Өндөр чанартай 5А цеолит молекул шигшүүр 13х морины …
Zeolite: lithium zeolite, zeolite 3A, 4A, 5A, 13X HP, it is specially for oxygen making. Zeolite molecular sieves have a strong separation effect on nitrogen and oxygen. It has the structure and characteristics of a crystal, the surface is a solid skeleton, and the internal cavities can play the ...