bonderizing

It is available for spraying degreasing steel pieces before bonderizing with powerful oil removing capacity.

易溶于水，除油能力强，易漂洗，中温使用。

It also suggests some ways to improve the techniques of acid cleaning, bonderizing, annealing and deformation.

并提出了改进酸洗、磷化、退及变形工艺的方法。