What are the advantages of using polyurethane potting glue for PCB boards?
PCB potting compound is a material used to protect and encapsulate PCB boards and their components. By completely encapsulating the PCB in the compound, it provides electrical insulation, mechanical protection, and environmental protection. Shanghai Hinnel New Materials Technology Co., Ltd. introduces the advantages of using polyurethane potting compound on PCB boards.
Shanghai Hinnel
2025/07/03
Potting is usually PCB The final step in printed circuit board assembly. Boards that do not use potting compound PCB may face decreased environmental adaptability, weakened shock resistance, damaged insulation performance, increased maintenance costs, and shortened product lifespan. Potted PCB circuit boards are waterproof, dustproof, protected from direct contact with harsh environments, protected from conductive contaminants, protected from chemical erosion, and protected from vibration and impact, improving electrical insulation and heat dissipation performance. Potting compounds vary depending on different requirements and usage environments.
Therefore, to ensure the reliability and stability of the circuit board, we recommend that you use potting compound for potting during production and R&D.
Recommended use of Polyurethane potting compound
Polyurethane potting compound has excellent low-temperature resistance, a slightly softer material, and good adhesion to general potting materials, with adhesive strength between epoxy resin and silicone. It has good waterproof, moisture-proof, and insulation properties.
1. Excellent electrical performance: Polyurethane potting compound has excellent insulation properties, effectively protecting PCB the components on the board from moisture, contamination, and external environmental influences, ensuring stable circuit operation. At the same time, its good thermal conductivity helps to quickly dissipate PCB the heat generated by the board, ensuring normal equipment operation.
2. Strong mechanical properties: The cured glue layer of polyurethane potting compound has good impact resistance and shock resistance, effectively absorbing external stress and protecting PCB the board from external environmental damage. In addition, it has a certain elasticity, which can alleviate the stress generated during equipment operation and extend the service life of the equipment.
3. Excellent chemical stability: Polyurethane potting compound has excellent chemical corrosion resistance, capable of resisting corrosion from various chemicals, ensuring PCB stable operation of the board under various harsh environments.
4. Easy operation: Polyurethane potting compound has a moderate viscosity, is easy to operate, and can achieve perfect filling without bubbles or pinholes. This greatly reduces the difficulty of operation and improves production efficiency. At the same time, its fast curing speed can greatly shorten the production cycle.
The above are the PCB advantages of using polyurethane potting compound for boards. If you need to learn more about potting compound information, please contact us for details.
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Shanghai Hinnel
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