| prov:value
| - Thus, it may be any of water-soluble polymers such as polyvinyl alcohol, starch, methylcellulose, carboxymethylcellulose, hydroxyethylcellulose, poly(sodium methacrylate), etc.; barium sulfate, calcium sulfate, aluminum sulfate, calcium carbonate, calcium phosphate, talc, clay, diatomaceous earth, metal oxide powder, etc.
|