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SINTRA® Expanded PVC Sheet

SINTRA® Expanded PVC Board – The Industry Standard for Premium Rigid Substrates

Made from moderately expanded, closed-cell polyvinyl chloride (PVC) with a low-gloss satin finish, this premium rigid substrate delivers exceptional performance for demanding signage, display, and fabrication applications.

Engineered to outperform conventional PVC materials, SINTRA® offers outstanding print results and enhanced durability for mounting and dimensional graphics. Its closed-cell structure balances lightweight handling with rigid strength, making it the preferred choice of designers, fabricators, and sign makers for premium displays.

The SINTRA® Collection: Four Product Lines for Every Application

  • SINTRA® Original: Premium high-performance PVC board for applications demanding superior printability and durability.
  • SINTRA® VERS: Lighter weight board optimized for general-purpose and high-volume jobs with fast turnaround.
  • SINTRA® ECLIPSE: White surface over black core for elegant, no-edge-finishing displays.
  • SINTRA® CONSTRUCT: Enhanced rigidity and screw retention for mechanical assembly and fixtures.


What Makes Sintra?

  • Premium Bright Surface: Low-gloss satin finish delivers accurate color reproduction for digital and screen printing.
  • Superior Durability: Excellent dent and scratch resistance for high-traffic and demanding environments.
  • Lightweight Yet Rigid: Closed-cell structure balances ease of handling with structural strength.
  • Heat Formable: Creates dramatic 3D shapes without compromising surface quality.
  • Chemical Resistance: Withstands moisture, acids, bases, and common cleaning agents.
  • Consistent Quality: Manufactured to tight tolerances for flat, even sheets.
  • Excellent Machinability: Cuts, routes, drills, and fabricates with standard woodworking tools.
  • Fire Performance: Self-extinguishing; Class A (ASTM E-84) in gauges ≤ 5 mm.
  • Color Options: Standard bright white and black; custom colors available.
  • Made in the USA: Produced at 3A Composites USA facilities with four decades of expertise.
 

Product Specifications

SpecificationDetails
Material CompositionModerately expanded, closed-cell PVC
Surface FinishLow-gloss satin
Available ColorsBright white, black; custom colors
Thicknesses (Original)1 mm, 2 mm, 3 mm, 4 mm, 5 mm, 6 mm, 10 mm, 12.7 mm
Thicknesses (VERS)3 mm – 6 mm
Thicknesses (ECLIPSE)3 mm, 6 mm, 12.7 mm
Thicknesses (CONSTRUCT)6 mm, 10 mm, 13 mm, 19 mm
Sheet Sizes48″×96″, 60″×120″, 2 m×120″ (varies by line)
Density~0.55–0.75 g/cm³
Fire RatingClass A (ASTM E-84) in gauges ≤ 5 mm
Max Service Temp140°F (60°C)
Heat Forming Temp240°F–320°F (115°C–160°C)
Print CompatibilityDigital UV, screen printing, vinyl application
Chemical ResistanceExcellent vs. moisture, acids, bases, cleaning agents
UV ResistanceGood for indoor; limited outdoor
 

Applications

  • High-End Signage: Premium interior/exterior signs with vibrant graphics and professional finish.
  • Retail POP/POS Displays: Lightweight structural displays for counters and freestanding units.
  • Exhibition Graphics: Transportable panels that withstand multi-day events.
  • 3D Displays: Heat-formed shapes for environmental graphics and dimensional logos.
  • Fixtures & Kiosks: SINTRA® CONSTRUCT variant for screw-retained retail fixtures.
  • Museum & Gallery: Archival-quality displays with exceptional visual clarity.

Printing & Fabrication Capabilities:

Printing Options

  • Digital UV: Exceptional color gamut and adhesion on satin surface.
  • Screen Printing: Sharp detail, vibrant spot and multi-color designs.
  • Vinyl Application: Smooth surface for strong vinyl adhesion.
  • Painting: Accepts acrylics and specialized sign paints.

Fabrication Techniques

    • Cutting & Routing: Clean edges with table saws, panel saws, CNC routers.
    • Heat Forming: Mold curves/shapes at 240°F–320°F (115°C–160°C).
    • Drilling & Fastening: Pre-drill for screws; CONSTRUCT optimized for retention.
    • Laminating & Mounting: Bond sheets or apply adhesives and tapes.
    • Edge Finishing: Route, sand, or paint edges for polished look.
 
How does SINTRA® compare to other PVC brands?

As the original expanded PVC with 30+ years’ leadership, SINTRA® offers uniform cell structure for superior printability, durability, and dimensional stability versus generic alternatives.

What are the four SINTRA® product lines?

The SINTRA® Collection includes ORIGINAL (premium), VERS (lightweight), ECLIPSE (white over black), and CONSTRUCT (mechanical assembly)—each engineered for distinct applications.

Is SINTRA® suitable outdoors?

Designed primarily for interior use; suitable for short-term outdoor. For extended outdoor, apply UV-resistant coatings or choose exterior-rated materials like DIBOND®.

Which printing methods work best?

Direct UV printing delivers top performance on the satin surface; screen printing and vinyl application also yield excellent results. Ensure clean surface before printing.