It is important to highlight that some of such products are considered as industrial waste materials. Their use as blended products has some environmental and economical benefits, since waste material is not dumped into a garbage deposit, thus increasing their aggregate value.
Cabe anotar, que algunos de estos materiales son considerados residuos industriales y su uso como adición al cemento trae beneficios adicionales ambientales y económicos, al no tener que disponerlos en vertederos ambientales e incrementar su valor agregado.