Chlorinated Polyethylene Rubber
Chlorinated Polyethylene Rubber: High-Performance Industrial Material
Chlorinated Polyethylene Rubber (CPE) is a specialized synthetic rubber offering excellent resistance to heat, oils, chemicals and weathering. Widely used in automotive, construction and industrial applications, our CPE products meet the highest quality standards.
Key Technical Specifications
- Chlorine Content: 25-45% by weight
- Density: 1.10-1.25 g/cm³
- Tensile Strength: 10-15 MPa
- Elongation at Break: 200-500%
- Hardness (Shore A): 60-90
- Heat Resistance: Up to 150°C continuous service
- Low Temperature Flexibility: -40°C to -50°C
Performance Comparison Table
| Property | Standard CPE | Premium CPE |
|---|---|---|
| Weather Resistance | Excellent | Outstanding |
| Chemical Resistance | Good | Excellent |
| Flame Retardancy | V-1 Rating | V-0 Rating |
| Oil Resistance | Good | Excellent |
FAQ Section
What are the primary applications of Chlorinated Polyethylene Rubber?
Chlorinated Polyethylene Rubber is extensively used in wire and cable jacketing, automotive hoses, industrial belts, roof membranes, and as a modifier for PVC and other plastics. Its excellent weather resistance makes it ideal for outdoor applications.
How does Chlorinated Polyethylene Rubber compare to traditional rubber materials?
Chlorinated Polyethylene Rubber offers superior resistance to heat, ozone and chemicals compared to natural rubber or SBR. It maintains flexibility at low temperatures while providing better flame retardant properties than most conventional rubbers.
Material Grades Available
- CPE 135A: Standard grade for general purpose applications
- CPE 235B: Enhanced oil and chemical resistance
- CPE 300H: High temperature variant for demanding environments
- CPE 400F: Flame retardant formulation for electrical applications
Processing Information
| Process | Temperature Range | Recommended Equipment |
|---|---|---|
| Extrusion | 140-180°C | Single screw extruders |
| Calendering | 150-170°C | 4-roll calenders |
| Compression Molding | 160-190°C | Hydraulic presses |
What storage conditions are recommended for Chlorinated Polyethylene Rubber?
Chlorinated Polyethylene Rubber should be stored in cool (below 35°C), dry conditions away from direct sunlight. Keep in original packaging until use and avoid contact with strong oxidizers. Properly stored material maintains its properties for 12-18 months.
Compliance and Certifications
Our Chlorinated Polyethylene Rubber meets the following international standards:
- UL 94 Flame Classification
- RoHS and REACH compliant
- ASTM D2000 specifications
- ISO 9001 quality management
Customization Options
We offer tailored solutions for specific application requirements:
- Custom chlorine content adjustment
- Special color formulations
- Modified flow characteristics
- Enhanced UV stabilization packages