primer epoxy floor neoprene

Does anyone know the difference between a neoprene primer (fball P131) and an acrylic one (setcrete) https://www.f-ball.com/en/product/stopgap-p131-general-purpose-primer/ http://www.setcrete.co.uk/wp-content/uploads/2017/05/technical.acrylicprimer.en_.pdf I have an Epoxy DPM which I blinded...