Originally Posted by udidwht
Originally Posted by Snagglefoot
Haha. Here is a pic of Deathcool after 5 years in a Chev 6.0 LS with a cast iron block. Pretty evil stuff, isn't it.
The tester is for all 'Ethylene glycol' based coolant.
DEX is NOT a 'Ethylene glycol' coolant. DEX-COOL is created out of a combination of different phosphates and silicates as well as the organic acid technology itself.
What? Have you ever used Dex-Cool? It's absolutely ethylene glycol.
Quote
http://www.worldpac.com/tagged/ACD_Dexcool_10-101_EN.pdf
SAFETY DATA SHEET
SDS ID: SDS584
PRODUCT NAME: ACDelco DEX-COOL EXTENDED LIFE ANTIFREEZE COOLANT
PRODUCT NUMBER: 88863334, 88862642, 88863342, 10953464, 1000953031, 12377912/F, 12378512/F, 19242091, 19261992, 12346290, 88862171, 88862172, 10953031, 10953527
FORMULA NUMBER: YA-956B, YA-956B-B
MANUFACTURER:
Prestone Products Corporation
Danbury, CT 06810-5109
CANADIAN OFFICE:
FRAM Group (Canada), Inc.
Mississauga, Ontario L5L 3S6
Date Prepared: 09/26/2014
Component CAS No. Amount
Ethylene Glycol 107-21-1 80-95
Diethylene Glycol 111-46-6 0-5
2-Ethyl Hexanoic Acid, Sodium Salt 19766-89-3 1-5
Neodecanoic Acid, Sodium Salt 31548-27-3 1-5
And "a combination of different phosphates and silicates"?
Quote
https://www.acdelco.com/auto-parts/vehicle-maintenance/dex-cool-antifreeze.html
ACDelco Dex-Cool Antifreeze Extended Life Coolant Concentrate is an orange,
silicate and phosphate free, premium-grade coolant/antifreeze that is formulated with a chemical composition that minimizes breakdown of metal components in contact with the fluid. Based on carboxylate technology, ACDelco Dex-Cool Antifreeze Extended Life Coolant Concentrate has the properties needed to optimize the efficiencies of the new hybrid vehicles. This product is acceptable for use in all vehicles that require Dex-Cool coolant and the undiluted formula means that the user can customize the concentrations of water to coolant/antifreeze for optimum performance in a range of environments.