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Industry Application

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Successful application of RTV SIPC 1816 in FDA sealing of kitchen pot lids

2025-02-11

1、 Case backgroundA well-known kitchenware brand faced an important challenge when launching a new kitchen lid: how to achieve efficient bonding and sealing between glass and stainless steel while meeting food safety standards (FDA requirements). This pot lid design requires a small bonding area, high construction accuracy, and excellent weather resistance and chemical resistance to adapt to the working environment of high temperature, humidity, and the presence of various chemicals in the kitchen.Kitchen lid sealing. 2、 Customer needs and challengesIn this project, the client mainly focuses on the following points:Food grade safetyDue to the direct contact of the product with food, the sealant must comply with FDA standards and meet environmental certification requirements such as ROHS, REACH, TSCA, and VOC to ensure health and safety during use.Material adhesionThe product involves the bonding of two substrates, glass and stainless steel, requiring the sealant to form a firm and stable bonding interface between different materials.Construction accuracyDue to the small bonding area and complex shape, high precision is required for dispensing. The sealant needs to have excellent thixotropy to ensure that the head and tail are fused without obvious breakage or defects during the dispensing process.Long term stabilityConsidering the particularity of the kitchen environment, after curing, the sealant should maintain good mechanical and electrical properties within the temperature range of -60 ℃ to 260 ℃, and have the characteristics of moisture resistance, chemical resistance, pollution resistance and aging resistance to ensure that the service life of the product can reach 20-30 years.Recommended model: SIPC 1816 gray 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…

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Application of silicon adhesive sealant | Sealing of slip ring motor welding plate and lead wire sealing

2025-02-11

Slip ring motors are widely used in automation equipment, wind power generation, medical instruments, and other fields. Their stable operation relies on efficient solder plate sealing and lead wire sealing. The selection of sealing materials is crucial as motors are subjected to high temperatures during operation and may be affected by external environments such as dust, moisture, and vibration. Therefore, it is important to select the right sealing material. customer demandA certain motor manufacturer encountered the following technical challenges while producing slip ring motors:Sealing requirements: Ensure the reliability of welding plate sealing and lead sealing, prevent external pollutants from entering, and ensure long-term stable operation of the motor.High temperature resistance: The temperature of the motor may reach 150 ℃ during operation, so the sealing material needs to have excellent temperature resistance.Curing speed: Production efficiency requires the sealant to cure quickly to improve assembly efficiency.Suitable viscosity range: The sealant needs to have moderate fluidity, be easy to apply, and not sag.Solution Sealing of welding plates and sealing of leads for slip ring motorsFor the needs of this customer, we recommend using BaiGao SIPC 1821 (black, viscosity 25000 CPS) or SIPC 1823 (white, viscosity 35000 CPS) silicone adhesive sealant. These two products have 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. RTV SIPC 1821 silicone adhesive sealant has good bonding and sealing properties for the vast majority of materials. The 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…

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Case Study of Thin Layer Coating of Strain Gauge for Weighing Sensor

2025-02-06

backgroundWeighing sensors are widely used in industrial, commercial, and medical equipment, especially in high-precision weighing and dynamic load monitoring scenarios. These sensors typically use strain gauge technology to detect the weight or load of objects. It is crucial to protect strain gauges from external environmental influences in order to ensure their precise operation and long-term stability. Especially in harsh working environments such as high humidity, vibration, and temperature changes, strain gauges require effective protective measures to avoid damage or functional degradation. Application requirementsIn such applications, the main requirements of users are:Protecting strain gauges: As the core component of sensors, strain gauges must maintain high sensitivity and accuracy, and cannot be disturbed by external environments such as moisture, dirt, etc.Good insulation: As weighing sensors involve electrical measurements, good electrical insulation performance is crucial to avoid electrical interference and errors.Flexibility: Due to the mechanical stress that strain gauges need to withstand, the protective adhesive layer must have sufficient flexibility to reduce mechanical stress caused by vibration or temperature changes.Viscosity requirement: In order to ensure that the adhesive dots can evenly cover the surface of the strain gauge, the viscosity range should be controlled between 12000-15000 CPS to ensure the uniformity and flowability of the coating.Thin layer coating of strain gauges for weighing sensorsSolution: SIPC 1812 low viscosity series organic silicone gelIn response to the above requirements, SIPC 1812 low viscosity series organic silicone provides a perfect solution. This product uses oxime free organic silicon adhesive material, which has a series of excellent properties and can meet the high requirements of weighing sensors in harsh environments.The SIPC 1812 series sealant absorbs moisture from the air at room temperature and solidifies. It is a deoxime type silicone adhesive sealant made of special silicone rubber material as the base material and cannot be cured by…

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Elaplus application case sharing: Sealing of household appliance visible windows

