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Epoxy.com Product #441

High Solids Urethane Coating and Sealer Resin - Very Low VOC


Product  # 441 High Solids Urethane Coating and Sealer Resin with very low VOC is a two component water-based aliphatic (non-yellowing) polyurethane. Epoxy.com  # 441 is free of the health and environmental problems normally found in solvent-based urethanes, while maintaining excellent performance properties. The very low VOCs allows this urethane coating to meet the strict low VOC standards. Epoxy.com  # 441 Polyurethane Coating and Sealer provides a matte finish.

Product #441 water-based urethane coating and sealer has good chemical, stain, and mar resistance. In addition, it’s easy to clean and has excellent color retention under heavy foot traffic. Epoxy.com  # 441 Water-based Urethane is a high performance coating for use in a variety of seamless floor and wall coating systems. Epoxy.com  # 441 Urethane Coating and Sealer eliminates the strong solvent odor normally associated with many high performance materials. It’s ideal for topcoats and finishes that require high abrasion resistance. Typical application areas are clean rooms, hospitals, pharmaceutical facilities, stained concrete, wood floors, and as a seal coat for most Epoxy.com  floor and wall coating systems.


  • Low VOC
  • Low Odor
  • Fast Cure
  • Excellent Adhesion
  • Excellent Abrasion Resistance



  • Allow material to rest for 15-20 minutes for viscosity adjustment.
  • Application rate is 250-275 square feet per gallon. Thicker films will show bubbling in the cured film.
  • Pot life will vary with temperature.
  • Do not mix more material than can be used in 2 hours.
  • Use of non-skid additive is recommended for slip resistance.
  • Larger batches set faster than smaller batches.
  • Potlife of 1 ½ - 2 hrs. is based on temperature not more than 77°F with batch sizes of not more than 1 Quart


Epoxy.com  # 441 is a polyester resin/aliphatic polyisocyanate (duel component polyurethane)


Epoxy.com  # 441 is available in clear and pigmented colors below.

Epoxy.com Epoxy Color Chart HereClick the picture of color card at the side for a larger version of this picture of the color chart.
Please note:  The picture to the right is a photographic reproduction of the color card for this product.  The photo reproduction process and your monitor and/or printer will change these colors.  This chart is to give you an idea of the colors available and not intended for critical color selections.

White and Black is also available.  Additional costs for Blue, Green, Safety Yellow and other safety colors because they contain expensive pigments.

Colors above are for initial color selection only.  If color selection is critical it should be made from physical samples of the material.



Surface Preparation is the most critical portion of any successful resinous flooring system application. All substrates must be properly prepared as outlined on EPOXY.COM. Please contact the technical service department for answers to your questions or visit our website at www.epoxy.com.


Mix only that amount of material that can be used in a two hour period. In hot weather, plan work for the cooler times of the day.

If using less than full units, proportion the amounts carefully and mix for 2-3 minutes using a low speed drill, scraping the bottom and sides of the mixing vessel. DO NOT ADD WATER.


Viscosity will decrease during the first 15-20 minutes at 77°F (faster at higher temperatures). DO NOT ADD WATER.

Apply Epoxy.com  # 441 polyurethane at a spread rate of 275-300 square feet per gallon to achieve 2.0-2.5 mils dry using roller, brush, squeegee or airless sprayer. Thicker application may result in bubbling in the cured film. Recoat time is approximately 3-4 hours at 77°F. Keep a wet edge at all times.

Use with adequate ventilation. Read material safety data sheet before using.


Mixing Ratio – Clear 4 Parts A to 1 Part B by Volume
Solids Content – Clear 43%, by Volume
Volatile Organic Content (VOC) 0.10 pounds/gallon
Pot Life 1 ½ - 2 hrs. @ 77°F, 1 Quart
45 minutes @ 95°F, 1 Quart
Viscosity After 15 Minutes @ 77°F 500-600 cps.
Viscosity After 30 Minutes @ 77°F 600 cps.

DRY TIME @ 77ºF, 50% R.H.

Dry to Touch2 hours
Recoat4 hours
Light Traffic16-24 hours
Full Cure4-5 days


Gloss60° - Clear Matte Finish
Tabor Abrasion, 1,000 gm. load,
1,000 cycles, CS-17 Wheel
45 mg. loss
Impact Strength ASTM-D-2794Direct1 60 in. lbs.
Reverse 160 in. lbs.


You can find more information on Polyurethane Products, and many of our other products at news.epoxy.com.

Proper mixing and installation is critical to the optimal success of all products.  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:

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A Vermont Corporation

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                        Technical Support
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