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  • The package of soft shell plush Bing Dwen Dwen clearly indicates that the shell material is

    News Aug 19, 2022

    The package of soft shell plush Bing Dwen Dwen clearly indicates that the shell material is "silicone rubber"
    The package of soft shell plush Bing Dwen Dwen clearly indicates that the shell material is "silicone rubber"   The manufacturing process of "Bing Dwen Dwen" silicone shell belongs to one of molding. Molding can be processed by solid or liquid production process. The raw material of the solid silica gel molding process is solid. After being mixed by a mixer, it is cut into materials of appropriate size and thickness and then put into a mold. It is molded under a certain temperature of a pressure molding machine; The raw material of liquid silicone molding process is injection molding liquid silicone rubber, and the curing equipment is injection molding machine.   The shape of Bing Dwen Dwen's ice shell is inspired by "sugar gourd". In actual production, silica gel material is used. The silica gel shell of "Bing Dwen Dwen" is large in size, which is different from other small products. The first mock examination can produce dozens of products. A set of "Bing Dwen Dwen" molds can only produce two silica gel shells at a time.   In addition, the manufacturing process of the shell of Bing Dwen Dwen is complex, and the requirements for fineness and cleanliness are also high. First, the mold must be cleaned and swabbed, then polished, and then the silica gel is placed on the mold and sent to the machine for molding. The demoulding process should be very fine, without any damage. After the completion, the Olympic rings and rainbow bars will be integrated into the products, and lovely Bing Dwen Dwen will be born in this way.  
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  • The multi-color and multi material injection molding technology of hard glue and hard glue,hard glue and soft glue

    News Jul 15, 2022

    The multi-color and multi material injection molding technology of hard glue and hard glue,hard glue and soft glue
    The multi-color and multi material injection molding technology of hard glue and hard glue, hard glue and soft glue is introduced in detail   1、 Introduction to multi-color / multi material injection molding technology Also known as multi-color injection molding process, it refers to the injection molding of two or more colors of materials or different materials through a mold with one or more channels. The first is represented by two-color injection molding, and our daily contact is also dominated by two-color products. For example, the handle of the toothbrush we use every morning and evening adopts two-color injection molding. The commonly used material of the handle is PP (hard glue) +tpe (soft glue). TPE is the best material to blend with PP glue, and the coating of soft glue is to improve the grip. With the increasing complexity of products, the demand for three or even four colors begins to emerge. Generally speaking, there are two types of tricolor machine, one is two position tricolor machine (commonly known as false tricolor), and the other is three position tricolor machine (commonly known as true tricolor). In fact, the difference between the two is not "true or false", but different turntable control methods according to the product structure design (two molds or three molds). "Two stations" as the name suggests, the rotary table is rotated and positioned in two positions, which is equivalent to the 180 degree rotary table control mode of the two-color machine. In other words, in the three groups of injection molding units of the two station three color machine, two groups are injected into the same mold at the same time. Therefore, if the boundary of two components in the product is not adjacent (it can be designed to inject in the same mold at the same time), only two molds are needed to produce three component products, then the two station three color machine is applicable. "Three stations" is different. The rotation of the turntable can be positioned at three positions (120 degrees). In other words, the three groups of injection molding units of the three position three color machine are injected into three molds respectively. Therefore, if the boundaries of the three components in the product are adjacent, the three position three color machine is applicable. Similarly, four-color machines can also be divided into "two station" and "multi station" four-color machines. From a technical point of view, the control accuracy of multi station turntable is significantly higher than that of two stations, so the production cost of the machine is also relatively high. Therefore, we should choose the most effective scheme according to the needs of product structure.     2. Working principle of two-color mold The two-color mold usually has two sets of molds, half of which are installed on the fixed mold fixing plate of the two-color injection molding machine, that is, the side with the injection gate, and the other half is i...
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  • Liquid silicone is widely used in the fields of electronics,machinery,medical treatment,automobile, etc. the research progress of addition liquid silicone rubber is introduced in this paper

