| Index | Specification | |
| Viscosity in 5% toluene solution (mPa.s) | CR2440 | 12-24 |
| CR2441 | 25-34 | |
| CR2442 | 35-33 | |
| CR2443 | 54-75 | |
| CR2444 | 76-115 | |
| CR244A | 116-140 | |
| CR244B | ≥ 140 | |
| Peel Strength (N/cm ≥) | 90 | |
| Volatile (%≤) | 1.2 | |
| Ash (%≤) | 1.2 | |
Chloroprene Rubber CR2442
CAS Number:
9010-98-4
Other Trading Names:
- Neoprene Rubber
- Polychloroprene rubber
- SN232/SN242
- DenkaPM-40
- Denka A-90
- DuPont AD-20
- Lanxess 320
Type of Packaging :
- 25kg net Kraft paper bags
HS Code:
400249
Chloroprene Rubber CR2442 – High-Performance, Slow Crystallization Elastomer for Demanding Applications
We supply premium Chloroprene Rubber CR2442. This slow crystallization grade CR2442 provides exceptional long-term flexibility and resilience. Consequently, manufacturers specifically choose CR2442 for dynamic applications requiring permanent movement. Moreover, CR2442 delivers superior resistance to ozone, weathering, and moderate chemicals.
Core Applications for CR2442 in Industry
This specialized elastomer targets advanced sectors requiring durable, flexible performance.
First, CR2442 serves as the primary material for critical automotive seals and hoses. Its slow crystallization ensures sealing integrity remains constant over time. Therefore, CR2442 is essential for weatherstrips, coolant hoses, and vibration isolators.
Second, CR2442 acts as a key elastomer for high-flex industrial components. Industries use it in flexible couplings, expansion joints, and conveyor belts. Furthermore, CR2442 maintains performance under continuous flexing and environmental exposure.
Third, CR2442 functions as an optimal compound for specialty molded goods. It is ideal for wetsuits, diving gear, and protective clothing. Thus, CR2442 provides the necessary flexibility and water resistance for these demanding products.
Finally, compounders utilize CR2442 in high-performance adhesives and sealants. These products benefit from its strong bonding and lasting elastic properties.
Critical Specifications for CR2442
Our CR2442 grade meets strict standards for processing consistency and final product quality.
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Product: Chloroprene Rubber CR2442
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Polymer Type: Slow Crystallization Rate
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Appearance: Pale yellow to amber bale
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Specific Gravity: Approximately 1.23
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Mooney Viscosity (ML 1+4 @ 100°C): 40 – 50
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Storage: Always store CR2442 in a cool, dry place away from direct sunlight and ozone sources.
Your Strategic CR2442 Wholesale Partner
We commit to reliable supply and exceptional support for all CR2442 clients.
We guarantee consistent slow-crystallization properties in every batch of CR2442. Our quality control actively tests each shipment to verify performance.
We provide industry-standard bulk packaging for CR2442. Available in 25 kg bales or larger palletized units, we tailor shipments to your production volume.
We offer highly competitive export pricing for CR2442. Our structure actively benefits automotive suppliers, industrial manufacturers, and global rubber distributors.
We ensure streamlined global logistics for CR2442 orders. All exports include complete SDS, COA, and technical documentation.
We deliver direct technical support for CR2442 processing. Our experts actively assist with compound formulation and curing optimization.

















