When your vinyl project calls for more than just good looks, when it requires strong adhesion, lasting performance, and the ability to cover up existing graphics, Orajet® 3641 delivers. This durable, calendered PVC film features a grey, permanent adhesive that provides exceptional opacity, making it a go-to solution for rebranding, overlays, and installations on darker or outdated surfaces.
What Is Orajet® 3641?
Orajet® 3641 is a 3 mil, calendered vinyl designed for medium-term indoor and outdoor signage. While it shares some similarities with Orajet® 3640, 3641 offers greater opacity thanks to its grey backing, effectively preventing show-through and giving your graphics a clean, vibrant finish.
Whether you’re applying new decals over old graphics or printing signage for surfaces that need complete coverage, Orajet® 3641 ensures a professional look with minimal prep.

Key Features:
- Material: Calendered PVC Film
- Thickness: 3 mil
- Finish: Available in Gloss or Matte White
- Adhesive: Permanent, solvent-based grey adhesive
- Opacity: High. Blocks underlying colors and graphics
- Print Compatibility: Solvent, Eco-Solvent, Latex, and UV
Why the Grey Adhesive Matters:
One of the standout features of Orajet® 3641 is its grey adhesive backing, designed specifically for applications where surface color needs to be blocked out. This makes it an ideal choice for:
- Covering old signage
- Rebranding without surface removal
- Applying to colored or dark surfaces
The result? Clean, vibrant graphics that aren’t affected by what’s underneath.
Common Applications:
- Medium-term outdoor signs and decals
- Storefront graphics and window displays
- Real estate signage and political campaign signs
- Flat-surface fleet graphics
- Indoor murals or wall graphics
- General promotional graphics where light-blocking is important
Application Tips:
- Best suited for flat surfaces. Not for curves or vehicle wraps
- Use lamination for added protection from UV rays and abrasion
- Apply to clean, dry surfaces for best results
- Not designed for repositioning. Measure twice, install once

Ideal For:
- Installers working over old decals or bold surface colors
- Brands looking for budget-friendly upgrades
- Sign shops needing a dependable vinyl for indoor and outdoor use
Why Choose Orajet® 3641?
Orajet® 3641 strikes an ideal balance between performance and price. Its grey adhesive sets it apart, giving installers and printers the ability to cover up outdated graphics without worrying about show-through or color distortion.
For projects where visual clarity, long-term hold, and affordable pricing matters, especially when rebranding or layering over existing surfaces, Orajet® 3641 is the smart, reliable solution.
Need help choosing the right vinyl? Visit us at GoodGuysSigns.com or give us a call at (813) 447-4770. We’re here to help you find the best material for your next sticker, sign, or decal job.