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Industry Application

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Silicone gel for cable joint gel filling case

2025-03-07

A large number of connecting lines are required in the power supply system, and of course, there are also many connectors. In order to adapt to the underground environment, water seepage often occurs on rainy days, especially during floods, where the entire buried cable area is submerged. If the sealing effect is not good, it is easy to cause electric leakage, which has a significant impact on public safety. Therefore, it is of great significance to carry out waterproofing work at cable joints. A junction box is one of the electrical accessories, and the joint of wires is made of a junction box as a transition. The wire conduit is connected to the junction box, and the wires inside the conduit are connected in the junction box to protect and connect the wires. However, gluing cable junction boxes can achieve waterproof, sealing, corrosion resistance, high temperature resistance, anti-aging, high compressive strength, insulation and other effects.Cable joint protection box waterproof gel, SIGEL 3078 silicone gel is easy to make into various colors and shapes, also known as “shape memory waterproof gel”.SIGEL 3078 organic silicon gel is a transparent two-component self-healing organic silicon gel, which forms a special soft material with buffer and automatic recovery after curing. Used to isolate moisture and other harmful pollutants from contacting circuit boards, and provide insulation for high voltage. Another use is to provide stress relief to protect circuits and interconnects from high temperatures and mechanical stresses. Product Features:◇ High elongation rate; Excellent flexibility, eliminating mechanical stress◇ Extremely low oil leakage after curing, excellent resistance to poisoningExcellent high-temperature electrical insulation, providing protection for high voltageExcellent aging resistance and weather resistanceExcellent waterproof, anti-corrosion, moisture-proof, and chemical resistant properties◇ Can be used for semiconductor modules, connectors, sensors, etcLabel: junction box gel potting · junction box potting glue ·…

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Elaplus Wireless Earphones Integrated Adhesive Application Solution

2025-03-06

Wireless headphones have become an indispensable part of our daily lives, providing seamless connectivity and high-quality sound. However, in addition to stylish design and advanced audio technology, robust and reliable bonding solutions play a crucial role in ensuring durability, performance, and longevity.Adhesives are widely used to bond wireless earphones and charging cases, and to bond various components to withstand daily wear and tear.Below, we will provide a detailed introduction to the adhesive substrates and application requirements for key adhesive applications in headphones and charging cases.Speaker bonding and sealingRecommended product: PUR 1603 A/B fast curing polyurethane adhesive Machine dispensing or manual mixing is availableRapid curing at room temperature for 30 minutesStrong adhesion to various substratesHigh toughness and elasticityExcellent resistance to aging and chemicalsAdhesive substrates: copper, polycarbonate+glass fiber (PC+GF), aluminumApplication requirements: The speaker diaphragm and housing must be firmly bonded to prevent sound leakage and ensure optimal sound quality.Charging box magnet bonding Adhesive substrate: nickel plated magnet, PMMA (acrylic), PC (polycarbonate)Application: There is a small magnet inside the charging case, which helps to secure the earphones in place during charging.Adhesive between headphone speaker and FPC flexible circuit boardAdhesive substrate: Flexible Printed Circuit Board (FPC), metal contactsApplication: Adhesives should have excellent electrical insulation, heat resistance, and lightweight adhesion to maintain optimal signal transmission.Shell to shell bonding Adhesive substrates: polycarbonate (PC), acrylonitrile butadiene styrene (ABS), aluminum, glassApplication: The outer shell of the wireless earphone and charging case must be firmly bonded to protect the internal components from external impacts and improve the IPX level of the device.Recommended product: SIPC 1859 silicone adhesive sealant Excellent chemical resistance, low odor, good adhesionLow volatile matter not exceeding 500ppm, no corrosion or fogging in a sealed environmentResist moisture, dirt, and other atmospheric componentsReduce mechanical stress and tension caused by mechanical, thermal shock, and vibrationExcellent outdoor aging resistance, with…

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The key role of heat dissipation silicone grease in thermal management

