Kinetic scientific studies have proven the reactivity of the principal amine for being close to double that from the secondary amine. Usage of a difunctional or polyfunctional amine kinds A 3-dimensional cross-linked network. A fundamental molecular comprehension of epoxy yellowing was obtained, when Krauklis and Echtermeyer found the mechanistic origin https://www.propanraya.com/id/produk/epoxy-fast-dry