Sherwin-Williams Aerospace's new Chrome Free Primer/ Surfacer is the only combination primer/surfacer available to the aerospace market. Not only is it chrome free, but it allows painters to eliminate steps in the painting process and decrease the amount of time needed to complete a paint job. Provides corrosion protection without the use of chromate. This product can be used as both a primer and surfacer. One product for both types of application. Flows out to a nice, smooth surface. Designed to meet the performance criteria set forth in MIL-P-23377, Type 1, Class N and Boeing BMS 10-79. Great sanding characteristics. Contains less than 2.9 pounds of VOC per mixed gallon or 350 grams per liter. For more information visit www.swaerospace.com or call (888)888-5593.