精品av中文字幕在线观看,日韩一区二区三区爽爽爽,99精品久久久国产,欧美一区二区三区三级,日本中文字幕女优观看,mm1314在线视频,亚洲av熟女天堂久久天堂,亚洲一区图片专区,欧美日韩特级片视频播放

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 products

Appearance: colorless transparent liquid

CasNo: 777942-63-9

Monthly output: 10 tons

Packing: There are three kinds of packaging: 2kg, 20kg and 40kg.

1. Product Overview

Chemical name: 3-hydroxyethyloxyethyl-1-hydroxyethylbenzene diether (chain extender HER)-liquid

Molecular formula: C12H18O5

Molecular weight: 242.26

CASNo.:777942-63-9

Second, performance description

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 application

As a chain extender for TDI / MDI series polyurethane products, 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.

3-Hydroxyethyloxyethyl-1-hydroxyethylbenzene diether

Fourth, packaging

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