    News Jun 09, 2022

    Liquid silicone is widely used in the fields of electronics,machinery,medical treatment,automobile, etc. the research progress of addition liquid silicone rubber is introduced in this paper
    Liquid silicone is widely used in the fields of electronics,machinery,medical treatment,automobile,etc. the research progress of addition liquid silicone rubber is introduced in this paper   Abstract: the advantages and applications of addition liquid silicone rubber were briefly described. By summarizing the main components of additive liquid silicone rubber, several additives used to modify the properties of additive liquid silicone rubber were introduced: adhesive additives, conductive additives, thermal conductive additives, flame retardants and special functional additives. The factors influencing the functionality of addition liquid silicone rubber were summarized. The new direction of addition curing liquid silicone rubber was introduced. Finally, the future research direction of addition liquid silicone rubber was prospected.   Key words: addition molding, liquid silicone rubber, composition, function, additive   1、 Overview of addition liquid silicone rubber The addition liquid silicone rubber is a kind of silicone material which can be crosslinked and vulcanized at room temperature or under heating in the presence of platinum catalyst, with polyorganosiloxane containing vinyl as the basic polymer and polyorganosiloxane containing Si-H bond as the crosslinking agent. Different from condensation type liquid silicone rubber, addition type liquid silicone rubber has no by-products during vulcanization, small shrinkage, deep vulcanization and no corrosion to contact materials. It has the advantages of wide applicable temperature range, excellent chemical resistance and weather resistance, and can be easily adhered to various surfaces. Therefore, compared with condensation type liquid silicone rubber, addition type liquid silicone rubber develops rapidly. At present, it has been more and more widely used in electronic and electrical appliances, machinery, construction, medical treatment, automobile and other fields.     2、 Main components of addition liquid silicone rubber   1. Basic polymer The basic polymers used as additive liquid silicone rubber mainly include the following two kinds of linear polysiloxane containing vinyl. Their molecular weight distribution is wide, generally from thousands to 100000 to 200000. The most commonly used basic polymer for addition liquid silicone rubber is α,ω- Divinylpolydimethylsiloxane. It is found that the molecular weight and vinyl content of the basic polymer can change the properties of liquid silicone rubber.   2. Crosslinking agent The crosslinking agent used for addition liquid silicone rubber is organic polysiloxane with more than 3 Si-H bonds in the molecule, such as linear methyl hydrogen polysiloxane containing Si-H group, cyclic methyl hydrogen polysiloxane and MQ resin containing Si-H group. The most commonly used are linear methyl hydrogen polysiloxanes with the following structures. It is found that the mechanical properties of silicone rubber...
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  • Where can silicone rubber products be used

    News May 26, 2022

    Where can silicone rubber products be used
    Where can silicone rubber products be used Silicone rubber not only has the advantages of non-toxic, high and low temperature resistance, but also has high plasticity. Today's silicone products are widely used in all walks of life, which brings us a lot of convenience. Therefore, the silica gel industry is in a period of rapid development. Understanding the relevant knowledge of silica gel products has become a compulsory course for many bosses and purchasers. Where can silicone rubber products be used     1、 Industry and manufacturing Silicone rubber has high plasticity. All kinds of industrial accessories can be mass produced through mold opening and customization. It is high in quality and low in price, and can meet various unique customization needs.   2、 Electronic accessories Most electronic keys will be made of silicone rubber, which is because the silicone rubber keys have the advantages of wear-resistant and good hand feeling, and the subsequent processing technologies such as radium carving and silk screen printing have been mature. In addition to the above advantages, silicone rubber can also achieve electromagnetic shielding, so silicone rubber will be used for wire, cable and microwave shielding.   3、 Protective sleeve, shell Silicone rubber is soft in texture and has certain anti falling protection function. Mobile phone protective cover and silicone rubber shell of instruments and equipment are common silicone rubber products.   4、 Dustproof and waterproof sealing Silicone rubber seals have good dustproof and waterproof performance, which can not only meet daily life and industrial production, but also occupy a place in aerospace, deep diving and other fields. It is no exaggeration to say that silicone rubber seals can go to the world.   5、 Food, daily use Silicone rubber is harmless to human body and can pass various food tests, so silicone rubber products begin to appear in our kitchen and living room, and will become more and more necessary products for our life in the future. Amazon Whiskey Cocktail Ball Round Sphere Ice Cube Mold   6、 Medical and health care Silicone rubber has unique physiological inertia and will not have adverse reactions with the human body. It can be used in the medical and health industry. The common ones are medical hose, respiratory mask and so on. Silicone rubber is also used in some sports health care products, such as fascia gun, cleanser and eye massage instrument.
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  • Silicone tableware customization manufacturers introduce the differences and common applications between food grade silicone and general silicone

