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File MH28727 Page T1-1 of 5 Issued: 2004-01-05 <br /> TEST RECORD NO. 1 <br /> SAMPLES: <br /> The manufacturer submitted the following samples: <br /> A. 45 -6 by 6 by 0.125 in. slabs of PELLETHANE 2355-75A polyurethane. <br /> B. 8 - Polyethylene 5 gallon buckets with 4 stud bulkhead penetration <br /> fittings installed at the bottom. Each fitting had a capped length <br /> of pipe band clamped to the boot. <br /> C. 8 - Polyethylene 5 gallon buckets with 10 stud bulkhead penetration <br /> fittings installed at the bottom. Each fitting had a capped length <br /> of pipe band clamped to the boot. <br /> The following tests were conducted. The results relate only to those <br /> samples tested. <br /> FLUID COMPATIBILITY TEST: <br /> METHOD <br /> Specimens cut from samples described in Item A were immersed in each of <br /> the fluids specified in Table I for periods of 70 hours. The samples and <br /> fluids were maintained at a temperature of 23f -2°C throughout the exposure. <br /> Following each exposure period, samples were removed from each fluid and <br /> immediately subjected to tensile testing in accordance with ASTM D412, <br /> Standard Test Methods for Rubber Properties in Tension. Additionally, the <br /> volume change and material extracted was determined for those specimen that <br /> were immersed in the internal fluids in accordance with ASTM D471, Standard <br /> Test Methods for Rubber Properties-Effects on Liquids. <br /> EVALUATION CRITERIA: <br /> The average tensile strength and elongation of the samples that were <br /> immersed in the fluids shall not be less than 60% of the average tensile <br /> strength and elongation of the samples tested in the as-received condition. <br /> The volume change shall be not less than -1% and not more than 40%. The <br /> material extracted shall not be more than 10%. If the results ere found not <br /> to comply with the requirements, the Simulated Use Resistance To Fluids Test <br /> described below was conducted. <br /> RESULTS <br /> The results are presented in Table II. Based on the results, the <br /> Simulated Use Resistance to Fluids Test was conducted. <br /> 0 <br />