97香蕉碰碰人妻国产欧美-亚洲国产精品suv-少妇精品偷拍高潮白浆-www.色呦呦-欧美黑人一级-国产精品不卡一区二区三区-国产视频分类-成人午夜剧场视频网站-91日本精品-www.久久久久.com-亚洲欧美一区二区精品久久久

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.