| http://www.w3.org/ns/prov#value | - Nano Calcium Carbonate CAS No : 1317-65-3 With 12 years export experience to worldwide marketNano superfine active calcium carbonate particle size is small, the distribution of narrow, high activity, has excellent functionality, can be widely used in coatings, sealants, paints, rubber and other industries, the performance indicators have reached international advanced level.Nano PCC for sealantFea
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