Renfert-Scanspray classic is finely-granulated 3D matting spray for extra-oral scanning of shiny or highly-reflective surfaces (e.g., models, primary crowns, frameworks). As well as offering an extra-large can for power users, it is also impressively cost-effective and long-lasting. For best results, shake can upside down for 60 seconds and spray from a distance of 6 inches. Non-Latex