Selecting the Right Epoxy ESD / Conductive Flooring

June 15, 2015

Conductive and Electrostatic Dissipative (ESD) flooring are used on floors in facilities that need protection for stray static discharges. One example of static discharge is when you walk across a carpet in a very dry room in winter then touch a metal object or another person you get that little electrical zap. Most people find this a bit of nuisance. However if you touch a hard drive or a circuit board and create that same discharge you can damage it beyond repair. Worse yet if you get a static discharge in a chemical or munitions plant where there might be a potentially explosive environment the results can be a catastrophic explosion.

What is ESD Versus Conductive?

Conductive floors have between 100,000 and 1,000,000 ohms of resistance. Electrostatic Dissipative (ESD) floors have between 1 million and 1 billion ohms of resistance. Remember Ohms Law:

Ohms_Law

where I is the current through the conductor in units of amperes, V is the potential difference measured across the conductor in units of volts, and R is the resistance of the conductor in units of ohms. More specifically, Ohm’s law states that the R in this relation is constant, independent of the current.

Simply speaking the resistance is the ohms of resistance that we are talking about above. The lower the ohms of resistance the stronger the conductive medium to conduct the static charge away. The lower the ohm of resistance the more efficiently the conductive/ESD flooring carries the static charge safely away. .This is one situation where the smaller the number the better.

How does Conductive and Electrostatic Dissipative (ESD) flooring Work?

Think of your Conductive and Electrostatic Dissipative (ESD) flooring as a grounding rod. A grounding rod is that metal rod that gets driven into the earth to increase the surface area coming in contact with the ground. You then attach your building ground or lightening rod to that grounding rod. The Conductive and Electrostatic Dissipative (ESD) flooring is much like that. It makes the whole concrete surface that the Conductive and Electrostatic Dissipative (ESD) flooring comes in contact with a large grounding plane, acting much like a grounding rod. In some facilities this effect is enhanced even more with the installation of grounding strips that the Conductive and Electrostatic Dissipative (ESD) flooring connects to the grounding rod(s). .

Where do you use Conductive and Electrostatic Dissipative (ESD) flooring?

Typically ESD flooring is used in areas to protect electronics. Conductive is more commonly used where there is the potential for an explosive environment. Most facilities that require ESD flooring can use conductive flooring as well. The reverse is typically not true. Facilities that require Conductive Flooring typically cannot use ESD flooring. The good news is that most Epoxy.com ESD flooring can be made to be conductive by first priming with Epoxy.com Product #671 Conductive Primer Sealer – www.epoxy.com/671.aspx.

Most Commonly Used Conductive and Electrostatic Dissipative (ESD) flooring

Epoxy.com has a wide variety of conductive and ESD flooring systems. Product #671 –www.epoxy.com/671.aspx – for example can be applied with one coat as a primer and one coat as a top-coating creating a highly conductive flooring system at a very low cost.

Product #1ESD – www.epoxy.com/1esd.aspx – is available in 15 colors. It is 100% solids making it an ultra high solids bis-A epoxy floor coating designed to provide electrostatic control properties to various surfaces including concrete or other nonconductive substrates. The use of a conductive primer will transmit conductive readings through ESD (Electrostatic Dissipative) Epoxy Coating for ESD Flooring Epoxy.com Product #1 if applied no thicker than 15 mils.

Product #630 Conductive – www.epoxy.com/630conductive.aspx is a 100% solids epoxy Novolac chemical resistant conductive epoxy floor coating ideal for severe chemical and solvent storage requiring conductive and spark proof surfaces. Applied at a nominal 1/16”, Epoxy.com Product #630 Conductive Novolac Epoxy Chemical Resistant Conductive Floor Coating offers the superior chemical resistance of an Epoxy.com Novolac Epoxy Resin System while maintaining a conductive surface. It also is available in 15 colors

Epoxy.com Product #674 – Electrostatic Dissipative Urethane (ESD) Coating is a two component, Electrostatic Dissipative chemical resistant, polyurethane coating. The high gloss finish offers excellent abrasion resistance, chemical and stain resistance, and superior color retention. Epoxy.com Product #674 – Electrostatic Dissipative Urethane Coating can be used equally well on vertical or horizontal surfaces. It is ideal for concrete floors and walls in warehouses, storage facilities, aircraft hangars, animal housing, and vehicle maintenance facilities. Available in both clear and pigmented formulations, Epoxy.com Product #674 – Electrostatic Dissipative Urethane Coating can be used as a finish coating option for most Epoxy.com Flooring Systems.

Epoxy.com Product #675 Electrostatic Dissipating (ESD) Water Borne Epoxy Topcoat is a pigmented, water emulsion epoxy electro-static dissipative finish designed to have maximum penetration into concrete surfaces to provide high bond strength and adhesion. It has very low odor and can be used in occupied areas as a finish sealer in Thin-Film Electro-Static Dissipative Coating Systems.