    News May 20, 2022

    Silicone tableware customization manufacturers introduce the differences and common applications between food grade silicone and general silicone
    Silicone tableware customization manufacturers introduce the differences and common applications between food grade silicone and general silicone   With more and more attention paid to food safety and the epidemic has greatly changed people's eating habits, there are more and more silicone environmental protection tableware bags to replace disposable plastic products. Although we have constantly emphasized the non-toxic and safe characteristics of silicone in the previous articles, we will still use different ingredients according to specific product uses and relevant certification procedures. Today, let's talk about the difference between food grade silicone and ordinary silicone, and how to distinguish whether silicone is food grade or not.     What is food grade silicone? Is food grade silicone edible? Of course not! Once again, we emphasize the concept that silicone is indeed a safe, non-toxic and harmless raw material for human body. Even so, it can be divided into food grade and ordinary grade. Food grade silicone generally refers to all products that will come into contact with our diet, such as baby pacifiers, straws, food containers, tableware and so on. Ordinary grade silicone is generally used for industrial purposes and cannot be used in this kind of food related products.     Differences between food grade silicone and ordinary silicone Manufacturing method and procedure Imported raw materials are generally used for food grade silicone, and the quality has been determined at the beginning of raw material selection. Therefore, relevant quality inspection reports are indispensable when purchasing raw materials. This is not to say that the quality of ordinary silicone is not good, but that there are different application fields between the two. Ordinary silicone products are produced by mixing ordinary silicone, while food grade products with high quality requirements are made of food grade vapor phase adhesive. We know that silica is one of the main components of silicone, and the purity density of fumed silica is higher than that of ordinary silica, so it will be different in the finished products. However, the difference between the two is not big, mainly in the tensile strength. Food grade silicone has reinforcing effect on tensile properties, so there will be no whitening in the tensile process. Therefore, it is from this point that we want to preliminarily identify whether silicone products are food grade.     Component silicone for food is an inorganic polymer colloidal material made by polycondensation of silicic acid. It is non-toxic, tasteless and has stable chemical properties. Under normal conditions, it does not react with any acid, alkali or salt except caustic soda and hydrofluoric acid. It can withstand the high temperature of 220 ℃, so it can be put into the microwave oven and has no effect on the human body. Compared with other materials, it is safer and healthier. Food grade silicone...
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  • Why abandon metal tableware and use silicone tableware instead?

    News May 13, 2022

    Why abandon metal tableware and use silicone tableware instead?
    Why abandon metal tableware and use silicone tableware instead?   Today, I'll take you to explore the mystery of silicone tableware that is not known to the public:   1、 Safe, non-toxic and long service life In foreign countries, more and more families have abandoned metal tableware and turned to silicone tableware. One of the important reasons is the safety of silicone products. Traditional metal tableware is prone to high content of heavy metals due to its material characteristics, resulting in metal poisoning. At present, the emerging silicone tableware is a kind of tableware necessary for life in European and American countries. Its raw material food grade silicone is environmentally friendly and benefits from its own high chemical stability. It will not release poisons during use and will not conflict with kitchen food. Therefore, even if it is accidentally eaten, it will not affect health. Moreover, food grade silicone products have good anti-collision function and long service life. They can be used normally even in a variety of different environments such as high temperature and low temperature, and will not deform easily. Foreigners prefer silicone products to be used as anti-collision tableware for infants and young children, which is safe and durable.       2: Clean, sanitary and easy to clean In the process of long-term exploration of new materials, wooden and bamboo tableware were initially used in China to replace metal tableware. However, in the process of use, people found that wooden and bamboo tableware often accumulate dirt with the increase of use time, which is difficult to clean, and will inevitably become moldy and black. Therefore, food grade silicone products came into being. With its excellent water and oil repellency, silicone material can be free from oil adsorption and vinegar corrosion. It is quite convenient to clean, and there is no need to worry about liquid residue and mildew in the long run. However, silicone products in the market also have good or bad quality. It is best to choose products of large brands. For example, silicone products produced by silicone rubber products factory are made of food grade platinum silicone. The products have been tested by relevant national institutions to ensure product safety. Tip: the silicone products manufactured by YCS silicone rubber products factory can be directly put into the dishwasher and disinfection cabinet, making cleaning more time-saving and labor-saving.   3: Environmental protection and Sustainability With the development of silicone products in the 21st century, it has been quite mature in technology and product security. silicone products have become inseparable from people's lives in some mainstream developed countries abroad. This is not only a general trend abroad. Today, when environmental protection and sustainability become more important, food grade silicone, as a safe, non-toxic, odorless and sustainable environmental pr...
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  • What liquid silicone products can manufacturers produce?

