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accordance with nationally recognized and lining material. Upon completion of each <br /> accepted testing standards,principles and tests. immersion period, samples shall be tested in <br /> accordance with the following: <br /> A4.6.1.1 Immersion_ Conditioning <br /> Representative lining samples shall be tested to A4.6.1.2.1 <br /> determine compatibility. Samples shall be Test-ASTM D4541-85 <br /> immersed in the liquids listed below at either Pourpose=Bonding strength <br /> 380 (100T.) for periods of three and six Pull-off strength of coatings using portable <br /> months, or 23°C. (74T.) for periods of six and adhesion tester; <br /> 12 months: <br /> A4.6.1 .2.2 <br /> Liquids for Immersion Testing Test-ASTM D790-86, <br /> Purpose=Flexural strength <br /> Intended Service Liquids: Flexural strength Properties of Unreinforced <br /> and Reinforced Plastics and Electrical Insulating <br /> Unleaded gasoline Materials; or <br /> No.2 fuel oil or diesel fuel <br /> Gasohol(10 percent ethanol) A4.6.1 .2.3 <br /> Gasoline and five percent methanol Test-ASTM D256-81, <br /> with Appropriate co-solvent Purpose=Izod impact <br /> 85 percent methanol with 15 percent Test methods for impact resistance of plastics <br /> gasoline and electrical insulating materials; <br /> ADDITIONAL LIQUIDS A4.6.1 .2.4 <br /> Test-ASTM D2583-81,Using(Model <br /> (These liquids are not intended for service; 93513arcollmpresser) <br /> however, the lining materials are to be tested in Purpose=Hardness <br /> these liquids to further demonstrate the lining's Indentation Hardness of Rigid Plastics by <br /> immersion resistance.) Means of a Barcol Impresser <br /> ASTM reference fuel C A4.6.1 .2.5 <br /> Toluene Test-ASTM D543-87,Procedure 1 <br /> Xylene Purpose=Film integrity <br /> Distilled water Resistance of Plastics to Chemical Reagents <br /> A4.6.1.3 CONDITIONS OF <br /> A4.6.1.2 Post Immersion Tests. All ACCEPTANCE <br /> samples shall be applied to surfaces similar to <br /> the surface of intended application,except for <br /> samples to be used in the testing of flexural A4.6.1.3.1 Each liquid post immersion test <br /> strength which shall be comprised exclusively of sample shall be visually examined after each <br /> 9 <br />