High Teck 7503-4 Catalyst for Epoxy PrimerHigh Teck 7500 Series Epoxy Primers are high build Epoxy Primers with multiple VOC capabilities, depending on the catalyst and reducer used. Formulated for excellent adhesion and corrosion resistance when used on various types of substrates including prop Features High build epoxy primer surface Multiple VOC capabilities, depending on the catalyst and reducer used. Excellent adhesion and corrosion resistance Used on various types of substrates