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

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. This product is especially suitable for medium and high hardness products. Compared with solid HER, it has the characteristics of convenient use and less dosage. In addition, the polyurethane products made of liquid HER-L have not only the conventional properties of products made of solid HER, but also excellent tensile strength, elongation, soft flexural properties and other characteristics. The product is soluble in dimethyl acetyl (DMAC).覐
Basic elements of the product
Appearance: colorless transparent liquid
CasNo: 777942-63-9
Monthly production: 10 tons
Packing: There are three kinds of packaging: 2kg, 20kg and 40kg.

1. Product Overview
Chemical name: 3-hydroxyethyloxyethyl-1-hydroxyethyl benzene diether (chain extender HER)-liquid
Molecular formula: C12H18O5
Molecular weight: 242.26
CASNo.:777942-63-9

2. Performance
Compared with solid HER, it has the characteristics of convenient use and less dosage. In addition, the polyurethane products made of liquid HER-L have not only the conventional properties of products made of solid HER, but also excellent tensile strength, elongation, soft flexural properties and other characteristics. The product is soluble in dimethylacetamide
(DMAC).

3. Main uses
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. This product is especially suitable for medium and high hardness products.
Chain extender HER

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