Sintra

Sintra

Overview

Sintra is a brand name for a rigid yet lightweight expanded polyvinyl chloride (PVC) sheet. It is widely used in mounting, signage, commercial printing, and occasionally in picture framing applications. Sintra is valued for its durability, smooth surface, resistance to warping, and ability to hold inks, paints, and adhesives effectively. It is available in various thicknesses and colors, though most commonly in white or black.

Applications

• Mounting: Often used as a substrate for mounting photographs, digital prints, and posters due to its rigidity and smooth finish.
• Commercial Printing: Commonly used in direct-to-substrate printing for signage and display panels.
• Framing: Sometimes used as a backing material in custom framing, especially for oversized or heavy pieces requiring additional support.
• Craft and Display: Utilized in exhibitions, trade shows, and point-of-purchase displays because of its lightweight and durable qualities.

Best Practices

• Cut Sintra with precision tools such as a utility knife, panel saw, or CNC router to ensure clean edges.
• Avoid placing Sintra in direct sunlight for extended periods unless UV-stabilized versions are used, as standard PVC can discolor or warp.
• When using for framing, always check for potential off-gassing and avoid direct contact with archival artwork unless isolated by a protective barrier.
• Pair with archival adhesives or mounting methods when used in conservation-level projects.

Related Terms

• Regular Foam Core
• Foam Board
• Backing Board
• Acid Free Foam Core