涂层的制备通常先加入硅溶胶，然后加入润湿剂，在混合中加入难熔粉末，最后加入消泡剂。为保证涂装质量，表面涂装均为新材料，搅拌时间应超过24小时才能使用，如部分新配料，搅拌时间可缩短至12小时。
The coating is usually prepared by adding silica sol, then adding wetting agent, adding refractory powder in the mixing, and finally adding defoamer. In order to ensure the coating quality, the surface coating is new materials, and the mixing time should be more than 24 hours before use. For some new ingredients, the mixing time can be shortened to 12 hours.
过渡层和后层的涂料混合时间可小于表面涂料，全部为新配漆，搅拌时间可超过12小时，部分为新配涂料时，混合搅拌时间就可缩短一半以上。配好涂料如不使用，应加帽封以防止水分蒸发。
The mixing time of the coating of the transition layer and the back layer can be less than that of the surface coating. All of them are new paint, and the mixing time can exceed 12 hours. When some of them are new paint, the mixing time can be shortened by more than half. If the prepared coating is not used, it shall be capped to prevent water evaporation.