| GENERAL CHARACTERISTICS ITEM DESCRIPTION | TUBING CONSISTS OF THREE FIBERS,TWO CELLULOSIC AND ONE THERMOPLASTIC; FLEXIBLE; HIGH STRUCTURAL STRENGTH; LOW GAS EVOLUTION;0.500 IN. OUTSIDE DIA.; 82.000 FT. LONG; MINIMIZE SMOKE PROBLEMS; FEWER FLAWED CASTINGS; EFFECTIVE VENTING OF CORES AND MOLDS REQUIRING NO-OVEN BAKING; INSURES DIVERSION OF GASES FROM CORE OR MOLD GENERATED DURING POUR; RESISTANT TO COLD,HEAT AND MOISTURE |