Color | Colorless Liquid |
Viscosity (ASTM D1084B) |
1.0 cps @ 74°F (23°C) |
Percent of Solids (%) | <38 |
V.O.C | Exempt per CFR 51.1 / Regulation 8 |
RoHS | Compliant |
REACH | Compliant |
Halogens | None |
Thermal Stability. Resin (cured) | 1200°F + (648.8°C +) |
Conical Bond (1/8” Mandrel) (ASTM D522-93a) |
Passed |
Cross Cut Adhesion (ASTM D3359) |
5B |
Specific Gravity (ASTM D891-09) |
0.810 |
Odor (liquid) | Slight Solvent |
Odor (cured) | None |
- Overview
- Technical Data
- Key Performance Properties
- Drying and Coverage Rate
- Supplemental Information
- Common Applications
- Resources
AT 520 – ALPHATEK PRIMER EXTREME
AT 520 - AlphaTek Primer Extreme is a high performance primer specifically formulated for ultra high temperature applications (up to 1200°F/648°C). It is a VOC exempt, solvent-based primer that provides adhesion in a wide variety of demanding environments. It adheres to almost anything and almost anything will adhere to it. AT 520 can be used as a primer on almost any substrate or as an intra-coating adhesive. AT 520 has been formulated for a broad range of uses including automotive exhaust pipes and direct flame contact.
Proudly manufactured in the USA.
- Excellent adhesion to almost any surface
- Creates an intrinsic covalent bond with most substrates.
- Easy to top coat.
- Remains flexible.
- Smooth, semi-clear finish.
- High operating temperature.
- Effective for both hot and cold applications.
- Thin application.
- Excellent coverage rate.
- Easily applied by wipe or spray.
- Ambient cure, short dry time.
- Environmentally friendly.
- VOC exempt.
- RoHS and REACH compliant.
Average Applied Dry Film Thickness | 1 to 3 microns |
Estimated Coverage Rate (@3 microns) |
5,260 ft² (480 m²) per gallon |
Dry Time Before Top Coat (@ 65-70°F / 18-21°C) |
5 – 10 minutes (Average) |
Dry Time (@ 120°F / 48.89°C) | 30 seconds |
AT 520 is compatible with AlphaTek’s complete line of Nano-Ceramic Clear and Color Coatings as well as most commercial coatings found in the market. Contact your AlphaTek representative for more information.
- As a primer to provide adhesion for a topcoat, particularly when the substrate cannot be cleaned of all contaminants prior to coating (e.g. waxes or silicones) or the desired topcoat lacks adhesion.
- Intra-coating adhesive to help the build up of multiple layers of other coating products.