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Advantages of injection molding silicone: 1. Labor saving 2. High output, short molding time, products can be produced in tens of seconds 3. Saving raw materials, high yield, less scrap, scrap scrap rate of about 5% Humans bring high quality of life What is compound rubber? Mixed rubber is also often called high temperature silicone rubber and HTV high temperature silicone rubber. It is made of high molecular weight vinyl raw rubber and mixed with silica powder. Its vulcanizing agent is generally double two or five. 24. They are all made of peroxides, which will contain a certain degree of toxicity, and will be gradually replaced by injection-molded silica gel in the future. Advantages of rubber compound:
1. What is the ratio of injection molding silicone? What is the viscosity that customers generally require? Answer: The common ratio of two-component A:B injection molding silicone is 1:1; and the 1:1 ratio is the best operation and injection. 2. The customer will require the hardness number (from 10° ~ 80°), and the viscosity is generally between (300,000 to 1.2 million) commonly used. 2. What are the parameters of injection molding silicone? Can the company provide written parameters? A: Tensile force, hardness, viscosity, elongation, compression deformation, resilience, tear strength, etc. 3. What problems do customers usually encounter in the process of using injection molding silicone? this
Silicone polymer materials have found a wide range of applications in the electronics industry, including in the fabrication of today's integrated circuits and as the constituent structures of entire devices. Polymers are widely used because of their ability to design and synthesize materials with the precise functionality and properties required for known uses. It is worth noting that polymer materials are used as lithographic imaging materials and dielectric, passivation and insulating materials, and to a large extent, the progress made by the device industry relies on the development of polymer materials technology. In just the past few decades, the cost of a typical integrated circuit (IC) component's beauty-in-feature has fallen by three
1. The reason why the pad printing silicone head is not durable? ① There is no problem with the pad printing silicone itself. The problem is that the silica gel is not well filtered, and there are impurities; or during the packaging process, the bucket or plastic bag is not scrubbed clean when manually repacking, which makes the pad printing silica gel head not durable. ② It has a lot to do with the amount of silicone oil added in the pad printing silicone. The more silicone oil is added, the softer the rubber head will be, because the silicone oil will destroy the weight of the silicone, resulting in non-durability and easy aging. ③ Silica gel application manufacturers do not understand the performance of pad printing silica gel. The service life of pad printing silica gel is closely related to the size of the pattern to be printed. Many factory supervisors are afraid of trouble,
Pad printing silicone is professionally used in the manufacture of pad printing heads. Using silica gel as a carrier to transfer the pattern on the steel plate to the product is called pad printing. There is an important component in the application of pad printing silicone, that is, the pad printing pad. The pad printing pad requires fine quality, no impurities, good oiling, good resilience, and clear pattern printing. Therefore, the production of high-quality pads Pad printing is especially important in pad printing. Next, we will briefly introduce the process and details of the mold opening process of the red leaf pad printing pad: the red leaf pad printing pad and the pad printing process can be divided into the following ten steps: Step one: choose a suitable pad printing head mold; why choose a suitable one
First of all, we need to understand what is two-component vulcanized silicone rubber. Two-component vulcanized silicone rubber is a common vulcanized silicone rubber, and its raw rubber is usually hydroxyl-terminated polydimethylsiloxane. The produced silicone rubber product is divided into two parts: the rubber compound and the catalyst. When using, it is only necessary to mix the rubber compound and the catalyst evenly in a certain proportion. Today we are talking about the ratio of this catalyst. Generally, the silica gel produced by the manufacturer will have a product description, telling you what the proportion of the catalyst is when using it. When we use it, we must follow the instructions for use, and we must be accurate when weighing
1. What should I do if there are many bubbles in the mold silicone during the mold opening process? This situation should be handled according to the conditions. Under the condition of a vacuum pump, the silica gel and the curing agent need to be stirred evenly and then vacuumized. If there is no vacuum machine, the amount of curing agent can be appropriately reduced for processing. For example, the ratio of original silica gel to curing agent is 4%, and now it can be changed to 1%-2%. In this way, the silicone glue connection time of the mold in the early stage will be slower, and the air in the mold will be slowly discharged to reduce air bubbles. 2. What should I do if the curing of the silicone mold is uneven after curing? This phenomenon is caused because 1. The ratio of silica gel to curing agent is not allowed
Sometimes the products produced by RTV silicone products manufacturers will become brittle and brittle, and they will break when pinched, which seriously affects our production efficiency. Even if these products can barely pass the QC test, their service life in the market cannot reach a reasonable time requirement. How do silicone product manufacturers control and prevent this phenomenon in the production process? 1. Problems in the production of room temperature vulcanized silica gel 1. Temperature and time The temperature and time during silica gel molding are too high and the time is too long, resulting in the product becoming brittle, and the secondary vulcanization ventilation is not good and the time is too long. 2. Problems with room temperature vulcanized silica gel
Infusion mold is a technical term in the mold making industry. When it comes to perfusion molds, let’s talk about mold manufacturing first. Mold making is a process of replicating the shape of a known thing by using a certain material to facilitate the reproduction of the original product. What we usually call mold making is mainly divided into two methods: perfusion mold and brush mold. We now take the silicone rubber injection mold as an example to introduce the operation and application fields of the injection mold. Operation method of silicone rubber injection mold: Like the production process of all molds, first of all, it is necessary to carry out certain treatment on the products that need to be molded. This treatment mainly includes cleaning, grinding, polishing, drying, etc.
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