国产97人人超碰CAO蜜芽PR_日韩aⅴ无码国产精品_免费毛片a在线观看_国产欧美亚洲精品久91_邻居人妻与教练hd三级_做暧暧视频视频xo_亚洲无码在线精品_丰满少妇高潮掺叫无码_A级毛片大全免费_日韩毛片午夜在线观看

Yanhua Ethylene glycol　　Imported Ethylene glycol　Large amount of cheap wholesale of Ethylene glycol　Ethylene glycol general agent
99.9% Yanhua 230kg/drum4500
CAS No.: 107-21-1
Alias: 1,2-Ethanediol; glycol
Molecular formula: C₂H₆O₂; Simple structure: HO-CH₂CH₂-OH
Molecular weight: 62.07
Freezing point: -13.2^οC
Boiling point: 197.85^οC
Density: Relative density (water=1) 1.1155(20^οC); Relative density (Air=1): 2.14
Appearance and properties: Colorless, odorless, sweet, viscous liquid 　　Vapor pressure: 0.06mmHg(0.06mm Hg)/20^οC 　　
Flash point: 111.1^οC 　　Viscosity: 25.66mPa.s(16^οC
Ethylene glycol, also known as glycol, is the simplest diol.
Main use:
Mainly used in the preparation of polyester, polyester resin, hygroscopic agent, plasticizer, surfactant, synthetic fiber, cosmetic and explosive. Also used as dye/ink solvent, engine antifreeze and gas dehydrating agent.
Mainly used in the production of synthetic resin PET, fiber grade PET, bottle flake grade PET for mineral water bottle, alkyd resin, surfactant, glyoxal and explosive. Also used as antifreeze.