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     Dongguan JiaJi Technology Co., Ltd. 

     Dongguan JiaJi Technology Co., Ltd. is the production of plastic balls, Hollow plastic ball,paint balls ,Pepperballs,dissolvable frac ball, of professional manufacturers, professional production of various specifications, all kinds of material plastic balls, Hollow plastic ballls, Paint ball,Pepper balls,Among them, the Paint balls and pepper balls are manufactured by advanced laser welding technology, with high strength and high precision.The company has imported a complete set of plastic balls, production and testing equipment, the company has a sound production management system to ensure product quality and maintain the leading position in the industry, the company Own-brand "Dragon Ball" Plastic balls have been exported to many countries and regions, well received by many domestic and foreign  enthusiasts respected and praise the company of "quality first, integrity first, mutual Mutual benefit and common development "principle, welcome customers to visit to discuss cooperation!

    Email: airsoftbbschina@gmail.com

    Whatsapp: +8613751002180

    Wechat: +8613751002180

    Skype:dongjishuang@yeah.net




  • Hollow plastic ball Hollow plastic ball

    1600500240287891.jpg  1600500346639596.jpg  1600500533587713.jpg  1600500566885749.jpg  1600500605671746.jpg                                      plastic ball                 pmma plastic ball           pom plastic ball              pa plastic ball                 pp plastic ball

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      peek plastic ball             ptfe plastic ball             Hollw plastic ball            plastic frac ball            dissolvable frac ball

  • pepperball china pepperball china

    PepperBall projectile is a patented chemical stimulant that is proven to be more effective at greater distances, providing protection and versatility in any situation. PepperBall projectiles are available in round and VXR versions, which can operate at almost any temperature from 150 feet away, with an area saturation of up to 50 meters. Each projectile is carefully designed to help protect you in the real world, so you can be confident that you have the tools you need to do your job effectively and return home safely.

    Our pepper balls are manufactured using the latest technology (not the ultrasonic technology used in the market). After being ground by a bearing steel grinder, they can achieve high precision. Our pepper balls will not be deformed and can be stored for more than three years at room temperature. .

    In addition to the production of pepper balls, we also produce training balls for police and military use. In addition, we can also produce paint marking bullets. Pepper training balls can be made into powder and liquid. The specifications are 0.43 inches, 0.50 inches, and 0.68 inches.


  • Plastic ball, hollow plastic ball Plastic ball, hollow plastic ball

    Plastic balls are collectively referred to as plastic floating balls, plastic hollow balls, and plastic solid balls. Plastic balls are now widely used in the market. Plastic balls have the characteristics of lower density than metal balls. Plastic balls of different plastic materials have different densities. Between 0.83 g/cm³-2.2g/cm³, corresponding plastic materials can be used to produce plastic balls according to different needs. Plastic floating balls include plastic hollow balls and plastic foam balls. The manufacturing process of plastic hollow balls is mainly divided into For the blow molding process and the welding process, the plastic hollow balls produced by the plastic welding process have the characteristics of high precision, good compressive strength, and multiple material choices. The plastic foam balls are basically not stable because of the unstable density and low yield rate. Being eliminated, there is also a biodegradable plastic ball among the plastic balls. The biodegradable plastic ball is mainly used in the field of oil extraction and used as a sealing ball in the underground oil production operation. This kind of plastic ball is called soluble fracturing. Plastic balls, after the fracturing operation is completed, the fracturing plastic balls can be degraded downhole by themselves and do not need to be drained back to the well, which improves oil production efficiency and reduces the cost of oil production operations. PA plastic balls are mainly used in the automotive field. Because PA plastic balls have the characteristics of oil resistance, high temperature resistance, high strength and good toughness, smooth surface and long service life. PP balls are mainly used in the fields of food and medicine. PP plastics are environmentally safe and safe. Therefore, they are widely used in the field of medical equipment and food processing. POM plastic balls have high hardness, smooth surface and good self-lubricating properties. They are more used in slide rails. Category products above.


