Guangzhou Yang Qing Chemical Co., Ltd. Distribution of propylene glycol, glycerin, triethanolamine, AES, AOS variety, reasonable prices. Guangzhou Yang Qing Chemical Co., strength, credit, keep the contract, to ensure product quality, won the trust of our customers. Main: Dow propylene glycol, SKC glycol physical and chemical properties Appearance: colorless viscous stable liquid absorbent glycol SKC, almost tasteless and odorless. Relative density (water = 1): 1.04 Vapor Pressure: 20 ℃ when 106Pa flash point: 99 ℃ (closed cup) Propylene glycol prices, 107 ℃ (open cup) heat capacity (20 ℃) ??2.49kJ / (. Kg ℃), heat of vaporization (101.3kpa) 711kJ / kg. Auto-ignition temperature: 421.1 ℃ Solubility: with water, ethanol and various organic solvents. Explosion limits: 2.6-12.6% V / V Guangzhou Yang Qing Chemical Co., Ltd. Distribution of propylene glycol, glycerin, triethanolamine, AES, AOS variety, reasonable prices. Guangzhou Yang Qing Chemical Co., propylene glycol original strength, credit, keep the contract, to ensure product quality, variety of operating characteristics principles of propylene glycol and puerile, and win the trust of our customers. Main: Dow propylene glycol, SKC glycol legal PDO acrolein hydration process in two steps: First, acrolein and water in the ion exchange to form 3-hydroxypropanal (HPA) under the resin is present, then the use of supported nickel catalyst hydrogenation HPA get PDO. The main byproduct is 4-oxo-hept-dialdehyde, 4-oxo be hydrogenated heptanediol, further hydrolysis PDO, the PDO process overall yield of 85% -90%. Dow propylene glycol, Jan-Chemical (certified), Dongguan glycol by Yang Qing Chemical Co., Ltd. in Guangzhou. Guangzhou Yang Qing Chemical Co., Ltd. (www.gzyangqing.com) (www.gzyangqing.com) is Guangzhou, Chemicals Agents leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum meet customer needs. In Jan-Chemical leadership with the staff warmly welcome all inquiries negotiations to create the Yang-Chemical better future.