2025-02-06

In the home appliance industry, many devices such as microwave ovens, ovens, etc. adopt window design, allowing consumers to observe the cooking process of food in real time. In order to ensure the safety and sealing of visual windows during long-term high-temperature operation, home appliance manufacturers have put forward strict requirements for sealing materials. Especially at the connection between glass and metal powder coated parts, the selection of sealant is crucial. Yilian SIPC 1826 high-performance sealant has demonstrated outstanding application effects in this field due to its excellent characteristics.Background requirements. The main technical challenge in the sealing application of household appliance windows is the sealing problem between glass and metal powder coated parts. Due to the high temperature environment in which the visual window operates, the sealant must meet the following key performance requirements:

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Detailed introduction and selection guide for adhesive used for coil fixation

2025-01-17

As a key component in equipment such as motors, transformers, sensors, and wireless charging modules, the stability of coils has a significant impact on the performance and lifespan of the entire device. Choosing the appropriate adhesive is particularly important to ensure the fixing effect of the coil and the safe operation of the equipment. This article will provide a detailed introduction to the types, performance requirements, application scenarios, and recommended products of coil fixing adhesives to help you find the best solution. Common types of adhesive used for coil fixationAccording to different application requirements, the commonly used adhesives for coil fixation mainly include epoxy adhesive, organic silicone adhesive, polyurethane adhesive, and acrylic adhesive. These adhesives have their own characteristics and can meet the fixed requirements of different scenarios.Epoxy adhesive is a type of adhesive known for its high strength and high temperature resistance. Its two-component or single component formula design is suitable for coil fixing applications such as motors and transformers that require high adhesion and insulation performance.Organic silicone stands out for its excellent flexibility, aging resistance, and resistance to mechanical stress, and is widely used in scenarios that require high resistance to vibration and high and low temperatures.Polyurethane adhesive combines high flexibility and impact resistance, making it ideal for devices where coils are sensitive to impact and vibration.Acrylic adhesive has fast curing speed and high bonding strength, making it suitable for applications in fast production lines.Key performance requirements for coil fixing adhesiveWhen selecting coil fixing adhesive, multiple performance requirements need to be considered to ensure the stability of the coil during long-term operation. Firstly, adhesive performance is the core indicator, and the adhesive needs to have strong adhesion to substrates such as copper, aluminum, iron cores, plastics, ceramics, etc., and be able to pass the pull-out test. Secondly, mechanical…

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Elaplus moisture-proof terminal sealing solution

2025-01-17

With the widespread application of modern electronic devices and intelligent devices, many devices need to work in harsh environments such as high humidity, drastic temperature changes, and chemical corrosion. Especially for core components such as automotive electronic modules, power communication connectors, and sensors, they not only require highly precise performance, but also strong environmental adaptability.In these application scenarios, the intrusion of moisture and pollutants may cause circuit board short circuits, performance degradation, and even equipment failure. Meanwhile, mechanical stress, temperature shock, and long-term aging can also pose a threat to the reliability and lifespan of the product. Therefore, it is particularly important to develop a high-performance sealing material that can fully meet the needs of sealing, insulation, waterproofing, and moisture resistance. Moisture proof terminal sealingThe sealing of moisture-proof terminals faces challengesExtreme thermal shockTemperature range: -40 ℃ to 120 ℃Cold and hot shock: 168 cycles, low temperature maintained for half an hour, high temperature maintained for half an hourDouble 85 TestCondition: 85 ℃/85% humidity, continuous for 100 hoursCore requirementsRealize insulation and waterproof functionsEnsure the moisture resistance of the productRecommended products for moisture-proof terminal sealing: Elaplus SIGEL 8730SIGEL 8730 is a transparent two-component self-healing silicone gel with excellent buffer capacity and environmental adaptability. After curing, it forms a soft and self-healing material that provides comprehensive protection for circuit boards, while also possessing the following advantages:Product Features▶ 1: 1 additive molding, strong adhesion, self-healing▶ High elongation rate; Excellent flexibility, eliminating mechanical stress▶ Extremely low oil permeability after curing, excellent resistance to poisoning▶ Excellent high-temperature electrical insulation, providing protection for high voltage▶ Excellent aging resistance and weather resistance▶ Excellent waterproof, anti-corrosion, moisture-proof, and chemical resistant properties▶ Can be used in applications such as semiconductor modules, connectors, sensors, etcApplied to packaging and protecting IC chips for power semiconductor IGBT, weighing sensors, automotive ECU integrated modules,…

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Sealing method and recommended adhesive for battery cells

