All methoxy propanol base engine coolants, when installed in accordance with the vehicle manufacturer's recommendations and those on the product label, shall function effectively in a properly maintained cooling system in heavy equipment, trucks or buses:

(1)           with or without diesel engines;

(2)           under normal service;

(3)           during both winter and summer;

(4)           for a minimum of one year without adversely affecting fluid flow and heat transfer; and

(5)           providing protection against freezing, boiling and corrosion in accordance with all other specifications of 02 NCAC 09F .0300.


History Note:        Authority G.S. 106‑579.7; 106‑579.14;

Eff. February 1, 1982;

Pursuant to G.S. 150B-21.3A, rule is necessary without substantive public interest Eff. March 22, 2015.