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Industry Application

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Elaplus Case Study of Industrial Power Source Encapsulation

2025-02-18

In modern industry, power equipment is widely used in various fields, including communication devices, transformers, control power supplies, ignition controllers, and electronic sensors. These devices typically require good protective performance to ensure long-term stable performance. As an important electrical protection method, encapsulation technology can not only enhance the mechanical strength of equipment, but also improve its ability to resist moisture, pollution, and vibration. Among numerous potting materials, PUR 1670A/B two-component solvent-free resin elastomer composite has become the preferred material in the field of industrial power potting due to its excellent performance advantages. Customer backgroundThe customer in this case is a leading manufacturer of power control modules, specializing in providing high-performance power solutions for industrial automation equipment, communication equipment, and high-end electronic sensors. Due to the stable supply of high-frequency and high-voltage currents involved in its products, it places extremely high demands on the reliability and safety of the power module. Especially in extreme environments such as temperature changes, moisture erosion, mechanical vibration, etc., the sealing and insulation of power equipment need to be effectively guaranteed.Solution: Use PUR 1670A/BAfter a detailed technical evaluation, the customer has decided to use PUR 1670A/B as the sealing material. PUR 1670A/B has a range of excellent properties, making it an ideal choice for industrial power potting.PUR 1670A/B is a two-component solvent-free room temperature or heat cured resin elastomer composite used in two-component sealing, filling, flame retardant, thermal conductivity and other fields. The raw materials are free of heavy metals, environmentally friendly, and have a wide range of process operability. The finished product has high physical properties and good adhesion to the substrate. It can be cured at room temperature or by heating, and can be deeply cured. The two-component mixture has good fluidity and excellent flexibility after curing. It is used for casting and sealing…

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Microwave Oven Bottom Plate Bonding Solution: High Temperature and Bonding Performance of SIPC 1856

2025-02-14

In the home appliance industry, microwave ovens are one of the daily kitchen equipment, and the stability and durability of their internal components directly affect the product’s service life and safety. Especially in the bonding process of the bottom plate of the microwave oven, it is required that the adhesive not only maintains a strong bond at high temperatures, but also adapts to the powder coating process on the surface of the microwave oven bottom plate.Microwave oven bottom plate bonding Case sharingWhen producing microwave ovens, customers face a tricky bonding problem: the bottom plate of the microwave oven needs to be treated with powder coating technology to improve its surface hardness and wear resistance. But after powder coating treatment, the surface of the bottom plate is very irregular and prone to oil stains, which makes traditional adhesive glue unable to provide sufficient bonding force.In addition, the internal temperature of the microwave oven is extremely high during use, and the bottom plate, as one of the supporting components, is exposed to high temperatures for a long time. The adhesive material must have strong high-temperature resistance. If the glue fails at high temperatures, it may cause the bottom plate to loosen or even fall off, affecting user safety.Therefore, customers urgently need a glue that can solve the problem of insufficient adhesion of powder coated parts and withstand high temperatures, to ensure that the bottom plate of the microwave oven is always firm and reliable during long-term use.SolutionAfter in-depth research and testing, ELAPLUS recommends using SIPC 1856, a black adhesive designed specifically for precision bonding in high-temperature environments. With a viscosity of 70000 CPS, it can provide strong adhesion on powder coated surfaces without sinking or deformation.RTV 1856 alcohol free silicone adhesive sealant is a neutral silicone sealing material that absorbs moisture from…

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Silicone sealant | Coating for coil wrapping of rotary transformer

