Volcano Auto Spare Parts

https://www.penriteoil.com.au/knowledge-centre/Engine%20Oil%20Types/189/what-is-the-difference-between-multigrade-and-monograde-oils/411 #:~:text=What%20is%20the%20difference%20between,°C%20operating%20temperature%20requirement.&text=10W-40)%20Monograde%20oils%20do,have%20a%20low%20temperature%20requirement.

Knowledge Centre | Penrite Oil Multigrade oils must meet both a "W" low temperature (Cold Cranking) viscosity requirement and a 100C operating temperature requirement. A multigrade oil gives you the best of both worlds by maintaining its performance at high and low temperatures. All liquids thin out as heat increases but a multig...