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DOWNLOADS:
Compliances
ASTM C881-90, Type III, Classes B & C
Meets USDA specifications for use in food-processing areas
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A solvent-free, moisture-insensitive, 100% solids, low-modulus, two-component bonding agent. Meets ASTM C881, Type III, Grade 1, Classes B & C. Also meets USDA specifications for use in food processing areas.
Excellent for use as a binder for concrete skid-resistant overlays on bridges and elevated slabs.
Features
Meets AASHTO-AGC-ARTBA
Excellent bond strength
Moisture insensitive, nonflammable
High early strength
Easy to mix - 1:1 ratio
Low modulus, low viscosity
Link to product TEST DATA
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Usage
- Bonding skid-resistant overlays to bridges and elevated slabs
- For use in epoxy mortar for patching
- For use as a low-modulus bonding agent
Coverage
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Minimum Epoxy & Aggregate Coverage Rates
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Epoxy Rate
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Aggregate Rate
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Course 1
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1 gal./40 sq. ft. (1 L/sq. M)
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10 lbs./sq. yd. (5.4 kg/sq. M)
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Course 2
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1 gal./20 sq. ft. (2 L/sq. M)
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14 lbs./sq. yd. (7.6 kg/sq. M)
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Mortar Coverage Rates
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Mixed Epoxy/Aggregate Rate
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1 gal./808 cu. in. (3.8 L/317 cu. cm)
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Packaging
1 gal./3.8 L units (two .5 gal. cans)
2 gal./7.6 L units (two 1 gal. cans)
10 gal./37.9 L units (two 5 gal. pails)
110 gal./416.4 L units (two 55 gal. drums)
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Application
Bonding Skid-Resistant Overlays:
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1
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Repair delamination, potholes and cracks with PRO-POXY 2500.
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2
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Clean surface by shot blasting to remove all contaminants. Remove dust and debris by blowing off with oil-free compressed air.
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3
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See Limitations for required minimum product and application temperatures. Mechanically mix component A with component B 1:1 by volume with Jiffy type mixer and low-speed variable drill at 300 rpm for a minimum of 3 minutes. Mix only the quantity that can be used within its gel time.
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4
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Apply neat PRO-POXY Type III DOT by notched squeegee at the specified rate.
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5
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Broadcast select aggregate to refusal. The aggregate should be angular grain silica sand or basalt having less than 0.2% moisture and free of dirt, clay, etc. The silica sand or basalt should have a minimum Mohs scale hardness of 7 unless otherwise approved.
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6
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After initial cure of first course, remove excess aggregate. Do not open to traffic.
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7
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Apply second course of epoxy and aggregate. Remove excess aggregate. Allow to cure following the table below. Open to traffic.
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Minimum Curing Times of PRO-POXY Type III DOT Overlay
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Average Temperatures of Overlay Component & Substrate (See Limitations for minimum temperatures)
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Min. Cure Time
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60-64°F
16-18°C
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65-69°F
19-21°C
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70-74°F
22-23°C
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75-79°F
24-26°C
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80-84°F
27-29°C
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85+°F
29+°C
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Course 1
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4 hrs
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3 hrs
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2.5 hrs
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2 hrs
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1.5 hrs
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1 hr
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Course 2
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5-6 hrs
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5 hrs
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4 hrs
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3 hrs
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3 hrs
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3 hrs
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Resin Properties
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Laboratory Tests
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Results
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ASTM C881 Specifications
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Mix Ratio
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1:1 by volume
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--
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D-695 Compressive Modulus
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80,000
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130,000 maximum
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D-638 Tensile Strength
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3,000 psi
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--
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D-638 Tensile Elongation
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50%
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30% minimum
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C-882 Bond Strength (14-day cure)
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3,200 psi
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1,500 psi minimum
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D-570 Absorption
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0.2%
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1.0% maximum
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C-881 Gel Time
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15 minutes
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--
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C-881 Brookfield Visc RV3 at 20 rpm
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1,425 cps
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2,000 cps maximum
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D-2240 Shore D Hardness
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69
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--
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C-883 Shrinkage
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Pass
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Pass
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C-884 Thermal Compatibility
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Pass
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--
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AASHTO-T-277 Chloride Ion Permeability
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0.9 coulombs
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--
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Grout Properties
Sand to resin – 3.5:1 by volume
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Laboratory Tests
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Results
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ASTM C-881 Specifications
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C-579 Compressive Strength 3 hrs (2)
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1,100 psi
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N/A
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C-579 Compressive Strength 24 hrs (2)
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7,500 psi
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N/A
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C-579 Compressive Strength 48 hrs, moist cure (2)
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7,000 psi
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N/A
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1 Class B
2 C-579 Method B with plastic inserts
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Limitations
Not for use on exterior slabs on grade subject to freezing.
Do not thin with any solvents.
PRO-POXY TYPE III DOT is a vapor barrier after cure.
Minimum age of concrete must be 28 days before applying as an overlay.
Minimum age of concrete must be 5-7 days, depending on curing and drying conditions before applying as a mortar.
Minimum substrate and ambient temperature should be
55°F and rising by 10am.
Minimum epoxy temperature should be 65°F before
application.
Shelf Life - 2 years in original unopened container.
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Cleanup
EQUIPMENT: Uncured material can be removed with Unitex CITRUS CLEANER or other approved solvent. Cured material can only be removed mechanically.
MATERIAL: Collect with absorbent material. Flush area with water. Dispose of in accordance with local, state and federal disposal regulations.
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First Aid
EYE CONTACT: Flush immediately with water for at least 15 minutes. Contact physician immediately.
RESPIRATORY CONTACT: Remove person to fresh air.
SKIN CONTACT: Remove any contaminated clothing. Remove epoxy immediately with a dry cloth or paper towel. Solvents should not be used as they carry the irritant into the skin. Wash skin thoroughly with soap and water.
CURED EPOXY RESINS ARE INNOCUOUS.
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Cautions
Component A - Irritant
Component B - Corrosive
Product is a strong sensitizer. Use of safety goggles and chemical resistant gloves are recommended.
Use of a NIOSH/MSHA organic vapor respirator is recommended if ventilation is inadequate.
Avoid breathing vapors.
Avoid skin contact.
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