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Table 9 Limits of harmful substances in solvent-based coatings used in civil building engineering [61, 62]

From: Indoor Air Pollution and Its Control in China

Solvent-based coatings TVOC (g/L) Benzene (%) Toluene + xylenes + ethylbenzene (%)
GB 50325-2001 GB 50325-2010 GB 50325-2001 GB 50325-2010 GB 50325-2001 GB 50325-2010
Alkyd coatings ≤550 ≤500 ≤0.5 ≤0.3 ≤5
Nitrocellulose coatings ≤750 ≤720 ≤0.5 ≤0.3 ≤30
Polyurethane coatings ≤700 ≤670 ≤0.5 ≤0.3 ≤30
Phenolic antirust coatings ≤270 ≤270 ≤0.5 ≤0.3