FLORHAM PARK, N.J. - BASF has received approval from the United States Environmental Protection Agency to market its new aliphatic, modified isophoronediamine (mIPDA) chain extender for use in formulating light-stable polyurea coatings. These coatings are used in a variety of applications that range from the sealing of concrete floors to the protection of pickup-truck beds.

Sold under the trade name Polyclear 136, the new product was developed by BASF in close cooperation with The Hanson Group LLC, Duluth, Ga.