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PROPERTY A-PMDI ISOCYANATE HEATLOK HFO PRO RESIN Color Brown Blue Viscosity @ 77°F(25°C) 180—220 cps 500—800 cps Specific Gravity 1.24 1.17—1.21 Shelf Life of unopened drum properly stored 12 months 6 months Storage Temperature 50—100°F(10—38-C) 59—77°F(15—25-C) Mixing Ratio(volume) 1:1 1:1 'See SDS for more information. RECOMMENDED PROCESSING CONDITIONS' Initial Primary Heater Setpoint Temperature 105—115°F 41 —46°C Initial Hose Heat Setpoint Temperature 105—115°F 41 —46°C Initial Processing Setpoint Pressure 1200—1400 psi 8274—9653 kPa Substrate&Ambient Temperature Summer>50°F Summer>10°C Winter>15°F Winter>-9°C Moisture Content of Substrate s19% s19% Moisture Content of Concrete Concrete must be cured,dry and free of dust and form release agents. `Foam application temperatures and pressures can vary widely depending on temperature,humidity,elevation,substrate,equipment and other factors.While processing,the applicator must continuously observe the characteristics of the sprayed foam and adjust processing temperatures and pressures to maintain proper cell structure,adhesion,cohesion and general foam quality.It is the sole responsibility of the applicator to process and apply Heatlok HFO Pro within specification. General Requirements:Equipment must be capable of delivering the proper ratio(1:1 by volume)of polymeric isocyanate(PMDI)and polyol blend at adequate temperatures and spray pressures.Substrate must be at least 5 degrees above dew point,with best processing results when ambient humidity is below 80%. Substrate must also be free of moisture(dew or frost),grease,oil,solvents and other materials that would adversely affect adhesion of the polyurethane foam. Applicators should limit the application of this product to no more than a thickness of 2"(5Omm)per pass(after expansion)to avoid fire hazards(including sponta- neous combustion)resulting from excessive heat generation.A second 2"(5Omm)layer may be applied immediately after the first one has fully risen.Alternatively,a single pass of up to 3"(76mm)may be applied.In either case,if subsequent passes are needed,applicators should wait until the core temperature of the foam has dropped below 100°F to allow any reaction heat to dissipate from the prior applications before attempting to reapply the product. RECOMMENDED Maximum Pass 3" 76mm Dual Pass(x"+x") 2"+2" 5Omm+5Omm Heatlok HFO Pro must be separated from the interior of the building by an approved thermal barrier or an approved finish material equivalent to a thermal barrier in accordance with applicable codes.Heatlok HFO Pro must be sprayed at a minimum thickness of 1"per pass.This product must not be used when the continuous service temperature of the substrate or foam is below-60oF(-51°C)or above 180°F(82°C).Heatlok HFO Pro should not be used to cover flexible ductwork. Disclaimer:The information herein is to assist customers in determining whether our products are suitable for their applications.We request that customers inspect and test our products before use and satisfy themselves as to contents and suitability.Nothing herein shall constitute a warranty,expressed or implied,including any warranty of merchantability or fitness,nor is protection from any law or patent inferred.All patent rights are reserved.The foam product is combustible and must be protected in accordance with applicable codes.Protect from direct flame and spark contact,around hot work for example.The exclusive remedy for all proven claims is replacement of our materials. SIP/, DES \L L \�I US I A P MD MIAMI DADE COUNTY Q. ' � ""• EXTERIOR WALL SYSTEM COMPONENT USA ® IN ACCORDANCE WITH DIRECTORY C285 TO n tertek SEE BUILDING MATERIALS DIRECTORY ALSO CLASSIFIED IN ACCORDANCE WITH ASTM D1929 FILE R39899 3315 E Division St Page 2 Of 2 PhArlington,TX 76011 I HUNTSMAN Phone:(817)640-4900 AN:20.000571 REV:09.09.22 www.huntsmanbuildingsolutions.com BUILDING SOLUTIONS