Supplier: Ethylenediamine tetraacetic acid (edta), edta disodium (edta-2na), edta tetrasodium (edta-4na, edta-4na), edta-4na solution (40%).Edta-fena•3h2o, ethylenediamine tetraacetic acid calcium disodium complex (edta-ca2na•2h2o), edta-fenh4•2h2o, ethylenediamine tetraacetic acid copper disodium complex (edta-cuna2), ethylenediamine tetraacetic acid zinc disodium complex (edta-znna2), ethylenediamine tetraacetic acid manganese disodium complex (edta-mnna2 )£¬ethylenediamine tetraacetic acid magnesium disodium complex (edta-mgna2 ), triethylene diamine (teda), hydroxyethyl ethlylene diamine (amino ethyl ethanol amine)(aeea), low molecular weight polyamide resin, dmp-30 accelerant, 1-(2-hydroxyethyl)-2-imidazolidinone (hebs lubricant), t31 epoxy resin curing agent, tri(2-hydroxyethy) ethyl isocyanate (theic)£¬ n, n¡¯-dis(1-methylpropyl)-1, 4-benzenediamine, anhydrous piperazine (pip) and activated carbon