According to its composition to classify artificial leather:
The first is PVC (polyvinyl chloride). After combustion, the products include water, carbon dioxide and chlorinated compounds, even chlorine;
The second is PE (polyethylene), which only produces water and carbon dioxide theoretically after full combustion;
The third, and most common, is called PU leather (polyurethane). The products after full combustion include water, carbon dioxide, nitrogen, and a small amount of nitrogen containing compounds.
All above are the artificial leather by composition