DDM-2 contains of 4,4 '-diaminodiphenylmethane (55%) and polyamino-polyphenylmethane. The structural formula is as follows:

As an important chemical intermediate, DDM-2 is widely used in the preparation of floor paint, battery glue, electronic potting and sealing glue, curing agent of epoxy resin and chain extender of polyurethane elastomer.

Typical Properties

Appearance: white or light yellow liquid or semi - solid

Viscosity (40℃) : 1000-1500mpas

4,4 '-mda content, %(A/A) ≥50%

Packages: 200kg-220kg/ drum or customized.

Warehouse and Storage: the storeroom should be dry, ventilated and protected from light. It is strictly forbidden to be heated to prevent oxidation.Leakage, sun and rain are strictly prohibited during transportation.

Shelf life: Under the prescribed storage conditions, the shelf life is 1 year. The shelf life exceed the time limit can still be used after the inspection in accordance with this technical index.