2025-02-14

Rotary transformers, as electrical equipment with high precision and stability requirements, are widely used in various industrial automation and control systems. Especially in fields such as electric motor drive, robotics, aerospace, etc., rotary transformers have extremely high requirements for environmental adaptability. To ensure its stable operation under harsh conditions such as long-term, high temperature, high pressure, and vibration, coil wrapping and sealing treatment are crucial. Silicone sealant | Coating for coil wrapping of rotary transformerThe challenge of wrapping the coil of a rotary transformerThe coils of a rotary transformer typically require protection through encapsulation or coating to address the following challenges:High temperature environment: Transformers may experience temperatures above 150 ° C during operation, and it is required that the sealing material can work stably for a long time to prevent material aging and failure caused by temperature fluctuations.Good permeability and wrapping: In the coil wrapping of the rotary transformer, it is required that the sealant can effectively penetrate into the gaps between the coils, ensuring that there are no missed areas and providing uniform protection.Resistance to mechanical and thermal shock: Rotary transformers are often exposed to environments of vibration, shock, and thermal changes, so their sealing materials must be able to alleviate the stress caused by mechanical and thermal shock.SolutionRTV SIPC 1823 neutral dealcoholized silicone adhesive sealant is a flowable moisture absorbing cured silicone gel that forms a flexible rubber body after curing, fully complying with the EU ROHS directive requirements. During the curing process, alcohol substances are released, which are non corrosive to materials such as polycarbonate (PC) and copper. They have good adhesive and sealing properties for the vast majority of materials, protecting electronic products in a stable state under harsh conditions.The elastic material coated with RTV 1823 silicone adhesive sealant on the coil after curing has the…

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Application of adhesive sealant: case study on lead sealing of electric vehicle control box

2025-02-14

With the booming development of the electric vehicle (EV) industry, more and more electronic control units (ECUs) and electrical components are facing increasingly harsh working environments. These control boxes usually need to maintain a high degree of protection, especially the sealing of the lead parts, to prevent moisture, dust, or chemical substances from penetrating and to avoid damage to the electrical system. Therefore, selecting appropriate adhesive materials has become one of the key factors that electric vehicle manufacturers must consider when designing electrical control systems.Customer Case Study Sharing——Application: Lead sealing of electric vehicle control boxLead sealing of electric vehicle control box ——Glue Point: Sealing of Outward Line——Functional requirements: For wire harness wrapping and bonding, with good filling properties between small and parallel wire harnesses——Viscosity range: 30000-70000 cpsBased on the above requirements, Yilian SIPC 1823 high-performance silicone sealant has become an ideal solution for sealing the leads of electric vehicle control boxes due to its excellent adhesion, good filling properties, and suitable viscosity.RTV SIPC 1823 neutral dealcoholized silicone adhesive sealant is a flowable moisture absorbing cured silicone gel that forms a flexible rubber body after curing, fully complying with the EU ROHS directive requirements. During the curing process, alcohol substances are released, which are non corrosive to materials such as polycarbonate (PC) and copper. They have good adhesive and sealing properties for the vast majority of materials, protecting electronic products in a stable state under harsh conditions. The lead sealing RTV 1823 silicone adhesive sealant of the electric vehicle control box has the following characteristics after curing:✔ Single component, easy to use, short non stick time✔ Excellent chemical resistance✔ Resist moisture, dirt, and other atmospheric components✔ Reduce mechanical stress and tension caused by mechanical, thermal shock, and vibration✔ Excellent electrical insulation performance, anti corona✔ Excellent outdoor aging resistance, with a service…

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Elaplus PCB Terminal Sealing Solution

2025-02-12

In the production process of modern electronic products, PCB (printed circuit board) is one of the core components, especially in products that require long-term stable operation, the protection of wiring terminals and solder joints is particularly important. A certain electronic manufacturing company is facing severe challenges when producing PCBs for industrial equipment. Wiring terminals and solder joints are often exposed to harsh environments such as high temperatures, moisture, dust, and chemical corrosion. These environmental factors not only easily lead to circuit short circuits, corrosion, and solder joint damage, but also may cause product failures, thereby affecting the stability of the entire system and customer satisfaction.Especially in scenarios that require waterproofing and moisture resistance, traditional solder joint protection methods often fail to provide sufficient sealing and bonding strength, ultimately affecting the long-term service life of the product. Therefore, the company urgently needs a material solution that has excellent waterproof, moisture-proof, and corrosion-resistant properties, while effectively enhancing the strength of solder joints and protecting wiring terminals. Application: PCB terminal sealing caseAdhesive dots: waterproof sealing of plastic terminals, reinforcement and protection of solder jointsSealing solution for PCB wiring terminalsFunctional requirements: Flame retardant V-0, good adhesionViscosity range: high viscosity microfluidicsSolution: SIPC 1816 silicone adhesive sealantRTV SIPC 1816 ketoxime type silicone adhesive sealant is a neutral silicone sealing material that absorbs moisture from the air and solidifies at room temperature. The product is environmentally friendly and has been certified by ROHS, Reach, TSCA, and VOC. It has good adhesion and sealing performance for the vast majority of materials, protecting electronic products in a stable state under harsh conditions.The cured elastomer of RTV 1816 silicone adhesive sealant has the following characteristics:✔ Excellent chemical resistance✔ The adhesive layer is elastic, scrub resistant, and has good adhesion✔ Resist moisture, dirt, and other atmospheric components✔ Reduce mechanical stress and…

