HTF methods to identify quality Step 1: acid number of the acid value change HTF change occurs mainly in the expansion tank is not used blanketing system, it changes indicate that the degree of thermal conductivity aging solution. When the aging to a certain extent, and further polymerized to form a polymer soluble organic acid oxidation products, when the acid value may decrease. Therefore, the acid value is a measure of the degree of change is an important quality criterion HTF. Step 2: The flash point is a measure of change in the flash point of the main security HTF quality index, the flash point is to illustrate the possibility of volatile products and flammable gas formation. Step 3: Change change of attachment of the attachment is to account for changes in molecular weight and structure of the liquid heat transfer. HTF HTF would happen if the cleavage of the attachment itself decreases oxidative polymerization viscosity increases. For users who work environment in terms of low-temperature thermal oil prices, our thermal oil viscosity should pay attention to. Analyzing HTF properties Flash point method is generally said thermal fluid under certain conditions, it oil vapor and air mixture is changed to become, the flash occurs at the lowest temperature near the flame. Its size represents HTF evaporation tendency and security. When the flash point lower, lighter oil fractions, evaporation is greater HTF standards, safety is small; when the high flash point YD350 conducting oil, oil fractions heavier, less evaporation, large safety . Flash point for safety play what role it, can form a burning fire it? As we all know, is an oxidation reaction of combustion chemistry, combustion has three elements: Fire = fuel + Temperature + oxygen can burn things at a certain temperature and oxygen, will burn, three are indispensable. YD350 HTF _ Fengqiu County Taihang Chemical (certified) _ Fuzhou HTF provided by Fengqiu County Taihang Chemical Co., Ltd. Fengqiu County Taihang Chemical Co., Ltd. (www.hndaoreyou.com) Henan Xinxiang, fuel oil leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Fengqiu County Taihang Chemical Co. led the staff warmly welcome all inquiries negotiations to create Fengqiu County Taihang Chemical Co., a better future.