Superior Electromagnetic Protection with Unmatched Performance
Rogers PORON® foam gaskets represent the pinnacle of electromagnetic interference (EMI) shielding technology, combining advanced microcellular polyurethane foam construction with specialized conductive properties to deliver exceptional protection for sensitive electronic applications. These high-performance gaskets provide reliable electromagnetic shielding while maintaining the superior sealing, cushioning, and durability characteristics that have made PORON® the industry standard for over 65 years.
Key Features & Benefits
Advanced EMI/RFI Shielding Performance
- Effective reduction of electromagnetic and radio frequency interference for compact handheld electronics, communication devices, electronic enclosures and laptop computers
- Reliable grounding and effective shielding against electromagnetic interference with low electrical resistance and high electrical conductivity
- Protects sensitive electronic components from unwanted electromagnetic signals and noise
Superior Material Properties
- Microcellular Structure: Fine pitch open-cell foam with approximately 100-micron average cell size for optimal performance
- Excellent Compression Set Resistance: Maintains thickness over time for more consistent electrical connections
- Low Outgassing: Non-fogging, non-corrosive formulation containing no plasticizers or residual chemicals
- Flame Retardant: Inherently flame retardant without additives, meeting UL HBF and MVSS 302 flammability requirements
Versatile Design Capabilities
- Wide Thickness Range: Available from 0.004″ (0.10mm) to 0.500″ (12.7mm) thick
- Multiple Density Options: Various formulations from extra-soft to very firm grades for different closure force requirements
- Temperature Stability: Functional across temperature ranges from -40°C to 121°C depending on grade
- Precision Fabrication: Die cuts with clean, straight edges for optimum performance
Enhanced Sealing Performance
- Water-Tight Sealing: Despite open-cell design, provides excellent water-tight seals with proper compression
- Conformability: Conforms to smallest and most intricate designs for reliable gasketing
- Consistent Closure Force: Unique cellular properties allow for consistent closure force with very limited stress relaxation
Primary Applications
Electronics & Communications
- Handheld electronic devices and smartphones
- Communication equipment and wireless devices
- Computer enclosures and laptop assemblies
- Electronic control panels and displays
Industrial Equipment
- Appliance, automotive, aerospace, and electronics markets
- Industrial control systems and machinery
- HVAC equipment and environmental enclosures
- Test and measurement equipment
Specialized Applications
- HEV (Hybrid Electric Vehicle) and medical devices
- Military and defense electronics
- Telecommunications infrastructure
- Data center equipment
Technical Specifications
Standard Product Grades
- PORON® 4701 Series: Available in densities from very soft (4701-30) to very firm (4701-60)
- PORON® 4790-92: Extra-soft, slow rebound grade for very low closure force applications
- PORON® Condux Plus™: Specialized electrically conductive foam with integrated conductive adhesive
Adhesive Options
- Pressure-sensitive adhesive backing available for easy installation
- Single or double-sided adhesive configurations
- Medical grade and low outgassing adhesive options
- High-temperature and flame retardant adhesive systems
Customization Capabilities
- Custom laser cutting, die cutting, and water jet cutting to precise specifications
- Complex shapes, gaskets, washers, and strips
- Laminated constructions for enhanced properties
- Prototype and production quantities available
Quality & Compliance
Industry Standards
- UL HBF and MVSS 302 flammability compliance
- UL 94 V-0 rating available in select grades
- RoHS compliant formulations
- Military and aerospace specifications available
Performance Characteristics
- Will not become brittle, crumble, or corrode metals over time
- Excellent long-term compression set resistance
- Superior recovery characteristics after repeated compression cycles
- Stable performance across wide temperature ranges
Why Choose Rogers PORON® EMI Shielding Gaskets?
Proven Performance: Rogers Corporation introduced PORON® in 1958 and has continuously refined the technology for over 65 years, making it the trusted choice for demanding EMI shielding applications.
Engineering Support: Access to Rogers’ team of knowledgeable sales and applications engineers for design guidance and technical support.
Manufacturing Excellence: Available through Rogers’ exclusive network of Preferred Converters who deliver exceptional service and precision fabrication capabilities.
Design Flexibility: Wide range of materials available to meet versatile design requirements with comprehensive tools and resources for material selection and application design.
Reliable Supply Chain: Direct manufacturer relationships ensure consistent quality, competitive pricing, and reliable delivery for both prototype and production requirements.