Text Box: “PROPERTIES OF COOLANT SOLUTIONS AND MAKE-UP WATER” © ISBN 0-9720927-7-3 TTS Catalog No. 106 List price $19.95 US NOTE: This is a training module is extracted from “The Engine Cooling System” and/or “Engine Coolants” It DOES NOT provide information in addition to that contained in these books. Text Box: TABLE OF CONTENTS PROPERTIES OF WATER Operating temperature range Thermal expansion on freezing and boiling Heat of fusion & vaporization Effect of pressure on boiling temperature Purity of water Distilled and de-ionized water Rainwater Hardness, Total Dissolved Solids Corrosive effects Acidity / Alkalinity ASTM and HD Diesel Manufacturers water quality requirements Water chemical analyses, examples COOLANT CONCENTRATES AND SOLUTIONS Antifreeze and corrosion protection Ethylene & propylene glycols Functional differences Toxicity of glycols THERMAL & PHYSICAL PROPERTIES OF GLYCOL & WATER SOLUTIONS Freezing behaviors of liquids - True freezing and supercooling Effect of glycol concentration on freezing temperature Typical “anti-freeze container” freezing protection chart Thermal expansion and contraction of solutions Effect of glycol concentration on boiling temperature Effect of pressure and temperature on boiling temperature Effect of EG concentration on thermal conductivity Effect of EG concentration on specific heat Effect of temperature on viscosity