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Polyurethane curing, chain extender
DIETHYL METHYL BENZENE DIAMINE (DETDA) DIETHYL TOLUENE DIAMINE
DIMETHYL THIO-TOLUENE DIAMINE (DMTDA)
4,4'-METHYLENEBIS[N-SEC-BUTYLANILINE] (MDBA)
4-Methyl-1,3'-Cyclohexanediamine（HTDA）
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Polyurethane curing, chain extender
Polyurethane curing, chain extenderPolyurethane curing, chain extender