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Industry Application

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PCB waterproof potting solution for new energy vehicle charging gun

2026-01-15

With the rapid popularization of new energy vehicles, charging guns, as external connection components that are used frequently, are exposed to rain, moisture, temperature changes, and complex outdoor conditions for extended periods. Their internal PCB boards not only carry out signal transmission and current control functions but also directly affect the safety, stability, and service life of the entire gun.Once the PCB protection is not in place, it is extremely prone to: The intrusion of moisture leads to electrical leakage and short circuits. Humid environments cause a decline in insulation performance. Temperature cycling results in stress concentration and solder joint failure. Therefore, higher requirements are placed on the potting materials inside PCBs.Key Challenges High waterproof grade requirements: Long-term stability to achieve IP67 moisture resistance + reliable electrical insulation performance Possess a certain adhesive strength with PC housing and wiring harness to prevent vibration and loosening Process-friendly: Manual potting is less prone to bubbling, with feasible rework No stress, cracking, or corrosion during long-term use Main recommended solution for electronic components: SIPC 1815 silicone potting adhesive SIPC 1815 is a two-component condensation de-alcoholized silicone potting adhesive, specifically designed for applications such as new energy vehicle charging guns and outdoor electronic modules.Product advantages:✔ Excellent waterproof performance, easily meeting IP67 requirements ✔ Good fluidity, easy to spread and spread without entraining bubbles when manually pouring glue ✔ Repairable design, reducing maintenance and after-sales costs ✔ Low curing shrinkage rate, no corrosion, no internal stress, protecting PCB and solder joints ✔ Stable high-temperature electrical insulation performance, adapting to temperature rise environment during charging process ✔ Good adhesion to PC housing and wiring harness, taking into account both sealing and structural fixation ✔ Waterproof, moisture-proof, and high reliability for long-term use View SIPC 1815 details 👉 Especially suitable for charging gun products with high requirements…

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Industrial wiring harness bonding solution | PUR 1601 two-component polyurethane structural adhesive

2026-01-08

In the fields of industrial equipment, automotive electronics, automation equipment, etc., wire harness systems not only undertake signal and power transmission functions, but also need to face complex usage environments: PVC wire harness bonding and fixation 🔧 Vibration and impact are frequent, demanding high toughness and fatigue life for the bonding structure 🌡️ Temperature changes and aging issues are prominent, with ordinary adhesives prone to embrittlement and cracking 🧪 In oily and chemical environments, bonding materials are required to have good chemical resistance 🤖 Assembly methods are diverse, satisfying both automated dispensing and the flexibility of manual assembly 🌱 Environmental regulations are becoming stricter, with low odor and low VOC becoming rigid requirements Therefore, wire harness bonding materials must not only be “firmly bonded” but also long-term reliable, process-friendly, and environmentally compliant.Application: Recommended product for structural bonding of industrial wiring harnesses: PUR 1601, a two-component polyurethane structural adhesive PUR 1601 A/B is a two-component, solvent-free, room temperature curing polyurethane adhesive specifically designed for bonding industrial wiring harnesses and multi-substrate structures, achieving an ideal balance between strength, flexibility, and durability.The core advantages of PVC wire harness bonding and fixing products include low VOC and low odor, compliance with RoHS/REACH regulations, and adaptability to various application scenarios with strict environmental and operational requirements. The process is highly adaptable, allowing for both automated machine dispensing and manual mixing operations to meet different production line needs. It exhibits strong adhesion to multiple substrates, including metals, plastics, rubbers, and polyesters. High toughness and elasticity effectively absorb vibration and stress, enhancing the long-term reliability of the wire harness system. Resistant to aging and chemicals, it is suitable for complex industrial environments such as oil contamination and chemical media. Typical application scenarios include industrial equipment wire harness fixing and sealing, automotive and new energy wire harness structure…

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Semiconductor ECU thermal management solution

