色综合久久中文字幕无码_日韩欧美在线国产精品_成年男人看片免费视频播放人_国语免费一级毛片私人_羞羞AV手机在线观看_heyzo无码综合国产精品_紧缚波多野结衣_穆斯林妇女大BBw_99re热这里只有精品视频中文字幕_欧美天堂视频

7*24小時工作時間隨時全心服務(wù)

0531-85919987

產(chǎn)品導(dǎo)航

Technology

您的當(dāng)前位置:首頁 > Technology
Solution for automatic measurement of propanediol boiling range
2021-03-01 13:22:35 admin 384
1, 2-propanediol is a chemical reagent, miscible with water, ethanol and a variety of organic solvents, and its chemical formula is C3H8O2.
Normal for colorless viscous liquid, almost tasteless, fine smell slightly sweet.
Propanediol can be used as raw material of unsaturated polyester resin.
Used as a wetting agent in cosmetics, toothpaste and soap in combination with glycerin or sorbitol.
It is used in hair dye as moisture control, hair leveling agent, also used as antifreeze, also used in cellophane, plasticizer and pharmaceutical industry.