacturer to everyone!

 

The plastic cosmetic tube has a uniform wall thickness and is the place where consumers' attention is concentrated. The printing surface should be smooth and continuous; if the liquid plastic cosmetic tube contains handles, grooves, ribs and other structures. When designing the printing surface of the plastic cosmetic tube, care should be taken not to cause any inconvenience to the printing operation. The label surface should be flat. A "frame" can be designed on the outside of the plastic cosmetic tube to make the label position accurately.

 

The plastic cosmetic tube does not move when the label is applied on the outside, for example, the middle part of the plastic cosmetic tube is relatively thin. Changing the outer shape of the plastic cosmetic tube and increasing the circumferential grooves or ribs on the outer surface of the plastic cosmetic tube can improve the rigidity and bending resistance of the plastic cosmetic tube. The longitudinal grooves or ribs can eliminate the deviation, sagging or deformation of the plastic cosmetic tube under temporary load; if the material is high-density polyethylene or polypropylene.

When the Cosmetic tube manufacturer designs extruded plastic cosmetic tubes, the cross section of the plastic cosmetic tube should be rectangular or oval. For low-density polyethylene or other flexible plastic cosmetic tubes, the cross-section should be round, which is convenient The loaded object is extruded from the plastic cosmetic tube. When blow molding, always tend to harden first. Therefore, the wall thickness of this part is also larger. The edge and corner part, the part where the parison is in contact with inflation, the wall thickness of this part is small.

    When using labels on the surface of the plastic cosmetic tube, make the label surface flat. Cosmetic tube supplier can design a "frame" on the surface of the plastic cosmetic tube, so that the label can be positioned accurately without movement. In blow molding, the part that the parison first contacts when inflated, always tends to harden first. Therefore, the wall thickness of this part is also larger. The edge and corner part is the part where the parison is inflated and then touched, and the wall thickness of this part is small. Therefore, the edges and corners of the plastic cosmetic tube should be designed with rounded corners. Changing the surface shape of the plastic cosmetic tube, for example, the middle part of the plastic cosmetic tube is relatively thin, and increasing the circumferential groove or rib on the surface of the plastic cosmetic tube can improve the rigidity and bending resistance of the plastic cosmetic tube. Longitudinal grooves or ribs can be used to offset, sag or deform the plastic cosmetic tube under long-term load.

     

    Plastic cosmetic tube packaging products have their own special advantages, and the form of packaging is therefore constantly changing. The original paper bag packaging, plastic bag packaging, and glass cosmetic bottle have developed to the current polyethylene plastic cosmetic tube, polypropylene cosmetic tube, and poly Ester cosmetic tube, aluminum plastic cosmetic tube packaging, aluminum cosmetic tube, pcr cosmetic tubes, sugarcane cosmetic tubes and other plastic cosmetic tubes or environmentally degradable cosmetic tube packaging forms, while steam hood packaging and strip composite film packaging will also become solid dosage forms The mainstream of packaging. At the same time, many issues such as environmental protection, stability, and health have also attracted much attention from all walks of life. In order to adapt to the changes in consumers' environmental awareness, cosmetic packaging companies have begun to carry out plastic cosmetic tube packaging, mainly recyclable green cosmetic packaging, environmentally regulated packaging, high barrier packaging, bacteria-free packaging, and clean packaging. With the continuous development and innovation of technology, plastic cosmetic tube packaging has made significant progress in the cosmetic packaging market in recent years. With the continuous changes in the packaging market and the continuous advancement of packaging technology, high-performance plastic packaging cosmetic tubes have gradually become products in the packaging market, boosting the packaging market to the future.


    With the continuous development and innovation of plastic cosmetic tube technology, in recent years, plastic cosmetic tube has begun to replace glass cosmetic bottles in the cosmetic packaging market. Glass cosmetic bottles have poor stability, are fragile and are not conducive to transportation, and consume a lot of energy. Plastic packaging instead of glass packaging is an inevitable trend for the packaging industry to develop towards lightness and direction. With the development of plastic packaging materials and processes, it is widely used in cosmetic packaging. The barrier properties of cosmetic packaging are required, and the other is to have high transparency like glass, so that consumers can directly see the product. At present, the products generally have problems such as short shelf life, poor toughness, and explosive bags. After decades of application, the glass cosmetic bottle has been abdicated to the plastic cosmetic tube. But they have a common weakness. They are all hard packaging containers, which requires the introduction of air during the infusion process to generate pressure to cause the droplets to come out, which increases the possibility of secondary pollution during the infusion process, especially in hospitals with a lot of bacteria. . The plastic packaging multi-layer co-extruded film infusion bag can better solve this problem. 