2026-01-08

— Liquid thermal conductive gel pad TCMP 1935 boosts the high-reliability electronic system industry. Background and challenges With the high integration of automotive electronics and the continuous increase in power density, the heat generated by semiconductor ECU (Electronic Control Unit) during operation rapidly increases. In practical applications, ECU thermal management often faces the following challenges:🔥 Severe local heat concentration: There are assembly tolerances between the chip, power module, and heat sink, making it difficult for traditional thermal pads to fully fit. ⚠️ High mechanical stress risk: High-hardness materials are prone to stress damage to solder joints and chips during compression. 🛠️ Difficult and costly rework: Once assembled, traditional thermal pads are complex to rework and repair, affecting yield. 🤖 Inadequate automation adaptation: Solid materials are not conducive to high-speed, fully automated production line applications. Against this backdrop, liquid thermal gel pads are gradually becoming the mainstream choice for thermal management in the new generation of ECUs. Application scheme: Recommended product for thermal gap filling: TCMP 1935 liquid thermal gel gasketTCMP 1935 is a two-component liquid thermal gel gasket specifically designed for high-reliability applications such as semiconductor ECUs, automotive electronics, battery systems, and communication equipment. With a thermal conductivity of up to 3.5 W/mK, it achieves an excellent balance between thermal performance and reliability. Product Core Advantages 🌡️ Highly Efficient Heat Conduction, Stable and Reliable Thermal Conductivity Coefficient 3.5 W/mK Effectively fills the tiny gaps between devices and heat dissipation structures Significantly reduces junction temperature and enhances the long-term operational stability of ECUs 🧩 High Adaptability, Eliminates Assembly Tolerances Liquid form allows for full flow, self-adapts to complex surfaces Achieves good contact with almost no compression force required Effectively protects solder joints, chips, and precision electronic components 🧘 Low Stress Design, Cares for Sensitive Devices Thixotropic system, low stress application Low…

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PUR 1680 polyurethane potting adhesive | Industrial module packaging solution

2026-01-06

High reliability · Long operation time · Structural level protectionIn industrial control, power electronics, and various functional module packaging applications, potting materials not only need good operability but also maintain long-term stability in complex environments. For industrial module applications involving large volume, complex structure, and long-term potting, PUR 1680 polyurethane potting adhesive is recommended. Recommended product: PUR 1680 PUR 1680 is a high-performance polyurethane potting material specifically designed for industrial module packaging, achieving an ideal balance between operation time, mechanical properties, and environmental adaptability.Key performance advantage: Extremely long operation time. With an operable time of approximately 100 minutes, it can confidently handle the encapsulation needs of complex structures and large-volume modules, significantly reducing process risks. After curing, the high-hardness structural support can achieve a Shore A85 hardness, covering Shore A40–80 and higher hardness requirements, while balancing structural support and vibration resistance.Low viscosity, high fluidity: Designed for low viscosity, it exhibits excellent fluidity, facilitating easy filling of small gaps and deep cavity structures, with strong constructability.Excellent low-temperature performance and weather resistance maintain stable physical properties even under low-temperature and complex environmental conditions, making it suitable for demanding industrial applications.Excellent electrical insulation and long-term stability: The material possesses excellent electrical insulation properties and stable material performance, making it suitable for long-term reliable operation scenarios.Excellent waterproof and moisture-proof capabilities, with extremely low water absorption rate, effectively prevent water, moisture, and corrosion, enhancing the environmental adaptability of the module.Good material compatibility ensures strong adhesion to most metals and engineering plastics, making it suitable for a wide range of industrial module structure designs. Typical application scenarios: Industrial control module, power and drive module, sensor and signal processing module, power supply, electrical and communication module. Potting adhesive application scenarios. Potting adhesive application scenarios. Tags: Industrial module potting adhesive · Electronic module potting · Electronic potting adhesive…

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SIPC 2130 silicone adhesive sealant | underwater LED sealing solution

2026-01-06

Long-term waterproof bonding solution for glass × aluminum structure: In applications such as underwater LED lights, landscape lighting, pool lights, fountain lights, and buried lights, seal failure equals lamp failure. Especially for glass and aluminum structures, not only are there significant material differences and different coefficients of thermal expansion, but they also have to face the following challenges over the long term:💧 Water pressure infiltration 🌡️ Cold and heat cycling ⚡ Electrical safety and insulation requirements 👀 High demands on appearance transparency pose extreme challenges for sealants.Analysis of core adhesive needs ✔ Reliable bonding between glass and aluminum ✔ Waterproof and effective for long-term underwater use ✔ Transparent and clear adhesive, without affecting light efficiency ✔ No corrosion to base materials, no yellowing, no oil leakage ✔ Stable performance in high-temperature and high-humidity environments Recommended solution: SIPC 2130 transparent silicone adhesive sealantRTV SIPC 2130 is a neutral curing, transparent silicone adhesive sealant specifically designed for LED sealing and electronic protection scenarios, balancing reliability and aesthetic performance.Why is SIPC 2130 particularly suitable for LED sealing?🔹 It is a neutral curing system friendly to glass and aluminum bonding, with no corrosion risk to metals and glass, and it remains stable and does not fall off over a long period of time.🔹 With its excellent waterproof and sealing performance, it forms a continuous, dense, and elastic sealing layer, making it suitable for long-term use underwater or in high humidity environments.🔹 High transparency, with no impact on light efficiency. After curing, the colloid is clear and transparent, without yellowing, fogging, or oil leakage, making it ideal for visible areas.🔹 Excellent environmental resistanceTemperature range: -60 to 220℃. Resistant to high temperature and humidity, with long-term stable electrical properties. Resistant to engine oil, transformer oil, acids, and alkalis. 🔹 Reliable electrical and mechanical protectionExcellent insulation performance,…

