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

消泡剂一般使、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的的, 置带溶剂的不朱只需补充好多的。