    Use gradepolyolefin multi-layer co-extrusion film is made of multi-layer polyolefin materials under clean conditions and melted and cross-linked at the same time. Adhesives and plasticizers are not used in the production process, and the cylindrical film is always kept in a closed state, which can avoid Pollution. This kind of membrane material has good light permeability, good elasticity, resistance to falling, and good barrier to water vapor, oxygen and nitrogen. It is suitable for filling various electrolyte infusion, nutrient infusion and recovery infusion, and does not contain chloride, after use The treatment does not affect the environment, which is the development direction of infusion packaging materials. That is to say, the plastic cosmetic tube plastic packaging is light weight, soft, less waste, small space occupation, low cost, and resource saving, so it is more competitive. In terms of PVC hard sheet or other material hard sheet, now the more commonly used cosmetic packaging material is polyvinyl chloride hard sheet. The cosmetic packaging is made of PVC material, which has good compatibility, is easy to form and seal, and is cheap. However, its thermal stability is poor, and its barrier to water vapor and oxygen is low. PVC/PVDC coated composite material is a material with better barrier properties. It can be used under high temperature and high humidity conditions, and other properties are similar to PVC.


    Cosmetic tube packaging materials occupies an important position in the entire packaging industry and are the basis for developing packaging technology, improving packaging quality and reducing packaging costs. Therefore, cosmetic tube manufacturer understands the performance, application range and development trend of packaging materials, selects packaging materials rationally, expands the source of packaging materials, adopts new packaging and processing, creates new environmentally friendly cosmetic packaging and packaging technology, and cosmetic tube factory improves the level of packaging technology. And management level are of great significance.

     

    These different post-processes can transform the glass cosmetic bottles into different cosmetic tube types and colors, so the glass cosmetic bottles can be suitable for various positioning needs. Therefore, more and more cosmetic manufacturers choose glass cosmetic bottles for packaging, and improve them through various post-processes, so that their glass cosmetic bottles can appear in front of the public in a variety of different images. However, these are in plastic cosmetic tubes. It's hard to reach. Even with the emergence of various cosmetic tube packaging materials, glass cosmetic bottles have always been based on their plasticity in various industries, which can meet the different needs of different customers. The advantages of glass cosmetic bottles are: clean and tasteless, good barrier properties, airtight, rich in raw materials, cheap, and beautiful in appearance. For a reputable cosmetic packaging manufacturer, the advantage of glass cosmetic bottles is that they can be recycled for multiple turnovers. use. As for the recycling of glass cosmetic bottles, it saves energy, reduces glass cosmetic bottle waste, and reduces the waste discharge of glass cosmetic bottle melting. There are currently several recycling methods for glass cosmetic bottles, including prototype reuse, recycling, raw material reuse, and transformation applications.


    Cosmetic packaging materials refer to materials used to meet product packaging requirements such as the manufacture of cosmetic packaging containers, packaging decoration, packaging printing, packaging and transportation. It includes major packaging materials such as metal cosmetic tubes, plastic cosmetic tubes, and cosmetic glass bottle composite materials. , It also includes auxiliary materials such as strapping, decoration, and printing materials. For example, glass cosmetic bottles have always been traditional packaging containers, and glass cosmetic bottles are a kind of packaging material with a long history. Even when a lot of packaging materials flood into the market, glass cosmetic bottle containers are not inferior in various industries, which has a great relationship with the plasticity of glass cosmetic bottles.

     

    In our lives, glass cosmetic bottles and plastic cosmetic tubes are commonly used. Among them, plastic cosmetic tubes have always been relied on to change the appearance of plastic cosmetic tubes by labeling. The difference is that glass cosmetic bottles can be made into a variety of different cosmetic tube types, such as regular, round, square, special-shaped, shank type, etc., and can also be processed in the later stage of the glass cosmetic bottle. There are many options, such as baking, spraying, frosting, printing and other processes.

    The plastic cosmetic tube is easy to carry, not afraid of falling, with acid and alkali resistance, easy to produce, and easy to recycle. Plastic cosmetic tubes are mainly made of materials such as polyethylene or polypropylene and added with a variety of solvents. Plastic cosmetic tubes widely use polyester (PET), polyethylene (PE), and polypropylene (PP) as raw materials. After adding the corresponding solvents, after high temperature heating, the cosmetic tube manufacturer uses plastic molds to blow molding, extrusion, and Or injection-molded plastic containers.


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