2025-01-15

The battery market is in a stage of rapid development and innovation, mainly driven by the demand for electric vehicles (EVs). Electric vehicles have increasingly high requirements for batteries, especially in terms of energy density, lifespan, and charging speed. The advancement of solid-state battery technology has brought new hope for improving the safety and performance of batteries, especially the design of silicon anodes and lithium metal anodes, which can further enhance the performance of batteries.In this fiercely competitive market, battery manufacturers are facing pressure to improve energy efficiency, reduce costs, and comply with strict regulations. For example, they need to ensure that battery products comply with the highest flame retardant standards (such as UL94V0) and do not contain harmful substances, such as PFAS, which are regulated by the European REACH regulation. With the increasingly fierce competition in the global electric vehicle market, major manufacturers are vying for market share and striving to provide advanced and cost competitive battery solutions. Square battery. cylindrical battery, soft pack batterySealing can also affect the mechanical stability and thermal management of batteries, which is crucial for maintaining optimal performance under various operating conditions. Therefore, choosing the appropriate sealing method is crucial for ensuring the reliability and safety of battery cells.The choice of sealing method depends on the specific requirements of the battery application and the ideal balance between performance, cost, and manufacturing complexity. Lithium battery packaging formAccording to the packaging form, lithium batteries can be divided into three forms: square, cylindrical, and soft pack. The packaging form refers to the packaging structure of a single lithium battery, and different packaging forms correspond to different manufacturing processes, as well as different forms of battery precision structural components. At present, the packaging technology route for lithium batteries mainly includes three forms: cylindrical, square, and soft pack. The…

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Elaplus Power Potting Solution – EP 1712 Epoxy Potting Material

2025-01-15

With the rapid development of electronic technology, the functions of various electronic devices have become increasingly complex, and higher requirements have been put forward for the stability and reliability of their performance. Especially in the packaging process of power modules and electronic components, the selection of encapsulation materials is crucial. The power module not only needs to withstand fluctuations in current, but also needs to cope with environmental pressures such as high temperature and high humidity. Therefore, the sealing material not only needs to have high hardness to prevent physical damage, but also needs to have excellent flame retardancy and waterproof and moisture-proof capabilities to ensure long-term stable operation of the equipment in various harsh environments.With the rise of emerging industries such as electric vehicles, 5G communication equipment, and smart homes, the working environment faced by power modules has become more complex. For example, in electric vehicles, the battery and power module need to maintain stable performance in multiple harsh environments such as high temperature, humidity, and vibration; In communication equipment, modules must not only have high temperature resistance, but also ensure long-term electrical stability and anti-interference. Therefore, selecting appropriate sealing materials has become the key to ensuring the long-term stable operation of electronic devices. Power sealing adhesive faces challenges✔ Hardness and protective balanceHigh hardness is required to prevent physical damage while maintaining appropriate toughness to avoid material embrittlement.✔ Flame retardancy and safetyIn environments with high temperatures or potential fire risks, it is necessary to ensure that the sealing material has flame retardancy to prevent the spread of fire.✔ Waterproof and moisture-proofHigh water absorption may lead to decreased performance or corrosion of electronic components, and waterproof and moisture-proof properties become key requirements.✔ High temperature resistance and adaptabilityThe power module often operates in high temperature environments, and the material needs to…

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Elaplus Case Study on Thermal Insulation Potting of Electromagnetics: Application of EP 1798A/B High Performance Epoxy Potting Material

2025-01-14

With the increasing development of electronic products, electromagnets, as important electrical components, have been widely used in many industries, especially in high-precision control, automation equipment, and power tools. However, electromagnets are subject to factors such as temperature rise, mechanical vibration, and environmental moisture during operation, which puts higher demands on their performance stability and service life. The selection of thermal conductive sealing materials is crucial to ensure the long-term reliable operation of the electromagnet.Electromagnets are often exposed to external vibrations, impacts, and extreme environmental conditions during operation, which puts higher demands on their long-term stability and mechanical strength. In order to ensure the continuous and efficient operation of the electromagnet, it is necessary to use sealing materials with excellent thermal conductivity, high hardness, good toughness, and temperature resistance to protect its internal components and effectively disperse the generated heat. Challenge: Heat dissipation problem of electromagnet in high temperature environment Requirements for thermal conductivityThe working environment of an electromagnet usually requires it to be able to quickly and effectively conduct heat from the inside to the outside. If the heat cannot be carried away in a timely manner, the temperature of the electromagnet will rapidly rise, affecting its normal operation and even causing malfunctions. The thermal conductivity of the sealing material must meet specific requirements to ensure that the electromagnet can operate stably for a long time.Solution: Yilian EP 1798A/B epoxy potting materialIn order to address the above challenges, Elaplus has launched EP 1798A/B two-component epoxy potting material, which provides an ideal thermal sealing solution for electromagnets due to its excellent performance characteristics. EP 1798A/B not only effectively dissipates heat and improves the stability of the electromagnet, but also resists external vibrations, impacts, and temperature changes, ensuring the long-term reliable operation of the electromagnet in high load and high temperature environments….

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