Product Description

GCR 37 is a two component, 70% solids, acrylic polyurethane. This specifically formulated cross-linking, acrylic polyurethane exhibits excellent color and gloss retention, UV resistance and corrosion protection in moderate environments.

Intended Uses:

• Aerospace, Transportation
• Bridges and Structural Steel
• Manufacturing and Processing Plants
• Architectural, Theme Paint, Concrete
• Food Processing and Pharmaceutical
• Storage Tank Exteriors
• Fiberglass, PVC, Masonry, Plastic
• Stainless Steel, Aluminum

Product Characteristics

Note: GCR 37 clear, tinted and metallic coatings can require different application, mixing, drying and reduction methods. Contact manufacturer for specific information on your project.

Resin Type: Acrylic polyurethane

Finish: High gloss (90), semi-gloss (50), satin (25), flat (5)

Colors: Clear, tinted and metallic

VOC: All dispersions are VOC compliant

Flash Point: 100°F

Solids by Weight: Clear: 70% (± 2) / Tinted: 72% (± 2)

Mix Ratio: Varies

Sweat-in-Time: Varies

Reduction: Varies - acetone, SO 660 or SO 575 Reducer

Pot Life: 2 hour @ 70°F

Sample Drying Schedule @ 3 mils wet:

Full Cure: 3 days

Shelf Life: 12 months, unopened @ 45°F to 75°F

Storage: 45°F-90°F: Keep from freezing or prolonged exposure to sunlight and heat. Keep closed during storage.

ASTM Test Results

ASTM Test Results:

Substrate: Steel / Preparation: SSPC-SP6

GCR 42 Epoxy Primer @ 5.0 mils dft

GCR 37 Acrylic Polyurethane @ 3.0 mils dft

Abrasion: ASTM D4060 (CS17 wheel/1000 cycles/ 1kg load) Result = 87.1 loss

Adhesion: ASTM D4541 = 1000 psi

Chemical Resistance: 100 dbl MEK rubs

Direct Impact Resistance: ASTM D2794 = >30 in. lbs.

Dry Heat Resistance: ASTM DD2485 = 200°F

Flammability: ASTM E162 = 1.47

Flexibility: ASTM D4195 = Passes

Hardness: ASTM D3363 = H to 2H

Humidity: ASTM D4585 (100°F/1000 hours) = Passes

Moisture Condensation Resistance:

ASTM 4585 (1000 hours) = passed

Salt Spray: ASTM B117 (1000 hours) = No blistering

Smoke Emissions:

ASTM E662 = Flaming & non-flaming mode @ 1.5 min = 0; Flaming & non-flaming mode @ 4 min = 10 / 1

Thermal Shock: ASTM D2246 (15 cycles) = Excellent

Weathering: ASTM D4587 (QUV-A): 2000 hours

Result = 100% Gloss Retention

Product System Options / Compatibility

Concrete:

GCR 42 Epoxy Primer

GCR 2, 10 or 11 Epoxy Base Coat

GCR 37 Acrylic Polyurethane Top Coat

Masonry:

Block Filler or Sealer

GCR 37 Acrylic Polyurethane Top Coat

Steel:

GCR 47 Primer

Aluminum:

GCR 37 Acrylic Polyurethane Intermediary Coat

GCR 37, GCP 1000 or GCR 57 Top Coat

*systems can vary based on substrate.

Theoretical Coverage Rates

Spread rate is dependent on application method, substrate and anticipated level of use. Apply paint to the following recommended film thicknesses: 2.0-2.5 wet mils / 2 light coats at thinner mils. Theoretical Coverage: 748 sq. ft. @ 2 mils. Below figures are for estimation purposes only. Testing should be completed for accurate figures. Application loss factor is not covered due to surface profile, porosity, application technique, surface irregularities, spillage, climatic conditions or film build:

Packaging Information

All kits are pre-measured and shortfilled by weight. Kits yield the published coverage rates but may vary depending on application method and porosity of surface. Testing will establish coverage rates:

Packaging:

1-gallon base + 1-quart activator + 1 quart of SO 575 Reduces = 1.5 gallons

Weight:

1 gallon base = 10 lbs

1 quart activator = 3 lbs

Contact Information

Technical questions or warranty issues, please contact:

GENESIS COATINGS (800) 533-4273