Mainstay DS-5 FS is designed for use where corrosion is anticipated or known to be moderately aggressive (pH > 1.0, H2S < 100 ppm). Mainstay DS-5 FS is used to coat surfaces that must be placed in immersion in a very short period of time. It is particularly well suited for use as a topcoat over Mainstay ML-72 or Mainstay ML-72F Sprayable Microsilica Mortar.

Mainstay DS-5 FS product data PDF Download our product detail sheet (31 KB, opens in separate window).

Product Overview

Coating Type

100% solids, two-component epoxy coating


2 gallon and 5 gallon kits standard; special packaging available


Approximately 16 square feet per gallon at .1" (100 mils); allowances should be made for waste

Mix Ratio

1 parts A to 1 part B by volume


Off-white; custom colors available upon request

Working Time

Approximately 60 seconds at 80º Fahrenheit

Application Equipment

Contact us for information on the proper equipment to apply this product.