Search Result : sand additive

Search Result : sand additive


Foundry Sand Additive Refractories Ingot Mold Coating Briquette or Pellet Binder

Foundry Sand Additives and Additive I. Purpose of a Carbonaceous AdditiveA. Reduce imperfections due to the rapid reaction between the silica sand mold and the oxidized surface of molten iron.B. Improve sand peel from casting at shakeout.C. Produce smoother, cleaner casting surface.D. Minimize imperfections, casting losses, scrap.II. Additive TheoriesA. Gaseous Cushion TheoryDuring pouring, the gases given off from the carbonaceous additives form a gaseous [...]