4,4'-Diaminodiphenylmethane
http://www.cosmoscience.org/shop/fm-3b-m0220-44-diaminodiphenylmethane-74846
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4,4'-Diaminodiphenylmethane (DDM) for polyurethane, epoxy hardeners, and advanced polymer applications. Industrial-grade and lab-ready. Keywords: epoxy curing agent, aromatic diamine, polymer synthesis.
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