• BAPP – information sheet (Benzenamine, 4,4' -[(1-methylethylidene)bis(4,1-phenyleneoxy)]bis-)
• Guanidine, N,N'-diphenyl- (Diphenylguanidine or DPG)
• Carbon black
• Cristobalite and quartz
• 2-Cyclohexen-1-one, 3,5,5-trimethyl- (Isophorone)