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TECHNICAL REFERENCE APPENDIXPage A168/09BASIC SOLDERING TERMS AND TECHNIQUESbe overcome, at least in part, by "insitu" tinning with a "tin-loaded" flux (i.e. Johnson's E-127). Tin-loadedflux should be applied liberally to all surfaces to be joined. When the seam is heated the tin melts and"attracts" the solder and draws it into the seam. Tests have shown that joints or seams made with Johnson497 are as strong as similar joints made with traditional tin-lead solders.e. Do not store in manner or location that water moisture remains. Do not store on bare ground, under tarp orin any other manner that may cause condensation to form on or between material. (Water stains should notaffect the life or durability of FreedomGray ® ; however, they can be aesthetically unattractive).f. FreedomGray ® is a registered trademark for Revere Copper Products, Inc. Complete details andspecifications for installation are contained in the Revere manual Copper & Common Sense. For the mostup to date soldering techniques, we recommend you consult with the Revere Architectural ServicesDepartment at (800) 448-1776 ext. 2474 or 2707.4. Stainless Steela. Mechanically remove heavy oxide with non-metallic abrasive pad such as scotchbrite, flexible sandingsponges or emory cloth. Use of steel wool or metal abrasive can contaminate the surface.b. When possible, use of traditional 50%Tin – 50% Lead solders should be avoided for environmentalreasons. We recommend applying a lead-free solder, such as a tin-bearing flux such as Flux-'N-Solder E127with Pure Tin, by Johnson Manufacturing, Princeton, IA (563-289-5123), to all surfaces to receive solder.c. All flux should be washed off of the metal after soldering is complete.d. There are many commercially marketed fluxes for soldering stainless steel.STORAGE AND HANDLING OF PRODUCTBerger products must be stored in a properly ventilated, dry environment to prevent condensation on metal surfaces.Materials that are stored in areas subject to temperature variations, outside storage or subjected to moisture damageare not returnable. Galvanized Steel and Zinc surfaces are susceptible to humid storage stain or white rust. SMACNAguidelines for storage and handling of materials apply. Refer to SMACNA appendix A-5 sections 1.7, 1.8, 1.9.PATINA CHEMICAL SOURCESCopper will Patina naturally in most areas within 7 years when exposed to normal air quality and moisture. Areas thatare dry or at high altitudes will take longer or not react to environmental surface oxidation.Berger Building Products, Inc provides this information as a service with the understanding that the results of thechemical patina will vary and Berger assumes no liability.Berger cautions the user that the user is responsible for the results. The user also must comply with all manufacturersafety recommendations on handling and disposing of chemicals in accordance with all Local, State and Federal EPAGuidelines.User can check for other sources on the internet, phone and industrial directories.• Triple-S Chemical Products, Inc - Los Angeles (800) 862-5958• Patina Solutions (800) 882-7004• Jax Chemical Co - Floral Park, NY (718) 347-0057The Copper Development Association (CDA) provides information on the use of copper for every purpose known toman at the website: http://www.copper.orgFor specific information on architectural copper finishes go directly to:http://www.copper.org/applications/architecture/finishes.html