Description
🔍 Technical Specifications of Chloroprene Rubber CR2443
| Property | Specification |
|---|---|
| Product Name | Chloroprene Rubber CR2443 |
| Chemical Structure | Poly(chloroprene) |
| Form | Chips / Pellets |
| Color | Pale yellow to light brown |
| Mooney Viscosity (ML 1+4, 100°C) | 38–48 |
| Crystallization Rate | Medium |
| Tensile Strength | ≥ 21 MPa (depending on formulation) |
| Elongation at Break | ≥ 600% |
| Specific Gravity | ~1.23 g/cmÂł |
| Hardness (Shore A) | 40–80 (compound dependent) |
| Heat Resistance | Good (up to 120°C continuous use) |
| Flame Retardancy | Self-extinguishing (UL-94 rated compounds) |
| Packaging | 25 kg PE-lined kraft bags or customized options |
đź’ˇ Key Applications of CR2443
1. Adhesive Industry
CR2443 is extensively used in solvent-based adhesives due to its superior tack, good cohesion, and chemical compatibility with resins. Ideal for shoe soles, foam laminations, and automotive trim bonding.
2. Automotive and Mechanical Components
Its resistance to oil, heat, and ozone makes CR2443 suitable for hoses, belts, gaskets, and CV joint boots, particularly in under-the-hood applications.
3. Wire and Cable Insulation
The flame-retardant properties of CR2443 make it a preferred choice for cable jackets and insulation sheaths, especially in environments requiring fire safety compliance.
4. Industrial Rubber Goods
Used in conveyor belts, diaphragms, seals, and vibration dampers, CR2443 offers excellent durability and mechanical resilience.
âś… Advantages of CR2443 Chloroprene Rubber
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✔️ Excellent flame retardancy—meets safety regulations in electrical and automotive sectors
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✔️ Weather and ozone resistance—ideal for outdoor and industrial use
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✔️ Strong bonding properties—preferred for adhesives and composite manufacturing
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✔️ Resists aging and oxidation—ensures long service life
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✔️ Good mechanical strength and flexibility—versatile across industries
⚠️ Safety & Handling
When handling CR2443:
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Avoid direct contact with eyes and skin.
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Store in cool, dry areas away from heat and direct sunlight.
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Recommended to use with ventilation or extraction systems during processing.
đź“Ś Conclusion
Chloroprene Rubber CR2443 is a versatile and high-performance neoprene material offering outstanding mechanical, chemical, and thermal properties. Whether used in adhesives, cables, automotive components, or industrial rubber products, CR2443 provides a robust, flame-retardant, and durable solution for modern manufacturing needs. With consistent performance and wide adaptability, CR2443 is the go-to chloroprene rubber for critical and high-demand applications.