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Application of adhesive sealant | Sealing of resistor cavity

2025-02-12

Background and ChallengesThe stability of electronic components is crucial in high-temperature environments. A well-known electronic manufacturer is facing the challenge of sealing the resistor cavity when producing high-performance resistors. Traditional sealing materials are prone to aging at high temperatures, leading to seal failure and affecting product performance and lifespan.Application of adhesive sealant | Sealing of resistor cavity customer demandFunctional requirement: Temperature resistance up to 230 ℃, ensuring long-term stable operation in high-temperature environments.Viscosity range: 15000-25000 CPS, meeting the requirements for precise coating.Product SolutionsTo meet the high temperature sealing needs of customers, ELAPLUS recommends SIPC 1821 RTV neutral dealcoholized silicone adhesive sealant. This product has the following advantages:RTV SIPC 1821 neutral dealcoholized silicone adhesive sealant is a flowable moisture absorbing cured silicone gel that forms a flexible rubber body after curing, fully complying with the EU ROHS directive requirements. During the curing process, alcohol substances are released, which are non corrosive to materials such as polycarbonate (PC) and copper. They have good adhesive and sealing properties for the vast majority of materials, protecting electronic products in a stable state under harsh conditions. RTV SIPC 1821 silicone adhesive sealant cured elastomer has the following characteristics:✔ Single component, easy to use, short non stick time✔ Excellent chemical resistance✔ Resist moisture, dirt, and other atmospheric components✔ Reduce mechanical stress and tension caused by mechanical, thermal shock, and vibration✔ Excellent electrical insulation performance, anti corona✔ Excellent outdoor aging resistance, with a service life of up to 20-30 years✔ Stable mechanical and electrical performance between -60-260 ℃Elaplus SIPC 1821 RTV neutral dealcoholized silicone adhesive sealant has become an ideal choice for high-temperature sealing of electronic components due to its excellent high temperature resistance, environmental certification, and outstanding bonding performance. In the application of resistor cavity sealing, SIPC 1821 effectively solves the sealing challenge in high-temperature environments,…

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What is thermal conductive silicone grease? What are the characteristics and uses?

2025-02-11

Thermal grease helps transfer heat between hot components such as CPUs and GPUs and cooling devices (usually heat sinks). This article explores the important role of thermal grease, including its composition, characteristics, and how to use it to ensure good heat transfer. We will discuss different types of thermal grease, including silicone, metal, ceramic, carbon based, and liquid metal, and how each grease meets specific needs. This article also explains the correct method of applying thermal grease on CPUs to avoid common errors and misconceptions, demonstrating its extensive role in maintaining the stability and efficiency of electronic devices. How does thermal grease enhance thermal conductivity?Thermal grease, commonly known as thermal paste, plays an important role in controlling the heat of electronic devices. Its main function is to facilitate heat transfer from hotter components (such as CPUs or GPUs) to cooler components (such as heat sinks) by filling the air gaps between surfaces. At the molecular level, there are several mechanisms that can explain how thermal oils improve thermal conductivity:The surfaces of heat sources (such as CPUs) and heat sinks may appear smooth to the naked eye, but in reality, they are rough and uneven on a microscopic scale. These uneven areas will create small air gaps when in contact with the surface, which will hinder heat transfer as air is a poor conductor of heat. Thermal grease will fill these air gaps and replace air with materials with much higher thermal conductivity, thereby improving heat transfer efficiency. Thermal conductive grease is made by mixing basic materials such as silicone or synthetic oil with thermal conductive particles such as metal, ceramic, or carbon. These particles form a thermal conduction pathway network in the oil, allowing heat to propagate more efficiently than through the base material alone. This network improves the overall…

