SN239is a general type chloroprene rubber. It adopts Nairit polymerization formula and process technology, mercaptan as a regulator, and chloroprene monomer emulsion polymerization to make the medium crystalline chloroprene rubber.
Specifications:
Comply with: Q ∕ SNYF02.02—2009 standard
Comparison between SN239 and other brands
| China Shanna | US Dupont | Japan Denka | Germany Bayer |
| SN239 | WHV | M-120 | 243 |
Appearance: White to gray flakes or lumps, with talc as a separating agent, no mechanical impurities
Technical indicators:
| 门尼粘度100毫升(1 + 4)°摄氏度 | 110～130 |
| Mooney scorch MSt5 (min) | ≥12 |
| 500 fixed tensile stress (MPa) | 4～8 |
| Tensile strength (Mpa) | ≥13 |
| Elongation at break (%) | ≥650 |
| Mass fraction of volatile matter (wt.%) | ≤0.8 |
| The mass fraction of ash (wt.%) | ≤1.0 |
Application：This product is the most widely used neoprene, especially suitable for conveyor belts, extruded profiles, various hoses, tapes and adhesives, rubber seals, and wire and cable sheaths.
