ground coat(enamel) 搪瓷及陶瓷制造工艺中坯体和面釉直接结合的中间层瓷釉。在面釉的下面坯体的上面。具有与坯体密着与面釉熔合的性质。
介绍了搪瓷底釉、面釉、喷花釉同炉组合烧成的新工艺。该工艺提高了产品质量，减少了生产工序，节省了燃料消耗。
The combined firing of ground, cover and finishing coat of enamelwares has been described. This new technique results in better quality, simplified processing and energy saving.
其工艺基础为底釉、面釉分别制备，三次施釉，一次烧成。
The process is based on producing ground glaze and surface glaze in difference, spraying glaze three times, firing one time.
增加基体表面粗糙度和减小面釉在底釉中的含量，可促进润湿性的改善。
The wetting performance can be improved with the increase of surface roughness of base metal or with the decrease of the content of overglaze in priming glaze.
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