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02
2024
-
03
Polyurethane electronic potting material use matters needing attention
Author:
Polyurethane electronic potting compound is a commonly used electronic packaging material with good sealing and insulation properties, which can effectively protect electronic components from moisture, dust and other external environments. However, in the process of using polyurethane electronic potting materials, some common problems may occur, which need to be resolved in time to ensure product quality and performance.
First of all, polyurethane electronic potting materials may have the problem of incomplete curing. This may be due to the uneven mixing of the potting material, the inaccurate addition of the curing agent or the insufficient curing time. In the production process, the operation should be carried out in strict accordance with the requirements of the production process to ensure that the potting material is evenly stirred, the curing agent is added accurately, and the curing time is sufficient to ensure that the potting material is completely cured.
Secondly, polyurethane electronic potting materials may have the problem of unstable viscosity. This may be due to the viscosity change of the potting compound during storage and transportation, which is affected by temperature changes or humidity. When using polyurethane potting compound, it should be stored in a dry and ventilated environment to avoid being affected by the external environment to maintain the stable viscosity of the potting compound.
In addition, polyurethane electronic potting material may have the problem of poor fluidity. This may be due to the viscosity of the potting compound is too high or the curing speed is too fast. When using the potting material, the formulation of the potting material can be adjusted according to specific requirements, and the viscosity can be appropriately reduced or the curing time can be extended to improve the fluidity of the potting material and ensure the smooth progress of the potting process.
In addition, polyurethane electronic potting materials may present problems of incompatibility with the substrate. This may be due to the mismatch between the thermal expansion and contraction coefficients of the potting compound and the substrate or the incompatibility of the chemical composition. When selecting the potting material, the appropriate product should be selected according to the nature and requirements of the substrate to ensure the compatibility between the potting material and the substrate and avoid the problem of incompatibility with the substrate.
In general, polyurethane electronic potting materials may encounter some common problems during use, but as long as you pay attention to the details, operate in strict accordance with the operating requirements, and solve the problems in time, you can ensure the quality and performance of the product and provide customers with Better products and services.
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Polyurethane electronic potting compound
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