Thermo-oxidation Engine Oil Simulation Test
ASTM D6335 | Dual/33C Model (Chinese SH/T0750)
ASTM D7097 | MHT Model (Moderately High Temperature)
The TEOST 33C test simulates the effect of engine operating conditions on the oxidation and deposit-forming tendencies of engine oils, especially in the high temperature Turbocharger area. The TEOST MHT™ test simulates similar effects and conditions found in the ring belt and piston ring areas of the engine.
Oil samples treated with catalysts are pumped over a heated 33C Depositor Rod or a coiled MHT Depositor Rod on which deposits form. The weight of the Depositor Rod after the test is subtracted from its pre-test weight and added to the particulate weight collected by filtering the oil remaining. The results are reported in milligrams.
Features & Benefits
Adjustable temperature zones and pump speeds.
Clear Glass Mantle for easy viewing of depositor area during test.
Ability to collect the volatilized material for further analysis and investigation.
Reference Oils & Catalysts
33C Reference Oils
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MHT Oils & Catalyst
For a complete listing of part numbers and available container sizes of TEOST™ Reference Oils & Catalysts, please review the Tannas Reference Oils & Catalysts Parts List.
Visit our Certified Reference Materials page to download SDS sheets or Oil Certificates.