2025-03-06

With the continuous improvement of electronic device performance, the heat generated by its internal components is also increasing. Especially in high-performance processors, graphics chips, LED lighting, power electronics and other applications, thermal management has become a key factor in equipment reliability and lifespan. In these applications, thermal grease plays a crucial role as an efficient thermal interface material. It can efficiently transfer the heat generated by electronic components to heat sinks or other cooling devices, ensuring the continuous and stable operation of equipment under high loads. This article will delve into the working principle, application advantages, and future development trends of heat dissipation silicone grease. 1、 Basic principle of heat dissipation silicone greaseThermal grease, also known as thermal grease or thermal paste, is a material with high thermal conductivity and low electrical conductivity, usually made by mixing silicone oil with thermal fillers (such as metal oxides, nitrides, etc.). Its main function is to fill subtle air gaps between electronic components and heat sinks to improve thermal conductivity efficiency. Although the surfaces of electronic components and heat sinks appear smooth, countless tiny irregularities can be seen under a microscope, which can lead to the formation of air gaps. Air is a poor conductor of heat, hindering the transfer of heat. Thermal grease fills these tiny gaps to minimize thermal resistance and improve the thermal management capability of the equipment.2、 Main characteristics of heat dissipation silicone greasehigh-thermal conductivityThe thermal conductive fillers contained in the heat dissipating silicone grease, such as aluminum oxide, zinc oxide, boron nitride, etc., have excellent thermal conductivity and can quickly transfer the heat generated by electronic components to the heat sink. Thermal conductivity is usually measured in W/m · K (watts per meter per Kelvin), and high-performance thermal grease can achieve a thermal conductivity of 3-7 W/m ·…

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Instrument battery flowmeter circuit board/power supply encapsulation

2025-03-05

In instruments such as flow meters, battery powered circuit boards need to work in complex environments for a long time, facing challenges such as moisture, dust, and vibration, and must be effectively sealed and protected. In order to ensure stability, the sealing material not only needs to have excellent protective performance, but also needs to meet the appearance requirements of transparency or semi transparency, and have a certain degree of adhesion with the metal shell.Core requirements for circuit board encapsulationThe working environment of instrument battery flow meters usually includes:High humidity – Water vapor may penetrate into the circuit, causing short circuits or corrosion;Vibration shock – mechanical shock may occur during equipment operation, affecting the stability of solder joints and electronic components;Outdoor weather resistance – materials must have good weather resistance when exposed to environmental factors such as ultraviolet radiation and temperature changes for a long time;Electrical insulation protection – prevents circuit board short circuits and improves system safety.Therefore, the ideal sealing material should have waterproof properties, appropriate adhesive strength, transparency, and excellent weather resistance. Encapsulation of instrument battery flowmeter circuit boardRecommended product: PUR 1635 A/B transparent light yellow polyurethane sealantPUR 1635 is a two-component solvent-free polyurethane material that can be cured at room temperature or by heating. After curing, it appears as a light yellow transparent color and is used in two-component sealing, filling, flame retardant 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. Both room temperature and heating curing are available, and it can be deeply cured with low heat release and low shrinkage rate during curing; After curing, it has excellent flexibility and good flame retardant effect.▶ Excellent low-temperature characteristics and outstanding…

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Application of Elaplus epoxy potting compound | Potting of washing machine sensor

2025-03-05

In today’s constantly upgrading and replacing home appliances, washing machines, as an important component of the home appliance market, have a direct impact on the stability and service life of the products due to the packaging process of their sensors. Traditional packaging materials often suffer from problems such as high curing temperature, large heat release, and high volume shrinkage rate, which can easily cause damage to electronic components or uneven encapsulation, thereby affecting product performance. Meanwhile, with the increasingly strict national environmental standards, many harmful components and high-energy curing methods in traditional adhesives are gradually not meeting market demand.Customer CaseA well-known home appliance manufacturer has put forward higher requirements for the packaging process of sensors in the development of a new generation of washing machines. Traditional epoxy adhesives suffer from excessive heat and uneven shrinkage during the curing process, leading to leakage and local stress concentration in packaged sensors, ultimately affecting the overall quality and reliability of the product.Glue demandTwo component epoxy, the color of the adhesive after curing is close to the color of the shell, naturally curing, meeting environmental protection requirementsRecommended product: EP 1702 white epoxy sealant EP 1702 is a two-component epoxy adhesive designed specifically for sealing sensors, electronic components, and circuit boards in washing machines. Its unique formula design allows it to complete the natural curing process at room temperature, which not only greatly reduces production energy consumption and equipment complexity, but also ensures safety and stability during the curing process. After curing, EP 1702 appears milky white, similar in color to the washing machine casing, ensuring a harmonious and unified overall appearance of the product and enhancing its grade.In addition to its successful application in the sealing of washing machine sensors, EP 1702 also has broad application prospects in other electronic component sealing and circuit…

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PU potting compound – high-performance protection and packaging solution

2025-03-05

Sealing and packaging technology plays a crucial role in modern industrial and electronic product manufacturing processes. PU sealant, as a new type of environmentally friendly and efficient sealing material, has gradually become the preferred material in the industry due to its excellent physical and chemical properties. This article will delve into the principles, characteristics, application areas, and construction precautions of PU sealant, helping readers to fully understand this product and providing strong reference for procurement and use. 1、 Introduction to PU potting compoundPU sealant is a polymer material based on polyurethane system, mainly used in electronic components, mechanical equipment, handicrafts and other fields that require protection and packaging. It forms a stable three-dimensional cross-linked network through chemical reactions, which not only effectively fills the gaps inside the product, but also has excellent corrosion resistance, waterproofing, shock resistance and other characteristics. In recent years, with the continuous upgrading of industrial technology, PU sealant has quickly occupied a place in the market. Its environmental friendliness and high-performance characteristics make it an ideal choice for many high-end projects.2、 Main characteristics of PU potting compound

