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E'�J' <br />L - :_M D <br />J/1.I i `d -611 <br />ENVIRONMENTAL HEALTH <br />DEPARTMENT <br />bells and pipe tapers should be lightly sanded with 60 to 80 <br />grit Emery cloth (sandpaper) until the original factory -fresh <br />appearance returns. T.A.B. couplings cannot be reworked. <br />Damaged couplings must be replaced. <br />Adhesives <br />Red Thread IIA: Two basic adhesive systems are available <br />from NOV Fiber Glass Systems for Red Thread IIA pipe. The <br />7000 and 8000 series adhesives differ in operating charac- <br />teristics and working time (pot life). See Table below for rec- <br />ommended usage and approximate number of bonds per kit. <br />The working life of each kit is based on an ambient tempera- <br />ture of 75°F (24°C). <br />Dualoy 3000(L and LCX: There are two basic adhesives avail- <br />able from FGS for Dualoy 3000JL. The difference between <br />PSX•20 and PSX•34 is the PSX•34 is more viscous, making <br />it easier to use in hot weather or with containment fittings. <br />All the adhesives are a two -component system that must be <br />mixed prior to use. Detailed instructions for adhesives are <br />provided with each kit. Read instructions thoroughly and fol- <br />low the recommended procedures. Refer to Adhesive Work- <br />ing Life for both warm and cool weather conditions. <br />Adhesive Mixing <br />Thoroughly mix the adhesive. Complete information and safe- <br />ty precautions are packaged with each adhesive kit. Review <br />all safety precautions thoroughly before mixing the adhesive. <br />• At 65°F (18°C) or below, pre - <br />warm the adhesive kits to 80°- <br />90°F (26.7°-32.2°C). <br />• Empty all of the contents of the <br />hardener into the can of base <br />adhesive resin. <br />• Mix all of the base adhesive resin <br />with all of the hardener. NEVER <br />SPLIT A KIT. <br />18 <br />