Many auxiliaries (sizing agent,retention acid,filter acid,wet/dry strength agent)will be added in paper making process,they will lead to foam problem in white water closed cycle system.

Our factty alcohol and polyether defoaming agent widely used for cardboard paper,newspaper,card paper,corrugated paper,silicone based defoamer easy to create silicon spot and net hole on the surface of the paper,so it can not be used in this step.

There are no general defoamers for all kinds of paper,the best solution should be determined by the test.

is a kind of polyether antifoam agent, it is composed of polyether and synergist agent, It has great dispersing performance, and it offer quick bubble break, excellent foam suppressing performance. It can be applied to paper making process like Cardboard paper,White board,Newsprint and cultural- paper etc

is a kind of non-silicone antifoam agent, it is composed of higher fatty alcohols and fatty acid derivatives, it offer quick bubble break performance, excellent foam suppressing and good degassing. It shows excellent defoaming performance through a wide temperature range (25°C-45°C and 55°C above) , good foam control performance can be achieved by small dosage. It shows less impact on the performance of other paper chemicals(such as sizing agent,retention aid etc) and no negative impact on the whole paper making process. The pumping flow is stable during use.This product is stabilization during the storage period.It can be applied to paper making process like cardboard paper, white board, newsprint and cultural- paper etc.

http://www.gs-defoamer.com/