The formulation and process of epoxy primer and polyester polyurethane top finish in this system were introduced.
介绍了该涂料体系的环氧底漆和聚酯聚氨酯面漆的配方和生产工艺。
This blended and filled the detail repairs as well as the 220 grit surface left in the epoxy primer coat by the blocking process.
在环氧树脂底漆上经过补土程序，添加辅料、填补凹陷后用220号砂纸打磨。
The epoxy primer used in the recoating test was trial-produced and the effect of different content of the PVC on the result of recoating test was examined.
试制了环氧底漆用于复涂实验，考察了不同PVC含量对于复涂实验结果的影响。
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