Chlorinated Polyethylene (CPE) CAS 63231-66-3 / 64754-90-1: Comprehensive User Guide
Table of Contents
1. Product Overview & Technical Specifications
Chlorinated Polyethylene (CPE), identified by CAS numbers 63231-66-3 and 64754-90-1, is an elastomeric polymer modified through chlorination of high-density polyethylene. This versatile material exhibits exceptional resistance to heat, oils, and weathering.
| Parameter | CPE 135A | CPE 245T | Industry Standard |
|---|---|---|---|
| Chlorine Content (%) | 34-36 | 24-26 | ASTM D792 |
| Density (g/cm³) | 1.16-1.22 | 1.12-1.15 | ISO 1183 |
| Mooney Viscosity (ML 1+4, 121°C) | 50-70 | 30-50 | ASTM D1646 |
| Tensile Strength (MPa) | 10.5-12.5 | 8.5-10.0 | ISO 37 |
2. Key Applications of Chlorinated Polyethylene
2.1 PVC Modification
Enhances impact resistance in PVC profiles (doors, windows) and piping systems through 5-15% CPE integration.
2.2 Wire & Cable Insulation
Provides flame retardancy (UL94 V-0 rating) and maintains flexibility at -40°C to 105°C operational temperatures.
2.3 Rubber Compounding
Improves ozone resistance in automotive seals with 20-30% CPE replacement of traditional rubbers.
3. Operational Guidelines & Best Practices
| Process Stage | Recommendations | Safety Parameters |
|---|---|---|
| Storage | Maintain below 35°C in moisture-proof packaging | NFPA 704: Health 1, Flammability 0 |
| Compounding | Optimize at 160-180°C mixing temperature | Use local exhaust ventilation |
4. Industry-Specific Use Cases
4.1 Construction Sector
CPE-modified PVC roofing membranes demonstrate 25-year weatherability in ASTM D4434 testing.
4.2 Automotive Applications
Underhood components using CPE show 40% improvement in heat aging resistance at 125°C.
5. Customer Success Stories
Case 1: Indian PVC Pipe Manufacturer
Challenge: Achieve ISI certification for cold-weather performance
Solution: 12% CPE 245T incorporation
Result: Passed IS 4985:2000 at -10°C impact test
Case 2: German Automotive Supplier
Challenge: Replace CSM rubber in sealing systems
Solution: CPE 135A-based compound
Result: 18% cost reduction with equivalent DIN 53504 performance
6. Request Customized Solutions
Contact our material engineers for technical consultation:
Email: info@vivalr.com
Tel: (86) 15866781826
Request formulation assistance for:
– Custom chlorine content (20-45%)
– Specialty grades for extreme environments
– Regulatory compliance support (REACH, RoHS)
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