Fourth, Preheat the PCB a bit just before potting. Warming the board to the lower, safe temperature can help the potting compound movement more effortlessly and releases any air trapped in component gaps. Just watch out not to overheat delicate electronic components all through this stage. 设计的规范度、细致度，直接决定产品的稳定性、寿命、量产良率�?掌握从原理图到 Mastering the artwork https://www.jiadi-newmaterials.com/news/pcb-potting-compound-selection-guide.html