  • Plastic ball types and various types of plastic ball simple process: Plastic ball types and various types of plastic ball simple process:

    Plastic ball types and various types of plastic ball simple process:

    Plastic Balls, Plastic Hollow Balls, Plastic Hole Balls, Plastic Jump Balls, Plastic Yo-Yo Balls, Plastic Foam Balls Balls, Plastic Level Balls, Plastic Fracturing Balls, Plastic Microspheres, Plastic Alloy Balls, Plastic Billiard Balls, Plastic Crystal Balls,  Plastic Night Balls, Plastic Laundry  Balls, plastic chemical balls, plastic plating balls, plastic paint balls, plastic fire balls, plastic BB balls, plastic slide balls, etc.

    There are the following processes for producing plastic balls:

    1. Plastic injection molding ball process production: The plastic ball mold is first processed into a plastic hair ball with an injection molding machine, and then the plastic ball is ground through a plastic grinding ball machine, mainly to remove the plastic batch ball batch wind and the mold clamping line. And processed into a certain accuracy, so that the plastic ball into a plastic precision ball.

    2. Plastic foam ball process production: The plastic raw materials and plastic foaming agent are mixed in a certain proportion, and then put into a special plastic foam injection molding machine for injection molding, foaming agent and plastic raw materials in the plastic foam injection molding machine heating up Simultaneously, a chemical foaming reaction is generated between each other, and then the foamed plastic raw material is injected into the plastic ball mold through a certain pressure and speed. After the melted plastic material enters the mold, it is solidified into a plastic ball and the mold is opened. Good plastic foam ball.

    3. Production of Plastic PVC Ball Glue Glue: Glue gluing machine is generally used for doll toy equipment. It is less used to produce plastic balls and plastic hollow balls. The first material used for plastic PVC ball is powder, and it is mixed with a certain proportion. The plasticizer puts the paste-like plastic liquid into the plastic PVC ball mold, then puts the plastic PVC mold into the silicone oven and can rotate on the 360-degree rotation bracket, and then makes the liquid by continuously heating. The plastic solution is solidified on the inner wall of the plastic PVC mold. After all the plastic liquid is completely solidified, the silicone oven is opened, the mold is taken out and put into water to cool. After the cooling is completed, the mold is opened to take out the plastic ball, which is the finished plastic PVC ball.

    4.Plastic ball casting process production: The material used for this type of plastic ball is phenolic resin or unsaturated resin, and it is mixed with solidified liquid. The curing liquid is the function similar to glue. After the resin is mixed with the curing liquid, The liquid is poured into the plastic ball mold, waiting for the liquid to solidify in the mold to complete curing. This kind of plastic ball process is relatively simple, but it has a certain influence on the environment and has a large irritating odor, so such a plastic ball factory needs Apply for a special production license.

    5. Plastic super ball rotomolding production process: plastic super ball can not be produced with conventional injection molding and blow molding process, because the product is too large, and the demand is not large, it is difficult to have a specific production equipment to match, so the use of rotomolding Process production, simply put, the plastic super ball mold has a 360-degree rolling and heating function, the first production of raw materials is plastic powder instead of granular plastic materials, put a certain weight of plastic powder in plastic super ball mold, and then The heating makes the mold rotate 360 degrees. As the temperature of the mold increases, the plastic powder in the mold begins to melt. Because the mold is heated, the plastic powder that is first melted is close to the inner wall of the plastic mold. When the plastic powder is located When melted and adhered to the inner wall of the mold, the plastic large ball is basically formed. After the mold is slowly cooled, the plastic ball is removed, and the plastic super ball is also produced.

    6. Blow molding process to produce plastic hollow balls: Small plastic hollow balls are basically produced by a plastic blow molding machine. The quantitative plastic material is melted and put into a plastic hollow ball horizontal tool. Then a plastic needle is inserted through a needle. Pressurized inflation is carried out. When the plastic material is fully inflated to fill the entire mold, the needle tube is withdrawn and the plastic hollow ball is cooled in the mold for 10 seconds. Then the mold is opened and the plastic hollow ball is also produced.


  • Hollow plastic ball Hollow plastic ball

    The manufacturing process of hollow plastic balls is much more complicated than that of solid plastic balls. The manufacturing methods of hollow plastic balls are as follows:

    1. Ordinary plastic hollow spheres are manufactured by blow molding process. The plastic hollow spheres produced by blow molding process are generally aimed at plastic hollow spheres with low quality requirements, and plastic hollow sphere products without special requirements for appearance and strength. Plastic hollow spheres have strong material selectivity. Only PP and PE materials can be used to produce plastic hollow spheres, and the thickness of plastic hollow spheres cannot be precisely controlled, and there is a phenomenon of uneven wall thickness of plastic hollow spheres. Blow-molded plastic hollow spheres are often used in fillers or plating solutions for covering applications.

