CR2444 Polychloroprene Rubber
Product Overview
CR244 is a specialized adhesive-grade polychloroprene rubber manufactured by HuojiaChanghua, specifically designed for contact adhesive applications. This high-performance synthetic rubber provides excellent bonding strength and versatility for various substrate combinations.
The CR244 series offers multiple viscosity grades to meet different application requirements, from low-viscosity formulations for easy application to high-viscosity grades for demanding structural bonding applications.
| Property | Unit | Value | Standard |
|---|---|---|---|
| Mooney Viscosity ML(1+4)100°C | - | 85±5 | GB/T 1232.1 |
| Volatile Matter | % | ≤1.0 | GB/T 1232.1 |
| Ash Content | % | ≤1.0 | GB/T 4498.1 |
| Tensile Strength | MPa | ≥26 | GB/T 528 |
| Elongation at Break | % | ≥300 | GB/T 528 |
| Shore A Hardness | - | 75±5 | GB/T 531.1 |
| Compression Set (%) 22h×70°C | - | ≤18 | GB/T 7759.1 |
| Heat Aging 70°C×168h Tensile Strength Change | % | ≤±15 | GB/T 3512 |
| Heat Aging 70°C×168h Elongation Change | % | ≤±20 | GB/T 3512 |
Technical Specifications
Manufactured according to Q/JYS25-2014 standard
ISO 9001:2015 certified production facility
Batch-to-batch consistency testing
Application testing support available
Technical documentation and MSDS provided
Key Features / Benefits
Excellent adhesion to various substrates
Fast tack development and strong initial bond
Good heat and chemical resistance
Flexible bond line maintains elasticity
Wide range of viscosity options available
Compatible with various solvents and additives
Applications
Contact adhesives for rubber-to-metal bonding
Leather and textile lamination adhesives
Fiber reinforcement bonding applications
Wood and furniture assembly adhesives
Construction and building material bonding
Cement product adhesive formulations
Packaging & Storage
Standard packaging: 25kg per bale, wrapped in polyethylene film.
Store in cool, dry conditions away from heat.
Protect from sunlight.
Processing Notes
Recommended solvent systems: Toluene, MEK, or approved solvent blends
Typical solid content: 15-25% depending on application requirements
Application temperature: 15-35°C for optimal performance
Open time: 5-30 minutes depending on grade and conditions
Cure time: 24-48 hours for full bond development
Request Quote
For detailed specifications, pricing, and availability of CR2444 Polychloroprene Rubber, please contact our sales team.
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