COMPLIANCE INFO_2006-2012 - Laserfiche WebLink

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Primary Piping System Installation JOINT PREP ADHESIVES Cleaning the Bonding Surfaces Several basic adhesive systems are available from FGS It is recommended that all bonding surfaces be Smith Fibercast. The 7000 and 8000 series adhesives differ cleaned before bonding. DO NOT TOUCH THE BONDING in operating characteristics and working time(pot life). See SURFACES OR ALLOW THEM TO BECOME CONTA. Table 6 for recommended usage and approximate number MINATED. of bonds per kit. The working life of each kit is based on an ambient temperature of 75°F(24°C). Acceptable cleaning methods are as follows: • Sand all bonding surfaces until contamination is The adhesives are a two-component system that must removed. However,the sanding operation must be light be mixed prior to use. Detailed instructions for adhesives are enough to prevent changing the taper angle. provided with each kit. Read these instructions thoroughly • Cut off contaminated surfacea r p ce with ne and follow the recommended procedures. The cure time and taper or sleeve coupling. pot life of the adhesive is dependent on temperature. Refer • Wire brushes may be used to the adhesive instructions. Ambient temperatures above for cleaning T.A.B. surfaces; 100°F require extra care by the fabricator to assure sufficient however, they must be clean working time of the adhesive. Refer to Adhesive Working and free of oil contamination. Life(page 7)for both warm and cool weather conditions. • Dirt contamination can be removed by water washing. 1�6ADHESIVE MIXING " NOTE: Using solvent as a cleaning method is optional. Solvent may be used if preferred by the customer. Some a alternate cleaning solvents available through local hardware or industrial supply houses are acetone,methylene chloride, and methyl ethyl ketone. After cleaning,be sure any residual solvent has evaporated before applying adhesive. DO NOT USE SOLVENTS THAT LEAVE AN OILY FILM ON THE BONDING SURFACES. WARNING: Some degreasers and solvents are extremely flammable. Be sure to read warning Thoroughly mix the adhesive. Complete information and labels on containers. Never use gasoline, safety precautions are packaged with each adhesive kit. turpentine, or diesel fuel to clean joints. Be sure all solvent Review all safety precautions thoroughly before mixing has evaporated before applying adhesive. the adhesive. Repairing Weathered Surfaces (UV Degradation) • At 65°F or below, prewarm the When machined surfaces of pipe and fittings are exposed adhesive kits to 70° to 80°F ardeyW to direct sunlight for a prolonged period of time, the result minimum. could be a loss of bond strength. All machined surfaces that • Empty all of the contents of the have turned yellow or brown in color must be repaired. For hardener bottle into the can of base Adhesive exposed T.A.B. ends, cut 1/2" minimum off of the end of the adhesive. spigot and retaper. Exposed fitting bells and pipe tapers • Mix all of the adhesive with all of should be lightly sanded with an 80 to 120 grit sandpaper the hardener. NEVER SPLITAKIT. or Emery cloth until the original factory-fresh appearance • Do not spill hardener during the mixing process. Cut returns. T.A.B. couplings cannot be repaired; they must be through the adhesive with the edge of the mixing stick to replaced. assist in mixing the two components. • Mix until the adhesive has a uniform color and a consistent flow off the mixing stick. Wipe down the sides, bottom, and under the rim of the can with the mixing stick to assure complete mixture. 6