Vacuum Potting 真空灌胶 ? Product is degassed, mixed and casted directly into (pre-heated) parts under vacuum. 产品先脱气,然后混合,再在真空环境里直接灌到产品里面。 ? Advantages 优点 ? Very good impregnation, no bubbles ? Higher properties of the end parts ? Disadvantages 缺点 ? higher investment costs v.s atmospheric casting ? more complex processing