And the surface of urea granular successfully coated by a potassium-type hydrogels using this coating technique, and newly type of WSCU had been made out.
并用这一工艺技术将一种钾型保水剂成功地聚合成膜在尿素颗粒表面，制成了钾型超强保水剂包膜尿素。
2
It is an optimal device for laboratory drying. Granular material: rotating granulation, screw extrusion granulation, wet mixing granulation, coating granulation, etc.