SM-4,5
OST 54-3-175-72-99 amend. 1,2
SM-4,5 – is a compound of МС-8p and МС-20 at a ratio of 75:25 (mass content, %)
APPLICATION
SM-4,5 is used in aircrafts with turbo-prop engines such as AI-20 (An-12 and Il-18) and AI-24 (An-24, An-26, An-30 and An-32).
SPECIFICATIONS
Item |
Standard |
Kinematic viscosity, mm2/с (cSt), min.: |
4,3-4,7 |
Acid number, mg KOH/g of oil, max |
0,05 |
Coking capacity, %, max. |
0,15 |
Flash point on the closed crucible, °C, min. |
138 |
Pour point, °C, max. |
-35 |