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TECHNICAL DATA SHEET I SECTION 3.2
POLYEURO 7851
®
Two Component Aliphatic
Polyurea Protective Coating

Product Description Technical Data
Polyeuro 7851 is a fast setting, rapid curing, 100% solids,
®
flexible, aliphatic, color stable, two component spray polyurea Mix Ratio by Volume 1A : 1B
that can be applied to suitably prepared interior or exterior Pot Life @ 150ºF (65.5ºC), 50% R.H. 10-12 seconds
concrete and metal surfaces. Its extremely fast gel time
makes it suitable for applications down to -20°F (-28.89°C). Tack Free Time 30-45 seconds
It may be applied in single or multiple applications without Recoat Time 0-3 hours
appreciable sagging and is relatively insensitive to moisture
and temperature allowing application in most temperatures. Viscosity at 75-80ºF (23.9-26.7ºC), Brookfield:
Side-A
Polyeuro 7851 offers a tack free time of less than one minute Side-B 1000 ± 200 cps
®
700 ± 200 cps
and exhibits 350% elongation upon curing with 80 Shore A
hardness. Density (Side-A & Side-B Combined) 8.55 lbs/gal
Flash Point > 200°F (93.3°C)
Features
Hardness, ASTM D2240 80 ± 5 Shore A
• Excellent Color Retention Tensile Strength, ASTM D412* 1600 ± 200 psi
• Excellent Thermal Stability 11.03 ± 1.38 MPa
• Good Chemical Resistance Elongation, ASTM D412* 350 ± 50%
• Installed With or Without Reinforcement in Transitional
300 ± 50 pli
Areas Tear Strength, ASTM D624 52.5 ± 8.75 kNm
• Interior or Exterior Applications Service Temperature
• Low Temperature Flexibility Dry -40ºF - 250ºF
• Meets USDA Criteria Wet 40ºF - 120ºF
• No Toxic Vapors VOC Content 0 gm/l
• Seamless *These physical properties from sample sprayed with Graco Foam Cat
• Zero VOC (100% Solids) 200 @ 2000 psi minimum, with Gusmer GX7-400 mechanical purge gun
@ 150-160°F (65°C to 71°C). Different machine and parameter will change
these properties. User should perform their own independent testing as
Typical Uses properties are approximate.
• Cold-Storage Facilities Surface Preparation
• Fertilizer Plants In general, coating performance and adhesion are directly
• Industrial and Manufacturing Facilities proportional to surface preparation. Most failures in the
• Marine Environments performance of surface coatings can be attributed to poor
• Offshore Rigs and Platforms surface preparation. Polyurea coatings rely on the structural
• Paper and Pulp Mills strength of the substrate to which they are applied. All surfaces
must be free of dust, dirt, oil, grease, rust, corrosion and
• Power Plants other contaminants. When coating substrates previously
• Refineries used, it is important to consider the possibility of substrate
• Structural Steel absorption, which may affect the adhesion of the coating
• Walkways and Balconies system, regardless of the surface preparation. Polycoat
recognizes the potential for unique substrates from one project
Packaging to another. The following information is for general reference.
10-gallon kit 5 gallons (18.9 liters) Side-A and 5 For project-specific questions, contact Polycoat.
gallons (18.9 liters) Side-B NEW AND OLD CONCRETE
100 gallon kit 50 gallons (189 liters) Side-A and 50 Refer to SS PC-SP13/NACE 6, or ICRI 03732: CSP 3-5. New
gallons (189 liters) Side-B concrete must be cured for 28 days prior to product application.
Surface must be clean, dry, sound and offer sufficient profile
Colors for product adhesion. Remove all dust, dirt, oil, form release
agents, curing compounds, salts, efflorescence, laitance and
Clear/Neutral. Custom colors are available upon request. other foreign matter by shotblasting and/or suitable chemical
Color Packs, when used, must be added to Side-B. means, in accordance with local chemical regulations. Rinse
thoroughly, to achieve a pH between 8.0 and 11.0. Allow to dry
Coverage completely. If old concrete has a surface that has deteriorated
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Polyeuro 7851 may be applied at any rate to achieve desired to an unacceptably rough surface, Polycoat Products PC-260
thickness. Theoretical coverage for 1 mil (0.254 microns) or a mixture of Polyprime 21 and sand should be used as a
thickness is one gallon per 1600 sqft (3.78 liters per 149 sqm). repair agent for cracks, spalls, bug holes and voids. Upon full
cure of the repair agent, prime the entire surface intended
Estimating Formula: (1600 sqft per gal /Dry Mil Thickness) x for coating.
Solids Content = Application Rate per gallon.

POLYCOAT PRODUCTS TEL 562.802.8834 | FAX 562.921.7363 Section 3.2
info@polycoatusa.com | www.polycoatusa.com