At present, in continuous extrusion processing of micro cellularplastics, the two pressure drop cell nucleation apparatus of the nozzle and gear pump are used.
在连续微孔挤出加工中，当今采用喷嘴和齿轮泵两种快速压降成核装置。
2
In the foam process of cellularplastics, bubble nucleation has decisive effect on cell density and cell distribution, so it is the crucial factor to control the foam quality.