Transcription of GUIDE TO COOLANT ANALYSIS AND COOLING SYSTEM …
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GUIDE TO COOLANT ANALYSIS AND COOLING SYSTEM MAINTENANCE. COOLANT FORMULATIONS & RECOMMENDED TEST PACKAGES. Conventional COOLANT Extended Life COOLANT Extended Life COOLANT Automotive, Light Duty & Heavy Duty engines (1st Generation) (2nd Generation). Ethylene glycol, propylene glycol or glycerin base (OAT, NOAT & HOAT) (NAP-Free or NAPS-Free & P-OAT). Inorganic inhibitor package for metal corrosion and cavitation pitting protection Organic Acid Technology (OAT) North American & European Formulated Coolants Typical color: Orange Typical color: Red Components Automotive and Light Duty Heavy- and light-duty diesel, natural gas, and Typical Color: Green/Yellow, Pink, Blue, Purple Controls corrosion gasoline engines Ethylene/Propylene Glycol or Glycerin based Nitrite, Amine, Phosphate Free Freeze point suppression Nitrite Organic Acid Technology ()
Silicate • Aluminum corrosion protection Azoles (Mercaptobenzothiazole - MBT, Tolytriazole – TTZ or Benzothiazole - BZT) • Yellow metal protection (copper & brass) Silicon & Block Polymers • Defoamant • Scale and deposit control SCA & Water • Marine engines, Locomotives, Cooling towers • Inorganic inhibitor package for metal ...
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