Currently, commercial CPE rubber products typically have a chlorine content ranging between 25-45%. Generally, increasing chlorine content improves oil resistance, gas barrier properties, and flame retardancy, while reducing chlorine content enhances cold resistance, elasticity, and compression set performance.

Key Features:

1. Saturated Rubber Properties

• Excellent resistance to thermal-oxidative aging and ozone aging

• Outstanding chemical resistance to acids, alkalis, and various chemicals

• Maintains stable performance in harsh environments

2. Superior Oil Resistance

• Exceptional resistance to ASTM No.1 and No.2 oils (comparable to NBR)

• Excellent resistance to ASTM No.3 oil (superior to CR, comparable to CSM)

• Performs well in various oil exposure applications

3. Flame Retardancy

• Contains chlorine element providing excellent flame retardant properties

• Exhibits anti-dripping characteristics during combustion

• Optimal formulation with antimony-based flame retardants, chlorinated paraffin, and Al(OH)₃ achieves cost-effective flame retardant materials

4. Environmental Compliance

• Non-toxic formulation

• Free from heavy metals and PAHs

• Fully complies with international environmental regulations

5. Processing Advantages

• High filler-loading capacity for customized product performance

• Excellent processability with Mooney viscosity (ML121 1+4) ranging 50-100

• Multiple grades available for different application requirements

Performance Optimization:

• Chlorine content adjustment allows property customization

• 25-30% Cl: Optimized for low-temperature applications

• 35-45% Cl: Enhanced for flame retardant and oil-resistant uses

• Balanced 30-35% Cl: General-purpose applications with good all-around properties

Note: The specific properties can be fine-tuned through chlorine content adjustment and compounding techniques to meet various industrial requirements.

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