Say goodbye to the trouble of bubbles! A comprehensive review of the various application scenarios of potting glue defoamers

Potting glue defoamers are chemical additives specifically used to eliminate or inhibit the generation of bubbles in potting glue during production, mixing, potting, etc. They are widely used and cover multiple industrial fields.

Electronic and electrical fields

Power module potting: In the production of power modules, potting glue is often used for potting to protect internal electronic components, improve insulation performance and heat dissipation effects. During the stirring and pouring process of the potting glue, air is easily mixed in to produce bubbles. Potting glue defoamers can effectively eliminate these bubbles, prevent bubbles from causing gaps inside the power module, affect insulation performance and heat dissipation efficiency, and may even cause safety hazards such as short circuits.

LED lamp packaging: LED lamps have high requirements for heat dissipation and optical performance. Potting glue can fix LED chips, protect circuits, and improve the refraction and scattering of light. If there are bubbles in the potting glue, it will affect the light output efficiency and uniformity of the LED, and may also cause local overheating and shorten the service life of the LED. Adding potting glue defoamer can ensure that the potting glue is free of bubbles, ensuring the performance and reliability of LED lamps.

Sensor potting: Sensors need to work stably in various complex environments. Potting glue can protect the sensitive components inside the sensor and prevent interference from external environmental factors (such as moisture, dust, chemicals, etc.). The presence of bubbles may affect the accuracy and stability of the sensor. Potting glue defoamer can eliminate bubbles and ensure the normal operation of the sensor.

Automotive industry

Automotive electronic control unit (ECU) potting: ECU is the core control component of the car, which contains a large number of electronic components and circuits. Potting glue is used to protect ECU from vibration, impact, moisture and dust. During the potting process, bubbles may cause stress concentration inside the ECU, affecting the connection and signal transmission of electronic components. Potting glue defoamer can effectively solve this problem and ensure the reliability and stability of the ECU.

Automotive sensor potting: Various sensors are installed on the car, such as pressure sensors, temperature sensors, position sensors, etc. These sensors need to work accurately in the harsh operating environment of the car. Potting glue defoamer can eliminate bubbles in the potting glue, prevent bubbles from interfering with the performance of the sensor, and ensure the accuracy of the sensor measurement data.

Potting of new energy vehicle batteries: In the battery pack of new energy vehicles, potting glue is used to fix battery cells and improve the overall strength and heat dissipation performance of the battery pack. Bubbles may reduce the insulation performance of the battery pack, increase the risk of short circuit, and also affect the heat dissipation effect of the battery pack. The use of potting glue defoamer can ensure that the potting glue is free of bubbles and improve the safety and service life of the battery pack.

New energy field

Solar photovoltaic module potting: Solar photovoltaic modules are used outdoors for a long time and need to have good waterproof, moisture-proof and weather-resistant properties. Potting glue is used to seal the junction box and cell edges of photovoltaic modules to prevent water and moisture from entering the module. The presence of bubbles will lead to poor sealing and reduce the reliability and service life of photovoltaic modules. Potting glue defoamer can eliminate bubbles and ensure the sealing performance of photovoltaic modules.

Wind turbine control cabinet potting: A large number of electrical components are installed inside the control cabinet of the wind turbine. The working environment is harsh and is easily affected by factors such as vibration, moisture and salt spray. Potting glue is used to protect the electrical components in the control cabinet and improve its anti-interference ability and reliability. Potting glue defoamer can eliminate bubbles in the potting process to prevent bubbles from damaging electrical components.

Aerospace field

Avionics equipment potting: Avionics equipment has extremely high requirements for reliability and stability and needs to work normally in extreme environments such as high temperature, low temperature, high humidity, and strong vibration. Potting glue is used to protect the circuits and components inside avionics equipment from the external environment. Potting glue defoamer can ensure that the potting glue is free of bubbles and improve the vibration resistance, impact resistance and sealing performance of avionics equipment.

Satellite component potting: Satellites operate in space and face extreme conditions such as vacuum, high and low temperature alternation, and cosmic rays. The potting glue of satellite components needs to have good insulation, thermal stability and mechanical properties. Bubbles may affect the performance and reliability of satellite components. Potting glue defoamer can eliminate bubbles and ensure the normal operation of satellites.

Lighting fixture field

Industrial lighting fixture potting: Industrial lighting fixtures usually need to work in harsh environments such as high temperature, high humidity, and dust. Potting glue can protect the light source and circuit inside the lamp, and improve the waterproof, dustproof and heat dissipation performance of the lamp. Potting glue defoamer can eliminate bubbles in the potting glue, prevent bubbles from affecting the heat dissipation effect and optical performance of the lamp, and extend the service life of the lamp.

Landscape lighting fixture potting: Landscape lighting fixtures focus on appearance and decorativeness, but also need to have certain protective properties. Potting glue is used to fix and protect the LED light source and electronic components inside the lamp to prevent moisture and dust from entering. Potting glue defoamer can ensure that the potting glue is free of bubbles, ensuring the display effect and reliability of landscape lighting fixtures.