501 CrownFlex is a two-component, paste, 100% solids, semi-rigid modified paste epoxy joint sealant and crack filler. It features a combination of excellent adhesion and elongation not available in general purpose epoxy. It is formulated to provide concrete joint edges and minimizing the deterioration of concrete joint/crack edge to impact. It is used for embedding detector wire loops for traffic signal, electric gates and robotics. 501 CrownFlex should be used to armor the concrete joint edges. It is used on floors, joints and cracks subjected to heavy foot traffic, fork lift traffic and chemical attack, specifically food acids. In addition, it is used in conjunction with 8502 CrownFlex membrane for waterproofing and crack dampening under epoxy coating and flooring systems. It is VOC Compliant in all states and provinces in North America.