The most common, the plate-and-frame press, contains caulked , metal septa and a recessed cake space.

最普遍的是板框式过滤机，有可填充的、金属隔片的和凹显空间滤饼的。

This has the advantage of no ugly caulked seams to mildew or open up, no mica to loosen.

这样做的好处没有丑陋的caulked接缝，以白粉病或开放，没有云母出现松动迹象。