Defoaming agent general use hexanaphthene, tnbp, n-octanol and so on.

消一般使用硅、磷酸三丁酯、正辛醇等。

And hardness depending on the add to rubber in the number of hexanaphthene, envirogluvtm with solvents simply adding a few hexanaphthene.

而软度决于补充在橡胶边硅数目, 搁置带溶不朱只需补充好多硅。