Chloroprene Rubber

• Post Date:

  Apr 20,2026

• Expiry Date:

  Oct 17,2026

• Detailed Description:

  Cas No. :40024910

  Polychloroprene Rubber CR 121

  A sulfur-modified polychloroprene rubber with medium crystallization rate.Used in manufacture of rubber products such as cable shield,V-belt and synchronous belt.It is similar to Du Pont's neoprene type GNA and Denka'PM-40 Properties Specification A B C Mooney viscosity 100 癈 1+4 CR1211 30-45 30-45 30-45 CR1212 46-60 46-60 46-60 Mooney scorch MSt5,min 30 25 20 Tensile strength,MPa 24 22 20 Modulus at 500%,Mpa 1-5 1-5 1-5 Elongation at break,% 900 850 800 Volatile matter,% 1.0 1.2 1.2 Ash content,% 1.0 1.2 1.2 Package: Woven polypropylene lined-kraft paper bags with a release polyethylene liner,25kg net Wt. Storge life:One year below 20 癈 and half a year below 30 癈 from the date of production.

• CAS Registry Number:

  40024910

• Synonyms:

  ;Chloroprene resin(med. M.Wt.);Chloroprene resin(high M.Wt.);1,3-Butadiene, 2-chloro-, homopolymer;Chloroprene resin;Chloroprene Rubber;POLY(2-CHLORO-1,3-BUTADIENE);NEOPRENE GNA;NEOPRENE GRT;NEOPRENE GW;NEOPRENE(R);NEOPRENE TRT;

• Molecular Formula:

  (C₄H₅Cl)n

• Molecular Weight:

  88.5365

• Molecular Structure:

  

• Safety Description:

  S24/25:Avoid contact with skin and eyes.;
  

• Company:

  Chongqing Changfeng Chemical Co., Ltd.     [ China ]          

• Contact:

  Mr. Edward Zhang

• Tel:

  +86-23-67896333

• Fax:

  +86-23-67896677

• Email:

  info@changfengchem.com