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New Choice for Packaging NTC Components of Temperature Sensors – EP 2029 Epoxy Structural Adhesive

2025-12-25

In modern industrial and automotive electronics applications, temperature sensors play a key role, especially NTC (Negative Temperature Coefficient) components, which are used to accurately monitor temperature changes and ensure safe operation of equipment. However, with the increasing complexity of application environments, temperature sensors face many challenges:NTC component encapsulation Background and ChallengesHigh temperature and high humidity environmentTemperature sensors often operate within a wide temperature range of -50 ℃ to 180 ℃, and require long-term resistance to external environmental erosion such as moisture, dust, and oil. Ordinary packaging materials are prone to cracking, detachment, or performance degradation.Mechanical stress and vibration impactNTC components are usually small in size and precise, and are susceptible to vibration, impact, or stress during installation. If the packaging material has high rigidity or poor fluidity, it can cause component damage or poor contact.Multi material bonding requirementsThe temperature sensor component involves different materials such as metal, ceramic, fiberglass cloth, aluminum, and plastic. The encapsulation adhesive needs to be able to wet well and provide high-strength bonding to avoid cracking caused by thermal expansion and contraction.Yilian EP 2029- Ideal Solution for NTC Packaging of Temperature SensorsEP 2029A/B is a 2:1 two-component epoxy structural adhesive with thixotropy, which does not sag after dispensing and is very suitable for precision component packaging. Its main advantages include:High reliability packaging: resistant to a wide range of high and low temperatures (-50 ℃ -180 ℃), maintaining stable physical and chemical properties for a long time.Excellent adhesion: It has excellent adhesion to various materials such as metal, ceramic, fiberglass cloth, plastic, and aluminum, reducing the risk of component cracking or detachment.Resistance to environmental erosion: After solidification, the colloid can resist moisture, oil stains, and other atmospheric components, without solvents or solidification by-products, reducing secondary pollution. Easy to operate: It can be cured at room temperature or…

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Potting Solution for Electric Tool Controller | PUR 1627 Thermal Conductive Flame Retardant Potting compound IP68 Protection

2025-12-25

——Thermal conductivity, flame retardancy, IP68 comprehensive protectionIn electric tools such as drills, hammers, angle grinders, impact wrenches, etc., the controller is equivalent to the “brain” of the entire machine. It works in a complex environment with high current, high temperature rise, strong vibration, dust, and water vapor coexistence for a long time. Once the sealing material is selected improperly, it is prone to:Excessive temperature rise, power device failureMoisture intrusion can cause short circuits and corrosionLong term vibration leads to cracking of solder joints and detachment of componentsInsufficient flame retardant rating poses safety hazardsTherefore, controller encapsulation is not just about “filling it up”, but requires systematic requirements for material performance and reliability.1、 The core challenge of sealing electric tool controllersone ️⃣ Both heat dissipation and insulation must be taken into accountThe power MOS, IGBT, and drive module continue to generate heat, requiring effective thermal conductivity of the potting material while maintaining excellent electrical insulation to avoid leakage risks.2. ️⃣ The flame retardant level is directly related to safetyElectric tools belong to high-power equipment, and the sealing material must meet the UL 94 V-0 flame retardant rating, which does not support combustion or drip under abnormal working conditions.3 ️⃣ High waterproof and moisture-proof requirementsIn outdoor or construction site usage scenarios, rainwater, condensate, and dust are everywhere. The controller needs to achieve IP68 protection, and the sealing material must have low water absorption and long-term stability.4 ️⃣ Complex structure with high requirements for process friendlinessThe internal components of the controller are dense and have many gaps. The sealing adhesive needs to have low viscosity, good fluidity, and a wide operating window to ensure complete coverage and no gaps.2、 Recommended solutions PUR 1627 thermal conductive flame-retardant polyurethane sealant PUR 1627 provides a highly balanced solution between performance and process to address the aforementioned challenges…

