Lube Oil Viscosity Blending charts

[karan]

Hi,
Can someone help me in obtaining lube oil viscosity blending charts I want to find out the ratio of blends for SAE 10W40, 15W40, 20W40 etc. engine oils. The base oils being used are SN 150 & SN 500also BS460 for formulating gear oils.
Regards
Karan
[email protected]

 

[jmac]

I think this is what you need.
http://www.rohmax.com/rohmax/en/customerservices/calculationtools/baseoilmixtures/

I have only seen these calculators, I have never seen the charts as you described in public online.

 

[bruce381]

Lubrizol has a nice one but must register on the site