Epoxy.com Product #661 Vinyl Ester Novolac Binder

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Epoxy.com Product #661

Vinyl Ester Novolac Binder


Epoxy.com Product VINYL ESTER BINDER is a clear, 100% reactive, vinyl ester novolac used to coat or line concrete or steel surfaces in chemically aggressive industrial environments. It is used for coating primary and secondary containment, trenches, troughs, pump pads, and equipment.


  • Excellent resistance to a wide range of chemicals.
  • High temperature performance; in many cases up to 350°F (spills) or 400°F (dry heat).
  • Application by conventional painting techniques.
  • Best overall performance coating for secondary containment.
  • Self-extinguishing in thin films.


  • Substrate temperature must be a minimum of 50°F.
  • Substrate must be free of dirt, waxes, curing agents, and other foreign materials.
  • Substrate must be completely dry.
  • Requires skilled installers to assure successful results.


Two-component peroxide cured vinyl ester novolac.



Surface Preparation is the most critical portion of any successful resinous flooring system application. All substrates must be properly prepared as outlined in Epoxy.com Surface Preparation Guide


Observe all precautions on MSDS and label when using this product. Mix 3-4 oz. Part B per gallon with Part A with a low speed drill for at least two (2)minutes. For spray application, add up to 1 quart Styrene per mixed gallon, if needed.

Apply by roller, brush, or spray. Use a nylon or natural bristle brush or a good quality medium nap roller. Can be sprayed with airless or conventional spray.


Clean skin with soap and water; use MEK, xylene, or clean proprietary epoxy thinners for equipment.


160 square feet per gallon yields 8 mils DFT due to shrinkage during cure. Two coats are recommended for general service, as a coating.


Epoxy.com Vinyl Ester Binder is available in Clear.


Typical Performance Properties

Tensile StrengthASTM D-63811,000 psi
ElongationASTM D-6382.0-3.0%
Adhesion to MetalASTM D-6382,500 psi
Adhesion to ConcreteACI COMM #403350 psi (concrete fails)
HardnessASTM D-224085 (Shore D)
Abrasion ResistanceASTM 406026-28 mg. loss (CS-17 wheel,
  1 kg load,1000 cycles)
Service Temperature320°deg;F (immersion)400°F (dry heat)


Gloss; 60°High Gloss
Weight/Gallon8.7 lbs., mixed
Solids Content100%
Mix Ratio32A:1B by volume
Pot Life45 min. @ 75°F (3 gallon kit)
Viscosity600 cps, mixed approx.
Shelf Life2 months, maximum
Re-Coat5-8 hours @ 70°F*
Foot Traffic8-12 hours
Full ChemicalCure 3-5 days
*Shorter recoat times affect gloss.



Acetic Acid-75% R
Acetone L
Acrylic Acid-25% R
Citric Acid R
Chromic Acid-20% R
Diesel Fuel R
Ethylene Glycol R
Fatty Acids R
Gasoline R
Hydrochloric Acid-37% R
Lactic Acid R
Methyl Ethyl KetoneL
Nitric Acid-50% R
Phenol L
Sodium Hydroxide-50% R
Sulfuric Acid-70% R
Toluene R
Urea R
Vinegar R
Xylene R
R-Recommended for continuous service.
L-Limited Recommendation, occasional spills.
*-May cause slight stain or discoloration.

Proper mixing and installation is critical to the optimal success of all product.  See Installation Tips, Techdata, & MSDS for more details on our products.  Be sure to contact us with any questions and/or concerns that you have.

For more information please contact:

A Division of Epoxy Systems, Inc
20774 W. Pennsylvania Ave.
Dunnellon, Florida 34431
Hundreds of Systems,
Since 1980 - 35 years
Florida & Vermont

Customer and Technical Support Hours: 9AM-4PM Eastern Time (6AM-1PM Pacific Time).
Closed 12 Noon-1PM Eastern Time for Lunch

321-206-1833  Customer Service - Ordering and Order Status
                         Katey Fontaine, VP - Customer Service Director

                        Technical Support
352-533-2167  Norm Lambert, President - Technical Support Director 

352-489-1666  Accounting and Administration
                         Debby Lambert, CEO, and CFO

352-489-1625   Fax line to all Departments

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