    News Apr 27, 2022

    What liquid silicone products can manufacturers produce?
    What liquid silicone products can manufacturers produce? Let me introduce you one by one.   Liquid silicone is relative to solid high-temperature vulcanized silicone rubber. It is liquid rubber. It has good fluidity, fast vulcanization, more safety and environmental protection, and can fully meet the requirements of food grade. Liquid silicone products have excellent tear strength, resilience, yellowing resistance, thermal stability and heat aging resistance.   Liquid silicone products mainly fall into the following categories:   1、 Maternal and infant products: baby bottle, pacifier, baby spoon, children's toothbrush, milker accessories, etc;   2、 Medical supplies: medical silicone tube, silicone air bag, protective cover or shell of medical equipment, sealing accessories of medical equipment, etc;   3、 Auto parts: silicone connector, silicone tube, silicone sealing ring, gasket, etc;   4、 Electronic equipment: waterproof silicone sealing parts of electronic equipment, silicone protective sleeve, protective shell, etc;   5、 Industrial manufacturing: silicone sealing ring, gasket, special-shaped silicone hose, etc. The above is the main application fields of liquid silicone products at present. At present, liquid silicone has just begun to popularize, and the cost of raw materials and equipment is higher than that of solid silicone. There are not many manufacturers that can produce liquid silicone products. However, liquid silicone products have many excellent properties and very good product appearance and feel, which is the mainstream direction of the development of silicone rubber industry in the future.
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  • Explain the key points of liquid silica gel mold processing and production

    News Apr 14, 2022

    Explain the key points of liquid silica gel mold processing and production
    Explain the key points of liquid silica gel mold processing and production   As shown in the figure, it is a liquid silica gel injection mold. The molding product is a medical liquid silica gel airbag product. The characteristics of the mold are as follows:   1. The product is high-precision injection molding of silica gel airbag for medical use, and the hardness of the product is 45 degrees 2. The mold adopts 6 groups of electric heating and independent control to ensure uniform mold temperature; 3. Vacuum pumping technology is adopted to accelerate the discharge of air in the mold cavity to prevent gas trapping, lack of glue and poor performance; 4. The runner system adopts the technology of cold runner + latent hot runner 5. The parting surface is sealed with rubber rings to prevent air from entering the mold cavity during vacuum pumping   Overview of liquid silica gel injection molding: 1. Liquid silica gel Liquid silicone rubber is a kind of flexible thermosetting material with non toxicity, heat resistance and high recovery. Its sulfur change behavior is mainly characterized by low viscosity, rapid curing, shear thinning and high coefficient of thermal expansion. LSR is a double liquid rapid vulcanization material with platinum as catalyst. It can be produced by injection molding, mass, rapid vulcanization and repetitive machinery. Its products have good thermal stability, cold resistance, physiological inertia, excellent electrical insulation performance, and will not produce toxic substances during combustion. Therefore, it has been widely used in the production and design of medical products, baby products, automobile manufacturing, food industry and electronic products, diving products, kitchen appliances and precision waterproof seals, and has become an irreplaceable material.   2. Injection molding characteristics of liquid silica gel: Liquid silicone rubber is divided into a glue and B glue. The ratio of the two is controlled to be 1:1 by the quantitative device, and then fully mixed through the static mixer, pumped into the barrel of the injection molding machine, and then carried out injection molding production. Due to the low viscosity of liquid silicone rubber, the backflow and leakage of materials should be considered in the processing process. Therefore, there are high requirements for the check ring of the screw to ensure that the amount of liquid silicone injected into the mold is accurate and there will be no sharp edge. There are high requirements for the sealing position of the mold. The typical exhaust slot is generally 1 ~ 3mm wide and 0.o04 ~ o.oo5 mm deep. It is best to install a vacuum structure in the mold to ensure that the air in the mold cavity is discharged in time. It is required to adjust the appropriate fluidization time and mold temperature for the process parameters to ensure that the product can be completely cured and free from deformation. Generally, it is not necessary to maintain th...
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  • New

    News Mar 10, 2022

    New "dumpling mould"
    New "dumpling mould" With the continuous progress of science and technology, all kinds of new tools are used in our life. Take our food for example, there is a cooking artifact that is quite in place. This artifact can not only cook rice, but also steam ribs and eggs, which fully meets the needs of ordinary otaku men, which is also the gospel of renters. Recently, another artifact has attracted people's attention, that is the new "dumpling mold". Whether you can make dumplings or not, this tool can be used conveniently and quickly without dirty hands.     When it comes to making dumplings, that's a lot of learning. In terms of technique, different lines are exquisite. However, the birth of this "dumpling mold" has greatly reduced the threshold of making dumplings. It is very simple to use. First, put the dumpling skin in the mold and spread it out into the most comfortable shape. Then, place the meat filling in it. Finally, with our hands that eat goods, gently pinch it and it's done. The whole process takes no more than 10 seconds, and the size and shape of each dumpling have reached the level of the master. Some people may say that the speed is too slow, but think about it carefully. This kind of mold should be used for novices. Who is a good dumpling maker? So it's very powerful for novices to make a good-looking dumpling in 10 seconds.
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