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Epoxy potting compound | Thin layer potting of water meter signal module

2025-03-04

The selection of thin-layer sealing materials is crucial in the signal module protection of smart water meters. It not only needs to provide good sealing protection, but also needs to meet the requirements of rapid curing, flame retardancy, and temperature resistance to ensure stable operation of the water meter in different environments. EP 2025FR epoxy resin is an excellent solution for this application requirement. This article will delve into the requirements for thin-layer encapsulation of water meter signal modules and the product features and advantages of EP 2025FR. Key requirements for thin-layer sealing of water meter signal moduleThe water meter signal module is usually exposed to various outdoor environments, such as humidity, high temperature, low temperature, etc. Therefore, the sealing material needs to have the following characteristics:

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ElaPlus Potting Solution for Automotive filter

2025-03-04

Automotive Filter is one of the key components in automotive electronic systems, especially in modern cars, it undertakes important tasks such as suppressing electromagnetic interference (EMI), stabilizing power supply, and ensuring signal quality. With the rapid development of electric vehicles, autonomous driving technology, and intelligent connected vehicles, the requirements for in vehicle filters are also increasing. In order to cope with the complex electrical environment of automobiles, the design and packaging technology of filters, especially encapsulation technology, have become the key to improving their performance and durability. Why do car filters need to be sealed?As a precision electronic component, filters mainly achieve electromagnetic interference suppression through components such as inductors and capacitors. In car applications, filters often need to work stably in harsh environments such as high temperature, high humidity, vibration, and electrical noise. Therefore, the encapsulation process is crucial for filters, and the specific reasons include the following:▶ Enhance the ability to resist electromagnetic interference (EMI)▶ Improve high pressure resistance performance▶ Flame retardant protection▶ Improve durability and reliability▶ Enhance resistance to vibration and impactPractical application casesWhen designing car filters for the latest smart cars, customers are faced with the need for the filters to work stably in complex electromagnetic environments, and to have high voltage resistance, flame retardancy, and good durability. Through collaboration with our technical team, the client has decided to use PUR 1680 A/B for the sealing process of the filter. Car mounted filter encapsulationAfter testing, the sealed filter has demonstrated excellent performance in automotive applications, successfully passing multiple harsh environmental tests such as high temperature, high humidity, high pressure, and vibration, ensuring the stable operation and long-term durability of the electronic system. In addition, customers have also provided feedback that this solution greatly improves production efficiency and product consistency, reducing after-sales maintenance costs.Product Description and FeaturesPUR…

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Elaplus silicon gel encapsulation | submarine sonar optical fiber pipeline sealing

2025-02-27

Underwater sonar system is a technology used for ocean exploration, navigation, and communication, widely applied in military, scientific research, and commercial fields. It detects underwater objects such as submarines, schools of fish, or seabed terrain by emitting and receiving sound wave signals. Underwater sonar can not only be used for locating underwater objects, but also assist in studying the marine environment and bottom structures. Underwater sonar fibers utilize fiber optic transmission technology to enhance the data transmission capability of sonar systems, especially in deep-sea environments. Fiber optics can provide high bandwidth and anti-interference performance, which is a key part of ensuring clear and fast transmission of sonar signals. Fiber optic pipelines are commonly used to connect underwater sensors with ground equipment, ensuring stable signal transmission. Why does it need to be sealed?The working environment of submarine sonar fiber optic pipelines is extremely harsh, especially in deep-sea environments. Submarine pipelines must withstand water pressure, mechanical stress, and possible temperature changes. In addition, moisture and other pollutants in underwater environments may infiltrate the interior of pipelines, affecting the performance of optical fibers and even causing equipment damage.In order to ensure the stability and long-term operation of the system, it is necessary to fill the pipeline. This not only provides a sealing effect to prevent the intrusion of moisture or pollutants, but also enhances the mechanical strength of the pipeline, reducing the impact of vibration and external forces. Filling materials help maintain good performance of fiber optic pipelines and ensure efficient operation of the system. Requirements for filling glue in submarine sonar fiber optic pipelines:▶ Low density and floatability▶ Long operation time▶ Bending adaptability▶ Resistance to moisture and pollutants▶ High voltage insulation▶ It can freely fill 50-100m pipelines without cavities Recommended product: SIGEL 1806 A/B two-component dielectric insulating silicon gel▶ 1: 1 additive…

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