Product #668 Conductive Epoxy Primer is a water-based, two component, carbon-filled conductive epoxy primer designed for use with various Epoxy.com Conductive Systems. Product #668 has very low odor making it suitable for use in occupied buildings.
Surface Preparation is the most critical portion of any successful resinous flooring system application. All substrates must be properly prepared and tested for moisture as outlined in installation proceedures or as recommended by Epoxy.com.
Product #668 Conductive Epoxy Primer:
PART A 1 quart to
PART B 3 quarts
to
Clean Water 8 volume ounces (6% by volume of water)
Total 4.125 quarts
Coverage (250 square feet/gal.) 265.6 square feet per batch
Pre-mix Product #668 Conductive Epoxy Primer part B prior to combining with part A. Mix 1 part A with 3 parts B for 2-3 minutes with a low-speed jiffy mixer, scraping sides and bottom of mix vessel. Continue mixing and add 6% by volume clean potable water and continue mixing for 1 additional minute.
Immediately spread and backroll mixed Product #668 Conductive Epoxy Primer at a rate of 250 ft2 per gallon with a short nap roller over previously applied non-conductive epoxy primer/basecoat. Care should be taken to avoid puddles. Allow to cure minimum 12 hours (at 75°F) to maximum 24 hours before coating with specified topcoat.
Important: Test Product #668 Conductive Epoxy Primer with ohm meter prior to topcoating to confirm acceptable level of conductivity is achieved. If test readings are higher than 25,000 ohms, contact Epoxy.com Technical Support Department for further instructions before installing specified topcoat.
Top Coat with a conductive topcoating like Product #1ESD, or Product #630 Conductive.
Clean skin with soap and water. Tools and equipment should be cleaned with warm soapy water, xylene or lacquer thinner. Consult Material Safety Data for safety and health precautions.
Waterborne Epoxy Resin and Conductive Filler. Color: Black.
Product #668 Conductive Epoxy Primer applied at 250 ft2 per gallon yields 2.7 mils dry film thickness.
| Viscosity | 500-1000 CPS |
| Mixing Ratio | 1 Part A to 3 Parts B by Volume |
| Solids Content, by volume | 45%, thinned |
| Volatile Organic Content (VOC) | <10 g/L |
| Bond Strength to Concrete | 300-400+ psi (100% concrete failure) |
| Shelf Life | 6 months when properly stored |
| Pot Life | 20-30 minutes |
| Dry to Touch | 6-8 hours |
| Recoat (Refer to testing requirements) | 12-24 hours |
| Light Traffic | 24 hours |