Page 83 - Polycoat 10.2 Technical Data Sheet Polycaulk 82

TECHNICAL DATA SHEET
POLYEURO 8245
®
Two Component Aromatic Polyurea Protective Coating

Product Description
Polyeuro 8245 is designed for acid and base environments Technical Data (Based on Draw Down Film)
®
and is a fast set, rapid curing, 100% solids, flexible, aromatic, Mix Ratio by Volume 1A : 1B
two component, spray polyurethane polyurea that can be Pot Life @ 160ºF (65.5ºC), 50% R.H. 4 - 6 seconds
applied to suitably prepared concrete and metal surfaces.
Its extremely fast gel time makes it suitable for applications Tack Free Time (thickness & substrate 60 - 80 seconds
down to -20°F (-28.89°C). It may be applied in single or multiple temperature dependent)
applications without appreciable sagging and is relatively Recoat Time 0 - 2 hours
insensitive to moisture and temperature allowing application Viscosity cps at 150-160°F (65.5-71°C)
in most temperatures. Side-A 200 ± 20
Features Side-B 500 ± 20
• Coats Most Metals without Primer Density (Side-A & Side-B Combined) 8.75 lbs/gal
• Excellent Acid & Base Resistance 1050 kg/m³
> 200°F
• Excellent Acid & Base Resistance Flash Point (93.3°C)
• Excellent Thermal Stability
• Extremely Low Permeance Rate Hardness, ASTM D2240 50 ± 5 Shore D
• Installed With or Without Reinforcement in Transitional Tensile Strength, ASTM D412* 2000 ± 200 psi
Areas (13.79 ± 1.37 MPa)
• Low Temperature Flexibility Elongation, ASTM D412* 80% ± 20%
• Meets USDA Criteria Tear Resistance, ASTM D412* 300 ± 50 pli
• Seamless (52.5 ± 8.8 kNm)
Service Temperature - Dry -40°F to 250°F
Typical Uses -40°C to 121°C
• Cold-Storage Facilities Service Temperature - Wet 40°F to 120°F
• Fertilizer Plants 4.44°C to 48.89°C
• Food-Processing Plants Water Vapor Transmission ASTM E96 0.88 Perm
• Marine Environments *These physical properties from sample sprayed with Graco EXP2 @ 2000 psi minimum, with
• Mining Operations Fusion Gun AP4242 @ 150-160°F (65°C to 71°C) blistering. Color change, gloss reduction &
• Paper and Pulp Mills chalking are noted. Different machine and parameter will change these properties. User should
perform their own independent testing as properties are approximate.
• Power Plants
• Refineries Surface Preparation
• Secondary Containment In general, coating performance and adhesion are directly
proportional to surface preparation. Most failures in the
• Structural Steel performance of surface coatings can be attributed to poor
• Water and Waste Water Treatment surface preparation. Polyurea coatings rely on the structural
Packaging strength of the substrate to which they are applied. All surfaces
must be free of dust, dirt, oil, grease, rust, corrosion and other
contaminants. When coating previously used substrates, it is
10-gallon kit 5 gallons (18.9 liters) Side-A and 5 important to consider the possibility of substrate absorption,
gallons (18.9 liters) Side-B which may affect the adhesion of the coating system,
regardless of the surface preparation. Polycoat recognizes
100-gallon kit 50 gallons (189 liters) Side-A and 50 the potential for unique substrates from one project to another.
gallons (189 liters) Side-B The following information is for general reference. For project-
specific questions, contact Polycoat.
Colors
Black and Grey. Custom colors are available upon request. NEW AND OLD CONCRETE
Refer to SSPC-SP13/NACE 6, or ICRI 03732: CSP 3-5. New
Color Packs, when used, must be added to Side-B.
concrete must be cured for 28 days prior to product application.
Due to its aromatic composition, Polyeuro 8245 will tend to Surface must be clean, dry, sound and offer sufficient profile
®
yellow or darken in color and will become flat after expo- sure for product adhesion. Remove all dust, dirt, oil, form release
to UV light agents, curing compounds, salts, efflorescence, laitance and
Coverage other foreign matter by shotblasting and/or suitable chemical
means, in accordance with local chemical regulations. Rinse
Polyeuro 8245 may be applied at any rate to achieve desired thoroughly to achieve a pH between 8.0 and 11.0. Allow to dry
®
thickness. Theoretical coverage for 1 mil (0.254 microns) completely. If old concrete has a surface that has deteriorated
thickness is one gallon per 1600 sqft (3.78 liters per 149 sqm). to an unacceptably rough surface, Polycoat Products PC-260
®
Estimating Formula: (1600 sqft per gal /Dry Mil Thickness) x or a mixture of Polyprime 21 and sand should be used as
Solids Content = Application Rate per gallon. a repair agent for cracks, spalls, bug holes and voids. Upon

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