The problem with getting superior adhesion to difficult to bond to surfaces like stainless steel and aluminum has been solved
The Technical Support Department here gets many calls from people needing help in selecting the right coatings for a variety of metals and difficult to bond to surfaces. Carbon steel is easy to bond to when it is well sandblasted and you use one of our high end epoxy coatings like Product #2 Chemical Resistant Epoxy. What if the carbon steel cannot be sandblasted and can only be ground? What about stainless steel and other difficult to bond to metals and coatings? Epoxy.com Product #660 Universal Primer and Finish was designed to solve these bonding issues.
Product #660 Universal Primer and Finish is a one component, moisture cured polyurethane aluminum filled primer and coating. Product #660 Universal Primer has a low viscosity, with high “wetting” characteristics, and blistering resistance. This makes Product #660 Universal Primer and Finish a superior primer. It can also be used as a finish coat. Epoxy.com Product #660 Universal Primer and Finish undergoes a rapid molecular weight change as it polymerizes into a high molecular weight finish with excellent corrosion and abrasion resistance.
Epoxy.com Product #660 Universal Primer and Finish is an ideal barrier coat when upgrading existing finishes to strong urethanes, coal tar epoxy, etc. The low solvency power of Epoxy.com Product #660 Universal Primer and Finish enables it to be applied over most types of coatings without causing lifting. A test sample should be made to confirm adhesion. Most generic types of chemical or conventional coatings may be applied over Epoxy.com Product #660 Universal Primer and Finish with excellent adhesion.
Advantages
- Excellent primer for all types of surfaces.
- Superior “wetting out” properties over sound, rusty steel.
- Can be recoated in 1 to 2 hours and can be top coated with most generic type coatings.
- Cures down to 25 degrees F on dry surfaces.
- Service Temperature up to 400 degrees F
- Corrosion resistant: Passes 12,000 hours in salt cabinet.
- Good weather resistance.
Now with Epoxy.com Product #660 Universal Primer you can bond to well sanded (ground) stainless steel, aluminum, and carbon steel that cannot be sandblasted. Product #660 Universal Primer is also effective in bonding to other difficult to bond to metals and many other hard to bond to coatings.
Product #660 can apply 2 coats and use it as a standalone coating. You can apply any of our 100% solids high quality epoxies or vinyl esters over it. The problem with getting superior adhesion to difficult to bond to surfaces like stainless steel has been solved.
Please contact Epoxy.com Technical Support Department at 352-533-2167 with your questions. Epoxy.com Technical Support is dedicated to making sure you have the right product for the right job.
Posted by Norm Lambert 
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