… including dolomite ramming mix, other than products of heading 38.01. …
Explanatory notes
… including dolomite ramming mix, other than products of heading 38.01 . This heading covers certain preparations … a basis of such refractory materials as chamotte and dinas earths, crushed or ground corundum, powdered quartzites, … covers refractory concretes consisting of mixtures of heat‑resistant hydraulic cements (e.g., aluminous cements) …