Epoxy.com Product #461 High Solids Aliphatic Urethane

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Epoxy.com Product #461

Heavy Duty Duel Component Chemical and Abrasion Resistant Aliphatic Urethane

Ultra High Solids Aliphatic Urethane for the Most Demanding Jobs


Epoxy.com Product #461 Ultra High Solids Aliphatic Urethane is a two component, chemical resistant, ultra high solids aliphatic polyurethane coating designed to be used where there is high traffic and high abrasion resistance required. Epoxy.com Product #461 is a low VOC, compliant urethane that meets all federal and state environmental air quality standards. The high gloss or satin finish offers excellent abrasion resistance, chemical and stain resistance.

Epoxy.com Product #461 Ultra High Solids Aliphatic Urethane 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, restrooms, vehicle maintenance facilities, and numerous other applications. Available in clear and pigmented, Epoxy.com Product #461 can be used as a finish coating option for most Epoxy.com FLOORING SYSTEMS. The Epoxy.com Product #461 is for use in high traffic/high wear applications.


  • Excellent Abrasion Resistance
  • Excellent Chemical and Stain Resistance
  • Suitable for Both Exterior and Interior Applications
  • May be Used for Both Horizontal and Vertical Applications
  • Compliant to Low VOC Air Regulations, Low Odor


  • Substrate moisture testing and preparation is required as outlined in the Epoxy.com Surface Preparation Procedures
  • Substrate must be free of dirt, waxes, curing agents, and other foreign materials
  • Minimum/Maximum Application Temperature: 50°F/90°F
  • Minimum/Maximum Relative Humidity: 30%/90%


Epoxy.com Product #461 Ultra High Solids Aliphatic Urethane is two, three or four component, catalyzed, chemical resistant, moisture cure aliphatic polyurethane.



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.


Epoxy.com Product #461 Ultra High Solids Aliphatic Urethane is normally applied with a brush, short nap roller, or squeegee and back-rolled very thoroughly with a short nap roller. Care should be taken to minimize the entrapment of air caused by over-rolling. Apply material within the recommended thickness range and allow to cure tack free prior to top coating. Do not thin material.

Epoxy.com Product #461 Ultra High Solids Aliphatic Urethane must be aggressively sanded prior to application of a second topcoat.

Epoxy.com Product #461 Ultra High Solids Aliphatic Urethane is a moisture cure urethane, relative humidity will significantly affect cure speed. Refer to Installation Instructions document for important additional details.


Clean Epoxy.com Product #461 Ultra High Solids Aliphatic Urethane off skin with soap and water. Tools and equipment should be cleaned with xylene or lacquer thinner.


Epoxy.com Product #461 Ultra High Solids Aliphatic Urethane will yield 2.9-3.2 mils dry film thickness when spread at 450-500 ft2 per gallon.

Epoxy.com Product #461 Pigmented will yield 3.0-3.3 mils dry film thickness when spread at 450-500 ft2 per gallon.


Epoxy.com Product #461 Ultra High Solids Aliphatic Urethane is available in Clear (gloss or satin) with optional Urethane Pigment Packs in Epoxy.com Urethane Standard Colors or custom colors subject to lab approval and minimum quantities.


Hardness(ASTM D 3363 Pencil)2H to 3H
Abrasion Resistance ASTM D 4060(Taber Abraser 1000 gm. load per wheel)10-20 mgs./1000 cycles, CS-17 Wheel
Solids Content (by volume) 90% Clear
93% Pigmented
Volatile Organic Content (VOC)100 g/L
         VOC Compliant in all U.S. states, except Los Angeles SCAQMD counties
Dry Film Thickness 2.8-2.9 mils @ 500 square feet per gallon application thickness

CURE/DRY TIME (Applied at 450-500 square feet per gallon)

Pot Life2 hours @ 75°F, 50% RH
Re-Coat (must sand first coat) 8-10 hours @ 75°F, 50% RH
Light Service (foot traffic) 16-24 hours @ 75°F, 50% RH
General Service (vehicle traffic) 72+ hours* @ 75°F, 50% RH
*varies by temp and RH
Full Cure and Maximum Resistance to Staining 5-7 days* @ 75°F, 50% RH
*varies by temp and RH


Epoxy.com Product #461 Ultra High Solids Aliphatic Urethane is easily cleaned with neutral soaps or detergents.




Acetic Acid-5%L
Acetone L
Betadine R
Beer R
Bleach L
Brake Fluid R
Citric Acid-30% R
Citric Acid-40% L
Crude Oil R
Diesel Fuel R
Ethylene Glycol R
Fatty Acids L
Gasoline R
Hydrochloric Acid-15% R
Iodine R
Lactic Acid-15% R
Methyl Ethyl Ketone L
Nitric Acid-10% R
Orange Juice R
Peroxide-35% R
Phosphoric Acid-85% L
Skydrol R
Sodium Hydroxide-50% R
Sulfuric Acid-20% R
Toluene R
Urea R
Vinegar L
Xylene R
R-Recommended for continuous service.
L-Limited Recommendation, occasional spills with frequent cleaning.
*-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 - Over 33 years
Florida & Vermont

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

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                         Katey Fontaine, VP - Customer Service Director

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

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                         Debby Lambert, CEO, and CFO

352-489-1625   Fax line to all Departments

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This information is presented in good faith to assist in determining whether this product is suitable for application. No warranty or representation, however, is intended or made, nor is protection from any law or patent to be inferred, and all patent rights reserved.

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