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Pressure sensor silicon gel potting solution | SIGEL 1806 | ELAPLUS

2025-12-25

Intelligent equipment upgrade, higher packaging requirements for pressure sensorsWith the rapid development of drones, humanoid robots, robotic dogs, and CNC precision equipment, pressure sensors have become key sensing units widely used for:Air pressure/altitude detection Force feedback and tactile perceptionHydraulic and pneumatic pressure monitoringThese new application scenarios generally have the following characteristics:Equipment miniaturization and highly integrated structureContinuous vibration and impact during operationExtremely high requirements for measurement stability and long-term reliabilityIn this context, the internal sealing material of pressure sensors is no longer just a simple protective material, but a key factor that directly affects the accuracy, stability, and service life of the sensor.Industry challengesThe Three Core Difficulties in Sealing Pressure SensorsChallenge 1: Devices are extremely sensitive to stressPressure sensors typically contain MEMS chips, sensitive membranes, and fine lead structures inside.If the hardness of the sealing material is too high or the curing shrinkage is large, it is easy to generate internal stress after packaging, resulting in:zero driftDecreased sensitivityLong term stability deterioratesChallenge 2: Vibration and impact under dynamic working conditionsIn applications such as drones and robotic dogs, sensors need to withstand long-term:high-frequency vibrationInstantaneous impact accelerationStructural stress changes caused by repeated start stop cyclesThe sealing material must have good buffering and shock absorption capabilities, rather than simply “filling”.Challenge Three: Balancing Environmental Protection and Signal StabilityIn complex environments, potting materials need to achieve both:Moisture, dust, and pollution preventionLong term reliable protectionAt the same time, it cannot interfere with the transmission of pressure signals, which puts higher demands on the flexibility and stability of the material.SolutionFilling Scheme of SIGEL 1806 Low Stress Silicon gel Pressure SensorSIGEL 1806 is a two-component silicon gel material specially designed for precision electronic and pressure sensor packaging, which can effectively meet the above challenges. Core advantages of the plan:1: 1 Two component silicon gel systemSimple ratio, suitable for manual or…

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Solution for Partial Encapsulation of Contactor Induction Switch

2025-12-01

In automotive electronics, home appliance controllers, and intelligent devices, the contactor induction switch is the core induction and triggering unit. Its working environment is often accompanied by moisture, vibration, dust, and cold and hot cycles, which impose strict requirements on the protection of internal circuits. In order to further enhance the stability, durability, and protective performance of products, more and more manufacturers are adopting the “local encapsulation inside the shell” scheme to achieve long-term sealing protection of sensitive circuit boards (PCBs) and sensing areas.Today, we introduce to you a widely used and highly stable fast curing epoxy adhesive in the industry – EP 2005 fast curing epoxy adhesiveIt is particularly suitable for this scenario:✔ PA66+30% fiberglass shell✔ Partial sealing protection✔ Waterproof and moisture-proof✔ Rapid solidification and improved production efficiency1、 Application background: Why does the contactor induction switch need local sealing?Induction switches are responsible for real-time response to external actions, and their internal circuits include components such as coils, capacitors, resistors, PCBs, etc. Once exposed to moisture, dust, or chemical media, it will cause:Trigger malfunctionOutput drift and misoperationDecreased electrical performanceMetal contact oxidationSignificant decline in lifespanTherefore, manufacturers generally adopt local sealing technology to provide:Sealing protectionAvoid water vapor intrusion and improve equipment lifespan.Mechanical protectionAbsorb vibrations and prevent solder joints from cracking.Electrical insulationReduce risks such as short circuits and electrical leakage.Adapt to cold and hot cycling environments-Environmental stress between 40 ℃ and 85 ℃ will not cause material cracking.Choosing the appropriate sealant is crucial among these requirements.2、 EP 2005 Fast Curing Epoxy Adhesive – A Professional Adhesive Suitable for Rapid SealingEP 2005 is a two-component fast curing epoxy adhesive that combines adhesion, sealing, and protection. It is specifically developed for application scenarios that require “fast assembly+high-strength protection”, and is particularly suitable for internal sealing of intelligent automotive induction switches, micro switches, and sensors. Product…

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