国产精品一久久香蕉国产线看观看-国产老熟女伦老熟妇视频-在线视频 亚太 国产 欧美 一区二区-国产超碰人人做人人爽av-79年熟女大胆露脸啪啪对白p-7m视频成人精品分类-久久精品视频免费看-日韩精品中文字幕无码一区-成人xvideos免费视频-午夜爽爽爽男女免费观看一区二区-aa黄色毛片-国产资源在线观看-av在线不卡免费-成人天堂视频在线观看软件-精品国精品自拍自在线

Chemical name: 4-hydroxyethyloxyethyl-1-hydroxyethylbenzene diether, chain extender HQEE-liquid

Molecular formula: C₁₂H₁₈O₅

Molecular weight: 242.26

CAS No.:849677-06-1

Performance description:

This product is not easy to flow at room temperature. When the temperature is higher than 27 ℃, its viscosity gradually becomes smaller and can flow. In addition to the conventional properties of products made of solid HQEE, polyurethane products made of liquid HQEE-L also have excellent tensile strength, elongation, soft flexural properties and other characteristics. The product is soluble in dimethylacetamide (DMAC).

The main purpose:

As a chain extender for TDI / MDI series polyurethane products, it is widely used in polyurethane adhesives, coatings, sealants, elastomers, PU foam, spandex, sports facilities and other fields. The product is especially suitable for products with medium and high hardness.

Package:

This product is packed in galvanized iron drums, 20 kg per drum.