    2. Plastic hollow spheres are manufactured by bonding technology: to make two plastic hollow hemispheres, the joints of the plastic hollow hemispheres should be buckled accordingly. First, apply glue to the buckles of the two plastic hemispheres, and then Buckle the two plastic hemispheres together and place them until the glue has solidified. The finished plastic hollow plastic ball is the finished plastic hollow plastic ball. The plastic ball produced by the gluing process is not strong, sensitive to temperature and easy to crack under high and low temperature conditions, so Practicality is not very strong.

    3. Manufacturing of plastic hollow sphere welding process: firstly, two plastic hemispheres must be manufactured. The difference from the plastic hemisphere used for gluing is that there is no need to buckle. First, the two hemispheres must be put into a set of welding molds. The joints will be thinner. Put the assembled molds in a special furnace for heating. When the plastics at the joints are melted and fused together, take the molds out to cool, and take out the hollow plastic balls to be semi-finished plastic hollow balls. After passing the semi-finished plastic hollow ball through a dedicated hollow plastic ball grinding machine, the seam of the processed precision hollow plastic ball is integrated with the rest of the plastic ball. There is no difference in strength, the wall thickness is the same, and the appearance is beautiful. It is also the best manufacturing method for precision plastic hollow balls.

    4. Ultrasonic welding process of plastic hollow ball: ultrasonic welding plastic hollow ball also uses two plastic hemispheres for ultrasonic welding, but the plastic hollow ball of ultrasonic welding needs to make the corresponding buckle of the two hemispheres in succession. During ultrasonic welding Two semicircular hollow plastic spheres should be buckled together first, and then placed under the ultrasonic machine for ultrasonic welding. The plastic hollow spheres for ultrasonic welding have very little material selection and can only be welded with hard plastics, and the welding strength is not high. , Ultrasonic welding technology is suitable for plastic hollow spheres that require strength.


  • Physical properties of PE plastic ball Physical properties of PE plastic ball

       Polyethylene plastic balls are thermoplastic resin balls with high fatigue resistance, chemical resistance and impact resistance. They have low density and can float on water. The price makes them, but the hardness is small and the impact resistance is not as good as nylon plastic balls.

    1. PE plastic ball has excellent wear resistance and tensile strength, crack resistance and corrosion resistance.

    2. The friction coefficient of the polyethylene plastic ball is very high, and the durability and low wear resistance play a very important role.

    3. PE plastic ball is resistant to chemical substances and oil resistance is not as good as PA plastic ball.

    4. PE plastic ball can play a role even at high temperature and low temperature, and has excellent chemical resistance and insulation.

    5. PE plastic ball has excellent water resistance and does not absorb water.

    6. PE plastic balls have excellent electrical properties, especially low dielectric loss and good electrical insulation, as well as good electrical insulation and oil resistance.

    7. PE plastic balls are sensitive to ultraviolet rays.

    8. PE plastic ball is cheap, easy to mold and has many uses.


  • PP plastic ball physical properties PP plastic ball physical properties

       PP plastic ball belongs to engineering plastic plastic ball, the strength and hardness are not as high as POM, but in terms of environmental protection, it is better than other materials.

    1. The specific gravity of the plastic ball: 0.8~0.92. Strong to acid and alkali.

    3. PP plastic has excellent resistance to water, steam and gas. There is no problem even in direct contact with food.

    4. PP plastic ball has excellent tensile strength, compressive strength and impact strength, and has a hard surface and is resistant to friction.

    5. PP plastic ball has good luster and can be colored with bright colors.

    6. PP plastic ball has excellent heat resistance and 120°C heat resistance temperature. Among thermoplastics, it is relatively expensive.

