Silicone Sleeves for Corona Treater – High Performance Dielectric Sleeves by AMI Polymer
Introducing In modern packaging and film processing industries, corona treatment is an essential process used to improve surface adhesion for printing, coating, and lamination. To ensure efficient corona discharge performance, high-quality dielectric insulation components are required.
AMI Polymer manufactures premium Silicone Sleeves for Corona Treater systems, engineered with specialized silicone rubber compounds to provide exceptional electrical insulation, thermal stability, and chemical resistance. These sleeves are designed to operate in demanding industrial environments while ensuring consistent corona treatment performance.
What Are Silicone Sleeves for Corona Treater?
Silicone sleeves are dielectric insulating sleeves installed on treater rollers in corona treatment systems. Their primary function is to provide uniform insulation and controlled discharge, allowing the corona system to effectively modify the surface energy of materials such as plastic films, foils, and laminates.
The silicone sleeves manufactured by AMI Polymer are produced with precision engineering and tight dimensional tolerances, ensuring optimal fit and reliable performance in high-voltage corona treatment applications.
Key Features of AMI Polymer Silicone Sleeves
• High dielectric strength for stable corona discharge
• Excellent thermal resistance for continuous industrial operations
• Outstanding chemical and solvent resistance
• Manufactured with close tolerance for consistent performance
• Durable silicone elastomer construction
Suitable for harsh industrial environments
These features make AMI Polymer silicone sleeves ideal for industries requiring precision surface treatment processes.
Technical Properties
AMI Polymer silicone sleeves are engineered with superior physical and electrical properties:
| Property | Value |
| Working Temperature Range | -70°C to +230°C |
| Tensile Strength | ~9 MPa |
| Elongation at Break | 350% |
| Tear Strength | 20 N/mm |
| Hardness | 65 ±5 Shore A |
| Compression Set (22 hrs at 175°C) | 30% |
| Density | 1.15 g/cm³ |
| Dielectric Strength | 18–22 kV/mm |
| Tracking Resistance | 3.5 kV / 10–30 minutes |
| Arc Resistance | 80–100 seconds |
| Surface Resistance | 10¹² – 10¹³ Ω |
| Volume Resistivity | 10¹⁵ – 10¹⁶ Ω·cm |
These properties ensure long service life, high insulation reliability, and stable corona performance.
Standard Sizes Available
AMI Polymer offers silicone sleeves for a variety of corona treater roller diameters, including:
• 50 mm (2 inch)
• 75 mm (3 inch)
• 98 mm (4 inch)
Additional sizes can also be custom manufactured based on specific treater roll diameters & application requirements.
Wall thickness options typically include:
• 2 mm
• 2.5 mm
• 3 mm
• 4 mm
This flexibility ensures compatibility with different corona treatment machines.
Applications of Silicone Sleeves
AMI Polymer silicone sleeves are widely used in industries such as:
• Flexible packaging
• Plastic film manufacturing
• Printing and lamination
• Foil and paper processing
• Packaging material surface treatment
Their excellent dielectric performance and durability make them essential components in corona treatment systems.
Why Choose AMI Polymer?
AMI Polymer is a trusted manufacturer of high-performance silicone and polymer components for industrial, pharmaceutical, and medical applications.
Key advantages include:
• Advanced European manufacturing technology
• Strict quality control and precision engineering
• Customization according to client specifications
• Reliable global supply capabilities
• Expertise in silicone rubber engineering
With years of industry experience, AMI Polymer delivers high-quality dielectric silicone sleeves designed for durability, efficiency, and consistent corona treatment performance.
