× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: Used Oil Analysis
Posted to Castrol Forum on 12/30/2022

[...trimmed text...]

Correct! The HTHS test is performed at 150C/302F.

The Kinematic viscosity test (primarily for SAE viscosity category) is performed at 100C/212F

Login to read more.