SYMPOSIA PAPER Published: 01 January 2008
STP45570S

Cavitation Protection Performance of Nitrite-Free Organic Acid Based Coolant for Heavy-Duty Engines

Source

For decades, most all heavy-duty engine coolants contain nitrites in order to protect against cavitation erosion/corrosion. So much so that many industry specifications require nitrites by name as well as minimum concentration quantities as they have been found to be very effective in minimizing cavitation erosion/corrosion of heavy-duty engine cast iron cylinder liners. However, the use of nitrites has become an issue because it is commonly known that nitrites could produce carcinogens when mixed with amine-type coolants. Legislation in some countries recommend not using it. This paper introduces nitrite-free, organic acid based, long-life coolant technology that gives the desired cavitation protection.

Author Information

Mori, Yasuaki
CCI Corporation, Seki City, Gifu, Japan
Abel, Michael, L.
CCI MANUFACTURING IL CORPORATION, Lemont, IL
Miyake, Yuji
CCI MANUFACTURING IL CORPORATION, Lemont, IL
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Details
Developed by Committee: D15
Pages: 109–118
DOI: 10.1520/STP45570S
ISBN-EB: 978-0-8031-6253-2
ISBN-13: 978-0-8031-3420-1