翻译一个词组

The ingredients of the pellets are bound mostly by slag bondage
谢谢
原文出处
【发明名称】:Reduced pellets for making alloys containing nickel and chromium
【摘要】:sintered pellets for making alloys containing nickel and chromium，comprising 1 wt. part of chrome iron ore, 1 to 10 wt. parts of nickel silicate ore, and reducing agent having 1.05 to 1.30 gram-atom of carbon per 1 gram-atom of oxygen which is combined with iron, nickel, chromium and cobalt of the ores. The ingredients of the pellets are bound mostly by slag bondage. Iron ore or laterite ore may be added in the pellets. the pellets are sintered at 900deg c to 1，400 deg c.

谭秋

My version:
颗粒物的配料大部分是由熔渣粘合在一起的。