Epoxy.com Product #676 Novolac Epoxy Chemical Resistant Conductive Floor Coating is a 100% solids – Zero (0) VOC epoxy Novolac Chemical resistant conductive (anti-sparking) epoxy flooring and floor coating system ideal for severe chemical and solvent storage requiring a chemically resistant conductive and spark resistant surface.

For help in selecting the right conductive flooring system for your application please call technical support at 352-533-2167 or email me at norm@epoxy.com.


New Epoxy.com Electro Static Dissipative Epoxy

September 1, 2010

Epoxy.com announces a new ESD Epoxy Product

New Epoxy Electrostic Dissipative (ESD) Epoxy Coating

Less Expensive, Easier to Use, More Durable


Epoxy.com Product #677

Electro Static Dissipative (ESD) /CONDUCTIVE COATING


DESCRIPTION

Epoxy.com Product #677 is a pigmented, water-based epoxy coating designed to achieve either an electro-static dissipative (ESD) finish or conductive finish by
modifying the underlying system components and thickness. Epoxy.com Product #677 has very low odor making it suitable for use in occupied
buildings and has high bond strength and adhesion to concrete and other surfaces.

ADVANTAGES

  • Durable, Attractive, Chemical Resistant, Non-Porous, Light Reflective Finish.
  • Low Odor during application and cure.
  • Maintains Electrical Conductivity Performance over the Wear Life of the System
  • Fast Dry and Re-coat Time.
  • Easy Clean-up.
  • Provides an ESD finish in the range of 1,000,000 to 1,000,000,000 ohms resistance when used over a non-conductive
    primer/basecoat or a conductive finish in the range of 25,000 to 1,000,000 ohms resistance when used over a conductive primer/basecoat.

CONSIDERATIONS

  • Substrate must be above 50°F and relative humidity below 85% for proper curing.
  • Substrate must be free of dirt, waxes, curing agents and other foreign materials.
  • Excessive moisture in the substrate will require a moisture vapor control treatment.

TYPICAL USES

Concrete floors and walls in electronic component assembly areas, data processing, military/aerospace, pharmaceutical plants,
hazardous industries (dust or explosion hazards). For use in any areas where the build-up of static electricity is a concern or a spark-proof floor is required.

APPLICATION

SURFACE PREPARATION

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 Epoxy.com
Surface Preparation Guidelines.

INSTALLATION

Mix Part B of Epoxy.com Product #677 prior to combining. Mix 1 part Part A with 2 parts Part B. Epoxy.com Product #677 at a rate of 200 ft2
per gallon per coat with a short nap roller. Care should be taken to avoid
puddles. Two coats are necessary to insure uniform coverage.

Epoxy.com Product #677 Thin-Film ESD Epoxy Coating System 12-15 Mils(1,000,000-1,000,000,000 ohms)

Material Qty./ 1000 SF Coverage
1. Epoxy.com Product #899 Epoxy Primer 4-5 gallons 200-250 SF /gallon
2. Epoxy.com Product #677 ESD/Conductive Epoxy Coating 5 gallons 200 SF /gallon
3. Epoxy.com Product #677 ESD/Conductive Epoxy Coating 5 gallons 200 SF /gallon

CLEAN-UP

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.

COMPOSITION

Waterborne Epoxy Resin and Conductive Fillers

COVERAGE

Epoxy.com Product #677, when applied at 200 SF per gallon, yields 5.2 �to 6.0 mils dry film thickness.

TECHNICAL DATA

Viscosity @ 75°F 600-1000 CPS
Mixing Ratio 1 Part A to 2 Parts B by Volume
Solids Content, by volume 50-55%
Volatile Organic Content (VOC) <20 gm/L
Bond Strength to Concrete 400-500 psi (100% concretefailure
Weight per Gallon, mixed 8.75-9.00 pounds per gallon, mixed

CURE/DRY TIME

Pot Life 20-30 min.
Dry to touch 6 hours @ 75°F
Recoat 8-24 hours @ 75°F
Light Traffic 24 hours @ 75°F
�H� Hardness 2 days
�5-H� Hardness 30 days

AVAILABILITY

Contact Epoxy.com Customer Service Department at 321-206-1833

Maintenance

Remove animal fats, oil, grease or soap film promptly to reduce slipperiness. Epoxy.com Product #677 can be cleaned with neutral soaps and detergents.
If long periods of heavy traffic cause wear patterns reapply as need.
Anti-skid materials will reduce the effectiveness of the static dissipative
properties of this material.  Do not use aggressive anti-skids. It is
impossible to get an accurate reading of the conductivity of the floor if
anti-skids are used.

Technical Services

Contact Epoxy.com Technical Support with your questions about this
product at 352-533-2167. Epoxy.com Technical Support Department can help you
with the selection, specification, installation, and maintenance of
Epoxy.com products, or visit http://www.epoxysystems.com.

Norm Lambert
President &
Director of Technical Support
Epoxy Systems, Inc
Available by Phone M-F 9AM-4PM Eastern Time (6 AM – 1 PM Pacific Time)
352-533-2167 (Voice)
352-465-3497 (fax)
norm@epoxy.com

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