... and oils . Welcome to advise! Purity:% ≥ 98Hydrochloric acid insoluble matter% ≤ 0.20Free alkali content of qualifiedHeavy Metals ... heavy calcium carbonateEnglish Name: Aglime; Aragonite; Atomite; Calcite; Carbonic Acid Calcium Salt; Chalk; Limestone; Marble; Slaker Rejects; ... toothpaste, dyes, pigments, mineral water, artificial stone, putty, neutralizing agent, catalyst, fillers, pharmaceuticals.