Aeroshell W100 is a lighter weight piston engine oil for aircraft which are frequently flown during the colder months. Approved to J-1899 (SAE 50) Aeroshell W100 is an ashless dispersant oils specifically developed for piston engines.
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Aeroshell W100 is an ashless dispersant specifically developed for aviation piston engines and combines non-metallic additives with selected high viscosity index base oils to give exceptional stability, dispersancy and anti-foaming performance. No general rule exists for every engine type when choosing the correct grade of oil however, based on the average ambient outside temperature at engine start-up the most common grades are SAE 40 and SAE 50, which equates to AeroShell Oil W80 and W100 respectively. Traditionally, the choice is associated with climatic zones, AeroShell W100 for climate regions of 15 - 30°C. AeroShell W100 oil is produced to meet fully the SAE specification J-1899 (SAE 50). Furthermore, it has military qualification approval and are listed on the Qualified Products List (QPL) issued by the US Navy and on the Technically Acceptable Products List (TAPL) issued by the UK Ministry of Defence. The blending plants employed to manufacture these oils also hold the approval of the specification authorities and this ensures that the high quality standard is always maintained.