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Motor Oil | Understanding The Numbers

Edmunds explains what the numbers on motor oil mean, and how to select the best one for your car. EDMUNDS VIDEO //www.Edmunds.com is a ...

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robert spear commented on 15 Apr 2015

WRONGO!!! When is oil ever thinner when its cold? The viscosity grade is determined at 100 degrees F (212 c). According to SAE J300 standards, to be classified as a certain viscosity, an oil is warmed to 100 degrees C (212 degrees F). It's kinematic viscosity at this temperature is measured. If it falls within a certain range it is classified as a particular viscosity. For instance, an SAE 30 oil must have a kinematic viscosity at 100 degrees C of between 9.3 and 12.5 cSt (centistokes).

Mark Wise commented on 23 Dec 2015

+robert spear In this video the words "Flow" and "Viscosity" are interchanged because the numbers on the bottle represent " theoretical " Viscosity as Flow. True viscosity is the" Rate "of change between the numbers, which is called a Viscosity Index. 10w30: the 30 represents the Flow at 212 degrees Fahrenheit, its viscosity is the resistance to change as it cools. All oils thicken as they cool, Synthetic oils have a higher viscosity index, meaning it has a greater resistance to thickening as it cools and will be thinner at 50 degrees than a conventional oil, which has a lower viscosity index or less resistance to change. A higher viscosity index is better as all oils are not at the proper Flow Rate till they reach 212 .

Tepoinn 300ml Aromatherapy Essential Oil Diffuser Cool Mist Humidifier Air Purifier Review

Amazon US //www.amazon.com/dp/B01ANHX6M8 Amazon CA //www.amazon.ca/dp/B01ANL8PKM Amazon UK ...

Painting with water mixable oil paints in a storm

Pochade box painting from the car using water mixable oil paints of view over Cambridge UK. See the description to find out about my painting techniques Main ...

User Comments

41Ned commented on 28 Jan 2013

Hi I have decided to try my hand at Oils Water Soluble or Mixable as some call it , no matter , I have beeb asking about Mediums and not getting much joy . I Presume and I have been told one should never presume, That the Medium you used 50/50 linseed oil and water (plain or Artisan) , do you use that as a liquid clear or for thinning the oil . As I said have been asking question on mediums like Liquid clears and liquid white and cannot get a straight answer. Can you help ? Regards Ned

Jada Zoolander commented on 19 Mar 2013

Ned, I use linseed oil to create a creamier texture and a fast drying medium for water soluble paints as a thinner. I never use water because it makes the paint tacky. I hope this helps.