By using contact Angle instrument, the author measures the contact Angle of various sizes with coating agent, and finally, sift out a series of anti-sticking agents for slasher drum.
作者运用接触角测量装置，测量各种涂料与浆料的接触角，从而筛选出一批浆纱机烘筒防粘涂料。
2
Because its rigidity are less than the drill collar, less contact area with wall of a well, is also not easy to form differential pressure sticking.