Tannas Thermo-oxidation Engine Oil Simulation Test (TEOST)

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Tannas Thermo-oxidation Engine Oil Simulation Test (TEOST®)


  • Simulates the effect of engine operating conditions on the oxidation and deposit-formingtendencies of engine oils, especially in the high temperature Turbocharger area

  • Oil sample treated with catalyst is pumped over a heated Depositor Rod forming deposits. Theweight of the Depositor Rod after the test is subtracted from its pre-test weight and added to theparticulate weight collected by filtering the oil remaining. The results are reported in milligrams.

Test Methods:

ASTM D 6335

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DKSH New Zealand

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DKSH New Zealand Limited
Unit A1, 72 Apollo Drive, Rosedale, North Shore
0632 New Zealand

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+64 9 478 1351 (Local 0800 95 10 10)
+64 9 478 1360

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