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High frequency sound channel sealing/cover shell sealing

2025-02-11

In modern electronic device manufacturing, high-frequency sound channel sealing and cover shell sealing are key links to ensure device performance and reliability. Organic silicone adhesive sealant has become an ideal choice in this field due to its excellent physical and chemical properties. This article will focus on the application of silicone adhesive sealant in high-frequency sound channel sealing/cover shell sealing, and discuss in detail the functional requirements, viscosity range, and specific model selection of Elaplus.High frequency sound channel sealing/cover shell sealing. Functional requirements(1) Smooth appearanceIn the sealing of high-frequency head channels and cover shell, a smooth appearance is an important functional requirement. Organic silicone adhesive sealant can form a uniform and smooth surface after curing, which not only improves the appearance quality of the product, but also helps prevent the accumulation of dust and impurities, thereby extending the service life of the equipment.(2) Low volatile matterLow volatile matter is another key functional requirement. Organic silicone adhesive sealant releases very little volatile matter during the curing process, which helps reduce environmental pollution and also avoids corrosion and damage to internal components of equipment.(3) 60 degree water bath has good air tightnessAir tightness is a crucial performance indicator in high-frequency head channel sealing and cover shell sealing. Organic silicone adhesive sealant can maintain good airtightness in a 60 degree water bath environment, ensuring stable operation of equipment in various harsh environments.Viscosity range(1) Semi fluidThe semi fluid state of silicone adhesive sealant has good fluidity, which can easily fill small gaps and complex geometric shapes, ensuring the uniformity and consistency of the sealing effect.(2) OintmentOrganic silicone adhesive sealant in paste state has high viscosity and strong adhesion, suitable for sealing occasions that require high mechanical strength and durability.Yilian model: SIPC 1859 silicone adhesive sealantRTV 1859 alcohol free silicone adhesive sealant is a neutral…

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Silicone adhesive sealant | Application of sensor cover sealing

2025-02-11

In today’s era of widespread application of intelligent and automated equipment, sensors are almost ubiquitous and undertake key tasks such as monitoring, feedback, and control. However, in complex environments, poor sealing of sensor cover plates can lead to performance degradation and even affect the reliability of the entire system. Therefore, how to choose the appropriate sealant has become a key concern for engineers. SIPC 1823 black silicone adhesive sealant is an ideal choice for sensor sealing due to its excellent performance. Adhesive application point: bonding and sealing between the outer shell and the upper coverFunctional requirements: Adhesive PBT, fast curing speedViscosity range: 25000-50000ppsRecommended models for Elaplus:SIPC 1823 black silicone adhesive sealant 30000cpRTV SIPC 1823 neutral dealcoholized silicone adhesive sealant is a flowable moisture absorbing cured silicone gel that forms a flexible rubber body after curing, fully complying with the EU ROHS directive requirements. During the curing process, alcohol substances are released, which are non corrosive to materials such as polycarbonate (PC) and copper. They have good adhesive and sealing properties for the vast majority of materials, protecting electronic products in a stable state under harsh conditions. The cured elastomer of RTV 1823 silicone adhesive sealant has the following characteristics:▶ Single component, easy to use, short non stick time▶ Excellent chemical resistance▶ Resist moisture, dirt, and other atmospheric components▶ Reduce mechanical stress and tension caused by mechanical, thermal shock, and vibration▶ Excellent electrical insulation performance, anti corona▶ Excellent outdoor aging resistance, with a service life of up to 20-30 years▶ Stable mechanical and electrical performance between -60-200 ℃application area▶ Sealing of LED lamps, sealing of plastic metal shells; PCB board components and wiring harness fixation▶ Exquisite electronic accessories, waterproof coatings for electrical and communication equipment▶ Small modules, optoelectronic displays, and circuit boards, with thin layer sealing below 6mm and leak sealing▶…

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