    7. The softening temperature of polypropylene is significantly higher than that of high-density polyethylene.

    8. PP plastic ball has poor heat resistance and poor weather resistance.

    9. PP plastic has little effect at low temperature.

    10. Large thermal expansion rate.

    11. When burning, it smells of oil.

    12. PP plastic ball can not be exposed to sunlight and heat for a long time, it will gradually deteriorate.


  • Plastic PP ball material properties and application market: Plastic PP ball material properties and application market:

    Plastic PP ball material properties and application market:

    Plastic PP ball is also called plastic polypropylene ball. PP material has the characteristics of light weight, environmental protection and safety, and low price. Therefore PP plastic is widely used. Plastic PP ball is the only plastic ball in plastic ball that can float on water, PP plastic. Balls are used in many fields such as food and drug machinery. They are mainly environmental protection and safety. In some water supply pipeline valves, plastic PP balls are basically used, and in some machinery and equipment are used to display the liquid level of liquid PP balls. As a plastic liquid level ball, it is generally used to make plastic PP balls into red plastic balls, which can clearly see the liquid level.

    Plastic PP ball production process:

    Plastic PP ball production is first to make a plastic ball mold, the size of the mold size, depends on the plastic PP ball size, that is, the diameter size, plus the actual shrinkage of the plastic ball in the standard size, plus the post-processing The processing allowance is generally 0.20mm larger than the blank ball size of the plastic PP ball produced by injection molding. The processed plastic blank ball must undergo manual priming and have a surface with a gas flow pattern. , grain pattern, shrinkage, variegated bad products are selected, and then go to the next process for grinding, the machine used for grinding is a special plastic ball grinding machine, first with a plastic ball grinding machine for grinding, then plastic ball Grinding machine grinding, after grinding out of the plastic ball precision can reach positive and negative 0.01mm, polished plastic ball after polishing is the finished plastic PP ball.


  • Plastic POM ball material characteristics and application areas: Plastic POM ball material characteristics and application areas:

    Plastic POM ball material characteristics and application areas:

    Plastic POM ball is also called plastic POM ball. Plastic POM ball has high hardness, smooth surface, good self-lubrication, good wear resistance, good mechanical performance, close strength to aluminum alloy, plastic POM ball is most widely used in furniture industry. ,Used as a plastic slide ball, no noise, no rust, the service life is longer than the steel ball, another use of plastic POM ball is used in the valve pipe, etc., for sealing purposes.

    Plastic POM ball production process: plating ball is mainly used in jewelry industry, plastic plating ball points plastic hole ball and plastic solid ball, requires the material is ABS high gloss plastic POM ball plastic ball mold and other plastic ball mold different, plastic POM Ball injection molding process, POM plastic will release acid gas, corrosion of plastic ball mold steel, so the production of plastic mold POM ball mold steel to be resistant to acid gas corrosion, plastic POM ball injection molding temperature can not be higher than 200 Degree, if it is higher than this temperature, plastic POM will produce a very strong pungent odor, so that people can not work in such an environment, the shrinkage rate of plastic POM ball is also high in other materials, so the production of mold Compared with other materials, the plastic ball mold cavity size should be large, that is, plastic POM ball is to use a special mold to produce, other plastic ball mold to produce plastic POM ball will reduce the life of the plastic ball mold.

    Plastic POM balls have a longer grinding time than other plastic balls. Because plastic POM balls have high hardness and wear-resistance, plastic POM balls have a part of plastic shrink balls when they are injected. This part of plastic shrink balls needs to be manually selected because This part of the plastic shrink ball mixed into the product after processing, and then rely on artificial selection to come out, it is almost impossible to achieve, so the plastic POM ball in the injection molding plastic POM blank ball must be selected on this part of the plastic ball, so that There will be no problem with plastic balls caused by shrinkage of plastic POM balls. bubble. The ball is mainly used in plastic


  • Degradable plastic ball production process: Degradable plastic ball production process:

    Degradable plastic ball production process:

    Degradable plastic pellets are mainly used in the cosmetics industry, but the traditional plastic pellets will cause great pollution to the environment. At present, it has been forbidden to use in foreign countries, instead of the traditional plastic pellets material plastic degradable pellets.

    The degradable plastic pellet production method is to pull the PLA plastic into a 0.05mm diameter wire using a plastic wire drawing machine. After the wire is cooled, the wire is cut and processed into 0.05mm long pellets, and then the plastic pellets. After polishing, the degraded plastic pellets after polishing are degradable plastic micro-beads. They are used in the cosmetics industry, and are environmentally safe. They have been certified by the US Food and Drug Administration as qualified and safe plastic microspheres. Currently, foreign giant cosmetics giants It has begun to switch traditional plastic microspheres into degradable plastic pellets. It is believed that degradable plastic pellets will be increasingly used in the cosmetics industry.


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