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

DOW 2-Butoxy ethanol　Professional sales of 2-Butoxy ethanol　Factory outlets 2-Butoxy ethanol　2-Butoxy ethanol price quotations

99.8% Domestic/imported 188kg/drum
Product name: 2-Butoxy ethanol
Chemical name: ethylene glycol monobutyl ether
Structural formula: HOCH₂CH₂O(CH₂)3CH₃
Mainly used as the solvent of coating, printing ink, stamp pad ink, oil and resin, metal detergent, paint stripper, auto engine detergent, dry cleaning solvent, epoxy resin solvent, drug extractant, latex stabilizer, aircraft coating evaporation inhibitor, high temperature baking enamel surface processing, etc.
Molecular weight118.17. Colorless transparent liquid with slight fragrance.Relative density (20 ^οC／4^οC)0.90/0.75, freezing point -74.8^οC, boiling point 171-172^οC, flash point (open cup)74^οC, Ignite 244^οC, refractive index 1.4198, Vapor pressure (25^οC) 0.111kPa, Viscosity (25 ^οC) 3.15mPa·s.