天天夜夜夜夜夜夜爽精品视频,亚洲噜噜噜噜噜噜噜在线,欧美在线中文字幕一区,深夜在线视频一区二区,美女视频在线观看一区二区,淫秽激情视频免费观看,青青青国产专区在线视频,国产精品一级在线播放,www网站黄色在线观看

 ♦Physical Properties

Chemical Name: 4,4'-Methylene-Bis(3-Chloro-2,6-Diethylaniline),Curing Agent Chain Extender MCDEA

Molecular Formula:   C21H28Cl2N2

Molecular Weight: 379.37

CASNo.:  106246-33-7

4,4'-Methylene-Bis(3-Chloro-2,6-Diethylaniline) (Curing Agent Chain Extender MCDEA) Is ?A Derivative Of MDA, And Can Be Prepared With TDI Prepolymers To Produce Excellent Performance PU Elastomer. It Is Mixed With The Corresponding MOCA, 740M, Etc. It Can Improve The Performance Of PU Elastomers, And It Shows A Good Additive Effect. In The PU Casting, Spraying, RIM And Other Process Technology Methods, As Well As Microporous Products, TPU, Adhesives, Coating Agents And Other Products, Have A Wide Range Of Applications. This Product Is Basically Non-Toxic And Approved By The European Union For Food And Drug Contact.

♦Characteristics And Uses

a. This Product Has Good Compatibility And Compatibility With TDI Prepolymers. The Prepared PU Products Have Excellent Physical And Dynamic Mechanical Properties, And Can Be Used In PU Casting, Spraying, RIM And Other Process Technology Methods; In PU The Elastomers, Microporous Products, Adhesives, Coating Agents And Other Products Are Widely Used In The Preparation;

b. This Product Can Also Be Used As A Curing Agent For Epoxy Resin And For The Preparation Of Polyimide, Etc.;

c. Due To The Introduction Of The "Ethyl" Group In The MDA, The Toxicity Of The Product Is Greatly Reduced. For Example, oral Poisoning Value For Rats Is LD50> 5000 Mg/Kg.

♦Packaging

4,4'-Methylene-Bis(3-Chloro-2,6-Diethylaniline) (Curing Agent Chain Extender MCDEA) Is Placed In A Cardboard Drum/Box For PP Bags With 2kg Each , 20kg, 40kg Three Kinds Of Packaging.

Chain extender MCDEA-standard quality checklist-COA