Due to the compressed air pipe internal may produce pollution, so in the air into the powder coating system best filter processing after before.
由于在压缩空气管道内部可能产生污染，所以在空气进入粉末涂装系统之前最好经过过滤处理。
2
Pipe shall not be allowed to flash rust before coating.
管道不允许再喷涂前闪锈。
3
Surface cleaning is critically important for pipecoating, and shot (impeller) blasting is the most suitable derusting method for most kinds of coating materials.