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I I II <br />PHYSICAL CHARACTERISTICS <br />2,700 psi <br />50 <br />0.035 gm max. weight loss <br />125% <br />-IO°F/-23°C Pass <br />Class I <br />I g/l <br />Color <br />15 gallon unit: <br />(1) 5 gallon pail of Isocyanate <br />(2) 5 gallon pail of Polyol/Amine <br />150 gallon unit <br />(1) 50 gallon drum of Isocyanate <br />(2) 50 gallon drum of Polyol/Amine <br />Note The above physical properties were measured in accordance <br />with the referenced standards. Samples of the actual system, includ­ <br />ing binder and filler, were used as test specimens. <br />8 hours for foot traffic <br />24 hours for chemical or immersion <br />Light Gray <br />Tensile Strength <br />(ASTM D-638) <br />Hardness <br />(ASTM D-2240, Shore D) <br />Abrasion Resistance <br />(ASTM D-4060, CS-17) <br />Elongation <br />(ASTM D-638) <br />Low Temperature <br />Flexibility Test <br />(ASTM D-522) <br />Flammability <br />(ASTM D-648) <br />voc <br />(ASTM D-2369, Method E) <br />Cure Rate <br />USES, APPLICATIONS <br />• Wastewater treatment/storage <br />• Secondary containment areas <br />• Bulk tank farms <br />• Waterproofing <br />• Tank liners <br />• Scrubber decks <br />• Chutes <br />• Mechanical rooms <br />• Parking structures <br />• Helicopter decks <br />• Refrigerators/freezers <br />• Truck loading ramps <br />• Flexible deck flooring <br />• Mezzanines <br />• Interior walls and ceilings <br />• Laboratories <br />PRODUCT ADVANTAGES <br />• 100% solids (solvent-free) <br />• Optional non-skid surface <br />• Superior abrasion resistance <br />• Seamless and monolithic <br />• Suitable for a broad range of substrates <br />• Watertight <br />• Can be applied in cold environments <br />• Excellent crack bridging capabilities <br />PACKAGING <br />Stonchem 441 is supplied in pre-measured 3,15 and 150 gallon <br />units for application with 2:1 ratio, plural component spray equip­ <br />ment. Each unit consists of: <br />Stonchem 441 <br />3 gallon unit <br />(I) 3.5 gallon pail containing 2 gallons of Polyol/Amine <br />(I) I gallon can of Isocyanate <br />PRODUCT DESCRIPTION <br />Stonchem 441 is a 100% solids polyurea-polyurethane hybrid <br />lining system applied at a nominal thickness of 30 to 120 <br />mil/0.75 to 3.0 mm, depending on conditions of use.This immer­ <br />sion grade lining provides a durable, flexible, waterproof mem­ <br />brane that can withstand significant impact and abrasion.This <br />system can be applied over a broad range of substrates and in <br />varied environmental conditions. Stonchem 441 has very good <br />resistance to petroleum products, caustics and moderate concen­ <br />trations of acids. <br />CHEMICAL RESISTANCE <br />Stonchem 441 is formulated to resist a variety of chemical solu­ <br />tions. Refer to the Stonchem 400 Series Chemical Resistance <br />Guide, which lists reagent concentration and temperature rec­ <br />ommendations. <br />-O <br />O <br />u <br />c <br />o <br />o <br />> <br />> <br />Exhibit B - Item 22 - Epoxy flooring system STONCHEM 441