日韩高清一区-国产精品91视频-豆花视频在线-韩国三色电费2024免费吗多少钱-91视频亚洲-中文字幕在线看片-成年人在线视频观看-抱着老师的嫩臀猛然挺进视频-老鸭窝av在线-久久精品无码专区-国产网站av-香蕉免费在线视频-欧洲精品久久一区二区-国产孕交-色八戒av

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.
What is the chain extender HER?

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