General Formulations 290 ChalkMark™

Concept® 290 ChalkMark™ vinyl is a 5 mil matte black chalkboard vinyl with a clear high-tack removable adhesive on a 90# liner. ChalkMark™
commonly used to produce decorative vinyl graphics on vinyl cutting equipment and for covering large areas for menu boards or murals.
Concept® 290 ChalkMark can be used to create promotion graphics, menu boards, point of purchase graphics and decorations for bedroom walls.
ChalkMark™ is not designed for coated/sealed/treated stainless steel, brass or bronze surfaces.

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Adhesion	To stainless steel 20 Oz. / Inch. PSTC-101 Method A with 24 hour dwell at 70° F and 50% relative humidity. Typical values. Individual values may vary. Test thoroughly before production.
Expected Durability	Interior application only.
Humidity Resistance	Excellent
Removability	Clean removability from smooth painted drywall up to 1 year.
Storage Stability	One year shelf life stored at 70° F and 50% relative humidity.
Temperature Ranges	Minimum application temperature +40° F. Service temperature -40° F to +200° F.
Thickness	Film 5 mil. Adhesive 0.8 to 1.0 mils Liner 6.5 mils (Thickness variation +/- 10%)
Water Resistance	Excellent