Home Display Materials Polyimide (PI) material 2,2′-Dimethyl-[1,1′-biphenyl] -4,4′-Diamine (M-Tolidine) 2,2′-Dimethyl-[1,1′-biphenyl] -4,4′-Diamine (M-Tolidine) CAS: 84-67-3 Category: Polyimide (PI) material Related products 4,4′-Oxydiphthalic anhydrideCAS: 1823-59-2 Polyimide (PI) material Pyromellitic Dianhydride (PMDA)CAS: 89-32-7 Polyimide (PI) material 6,6′-Diaminodiphenylmethane-3,3′-dicarboxylic acid (MBAA)CAS: 7330-46-3 Polyimide (PI) material 3,5-Diaminobenzoic acid (DABA)CAS: 535-87-5 Polyimide (PI) material