Chemicals and HPM Products
Chloroprene
Product Information and Application
Product Name: Resonac Chloroprene
Chemical Name: Polychloroprene
HS Code Number: Solid 4002.49.00, Latex 4002.41.00
Functional elastomer providing a good balance of important properties for a wide variety of applications
Resonac has been manufacturing Polychloroprene in both solid and liquid dispersions for over 50 years with consistent, high quality performance and customer satisfaction. Resonac had a joint venture with DuPont from 1963 up until 2002 and continues to use the same manufacturing methods, formulations, and technology.
Polychloroprene is used in a wide variety of applications, including but not limited to: adhesives, asphalt emulsions, bridge bearings, coatings, general rubber parts, hoses, medical devices, textiles, waterproof membranes. Polychloroprene offers a good balance of properties over other elastomers, such as: high elasticity, oxidation resistance, heat resistance, oil resistance, low temperature resistance, compression set, weather resistance, ozone resistance, abrasion resistance, and flame resistance.
Foorprints
| 1960 | Established Showa Neoprene joint venture (JV: SDK 50%,Dupont 50%) |
| 1963 | Started Neoprene local production at Kawasaki. |
| 2002 | DuPont/Showa Denko joint venture terminated. Showa Denko took over 100% of the Chloroprene production plant in Japan. |
| 2010 | United States of America – Anti-Dumping Duty on Japanese chloroprene was lifted. |
| 2012 | First US warehouse opened in Cincinnati, OH. |
| 2015 | Second US warehouse opened in Rancho Cucamonga, CA. |
Liquid Dispersion – Latex Grades
Showa Denko Latex is available in both anionic and non-ionic forms.
| GRADE | POLARITY | SOLID CONTENT (%) | POLYMER STRUCTURE | CRYSTALLIZATION RATE | OTHER CHARACTERISTICS | |
| GEL CONTENT | HOMO /COPOLYMER | |||||
| 400 | Anionic | 50 | Medium | Copolymer | Extremely fast | Ozone,Weatherability |
| 750 | Anionic | 50 | Medium | Copolymer | Extremely slow | Flex, excellent elasticity |
| 753 | Anionic | 50 | Medium | Copolymer | Extremely slow | Flex, excellent elasticity with accelerator-free |
| 650 | Anionic | 60 | Medium | Copolymer | Extremely slow | High solid version of LD750 |
| 654 | Anionic | 59 | Low | Copolymer | Low | Low modulus |
| 842A | Anionic | 50 | High | Homopolymer | Very slow | High cure rate |
| 671A | Anionic | 59 | Med-High | Homopolymer | Medium-Slow | High wet gel strength |
| SL101 | Non ionic | 59 | Med-High | Homopolymer | Medium-Slow | Colloidal stability at low pH |
| 572 | Anionic | 50 | High | Homopolymer | Fast | Quick Grab strength |
| 571 | Anionic | 50 | High | Homopolymer | Slow | General Purpose, High cure rate |
| 115 | Non ionic | 47.5 | Low | Copolymer | Slow | Carboxylated,Hot bond strength |
| SD77S | Anionic | 55 | Sol(No gel) | Homopolymer | Very fast | Quick break for foam bonding |
| SD100 | Anionic | 55 | Sol(No gel) | Homopolymer | Very fast | Excellent Quick break for foam bonding |
| SND 57 | Anionic | 58 | Sol(No gel) | Homopolymer | Medium | Tackiness, very low MW |
| SD78 | Anionic | 60 | Med-High | Copolymer | Fast-Medium | Wood High Pressure Laminate |
Dry Grades – General Application
Resonac Chloroprene has four different types: A, W, T and G. Dry Grade – General Purpose
| GRADE | MOONEY VISCOSITY [ML 1+4，100℃] |
CRYSTALLIZATION RATE | OTHER CHARACTERISTICS |
| G Types (Sulfur-modified Group) | |||
| GW | 37－49 | Slow | Sulfur modified G type with better heat and compression set resistance than GN and GRT |
| W Types (Basic Group) | |||
| W | 42－51 | Medium | Standard grade for general purpose |
| WHV | 109－130 | Medium | Higher viscosity version of W for high loading application and general adhesives |
| WHV100 | 95－105 | Medium | Lower viscosity version of WHV |
| W Types (Crystallization Resistant Group) | |||
| WXJ | 42－51 | Very Slow | Good low temperature properties for general use |
| WRT | 42－51 | Extremely slow | Excellent low temperature properties |
| W Types (Extrusion & Calendering) | |||
| WB | 42－51 | Medium | Best extrusion and calendering properties |
| WXK | 73－89 | Very Slow | Good low temperature properties with better extrudability |
| WXKT | 106－117 | Very Slow | Higher viscosity version of WX-K for high loading use |
| W Types (Low Mold Fouling Group) | |||
| WK | 42－51 | Medium | Better mold release version of W with good mill-and flow-ability |
| WXJK | 42－51 | Very Slow | Improved mold release version of WXJ with good mill-ability |
| SND35 | 63－73 | Extremely slow | More excellent low temperature properties of WRT with improved mold release for injection molding goods |
| T Types (Specific Group for Extrusion, Calendering) | |||
| TW | 42－51 | Medium | Superior extrusion and calendering grade with good tensile properties |
| TW100 | 85－102 | Medium | Higher viscosity version of TW for high loading use |
| TRT | 42－51 | Extremely slow | Excellent low temperature properties with better processability |
* Please contact your regional account representative for supply availability.
Dry Grades – Adhesive Application
| GRADE | MOONEY VISCOSITY [ML 1+4，100℃] |
CRYSTALLIZATION RATE | FORM | OTHER CHARACTERISTICS |
| W Types | ||||
| W | 42－51 | Medium | Chip/Slice | Most common grade |
| WHV | 109－130 | Medium | Slice | Higher viscosity version of W. |
| WHV100 | 95－105 | Medium | Chip/Slice | Lower viscosity version of WHV. |
| WXJ | 42－51 | Very slow | Chip | Soft film and high tack at low temperature. |
| WRT | 42－51 | Extremely slow | Chip | Extremely soft film and high tack at low temperature. |
| A Types | ||||
| AC | 31－43* | Very fast | Chip | Adhesives and paints use with good breakdown properties |
| ADS | 10－35* | Very Fast | Chip | Low solution viscosity of AD, low VOC adhesive potential |
| AD | 33－46* | Very fast | Slice | Adhesives and paints use with good solution viscosity stability |
| AD40*** | 76－115* | Very fast | Slice | High solution viscosity version of AD |
| AF | 45－115** | Slow | Chip | Excellent hot bond strength. Carboxylated. |
| AG | 80-130 | Medium-Slow | Slice | Excellent sprayability, thixotropy. |
* Brookfield viscosity of 5% raw polymer solution in toluene at 25℃, [mPas] ** Brookfield viscosity of 10% raw polymer solution in toluene/hexane(60/40 vol/vol) at 25℃, [mPas] *** Produce to Order