In the physicalfoaming system can play a very good nucleation effect.
在物理发泡体系中能起到很好的成核效果。
2
According to different principles of gas process, it can be divided into physicalfoaming and chemical foaming.
根据发泡剂发气过程原理的不同，可以分为物理发泡和化学发泡两大类。
3
Raised foaming printing can be classified as physicalfoaming printing and chemical one according to the variety of foaming agents used in the printing paste.