... structure, Chenhua D-400 polyetheramine is a difunctional, primary amine with average molecular weight of about 400. The primary ... pale yellow with slight hazeColor,Pt-Co:≤100Primary amine,%of total amine:≥97Total acetylatables,m mol/g:4.20-4. ... toughness2) Used in polyurethanes, polyureas, and thermoplastic polyamide adhesives3) Salts may be formed for use in cutting fluidsPackage, transportation and ...