... sulfuric acid. Used as a weighting mud in oildrilling, in paints, paper coatings, linoleum, textiles, rubber. Administered internally (barium cocktail) as ... -30Whiteness ≥96Fe content % ≤0.004♣ 4.use1. As raw material for paints, printing ink, plastics, rubber and storage battery. 2. As surface ... quality: GB/T2899-2008 first-class barium sulphate 98%min. for paints and battery