prov:value
| - Examples of the foaming agents include inorganic foaming agents, such as sodium bicarbonate, sodium carbonate, ammonium bicarbonate, ammonium carbonate and ammonium nitrite; nitroso compounds, such as N,N???-dimethyl-N,N???-dinitrosoterephthalamide and N,N???-dinitrosopentamethyelnetetramine; azo compounds, such as azodicarbonamide, azobisisobutyronitrile, azocyclohexylnitrile, azodiaminobenzene a
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