Shop for Sintra® Expanded PVC sheets. Sintra® expanded PVC sheet is a lightweight, yet rigid, expanded foam polyvinyl chloride. It is used for many visual merchandising and signage applications and is a good substrate for digital and screen printing. Custom cuts and cut-to-size pieces. Expanded PVC comes in many colors. Stocked materials typically ship in 2-5 business days. Can’t find what you need? Get a quote.