Introduction
In today's interconnected electronic landscape, effective electromagnetic interference shielding has become paramount for maintaining device functionality and regulatory compliance. The Flexible Sponge Elastomers Conductive Foam Gasket for EMI Shielding With Adhesive ESD Protection and RF Immunity Die Cut represents a sophisticated solution engineered to address the complex challenges of modern electronic enclosures. This innovative gasket technology combines advanced elastomeric properties with superior conductive characteristics, delivering comprehensive protection against electromagnetic interference while maintaining exceptional flexibility and durability.
The growing complexity of electronic systems across industries has intensified the demand for reliable EMI shielding solutions that can adapt to diverse design requirements. This conductive foam gasket addresses these evolving needs by providing a versatile platform that seamlessly integrates into various electronic assemblies, ensuring optimal performance across a wide spectrum of applications while maintaining cost-effectiveness and manufacturing efficiency.
Product Overview
The Flexible Sponge Elastomers Conductive Foam Gasket for EMI Shielding With Adhesive ESD Protection and RF Immunity Die Cut exemplifies cutting-edge materials engineering, featuring a sophisticated blend of elastomeric polymers infused with conductive particles. This unique composition creates a flexible yet robust barrier that effectively attenuates electromagnetic radiation while providing reliable electrostatic discharge protection. The die-cut manufacturing process ensures precise dimensional accuracy and consistent performance characteristics across production runs.
This advanced gasket solution incorporates pressure-sensitive adhesive backing that simplifies installation procedures and enhances assembly efficiency. The carefully formulated adhesive system provides strong initial tack while maintaining repositionability during installation, ensuring proper alignment and optimal sealing performance. The elastomeric matrix delivers exceptional compression characteristics, allowing the gasket to conform to irregular surfaces and maintain consistent electrical contact even under varying environmental conditions.
The conductive foam construction utilizes specialized filler materials that create continuous electrical pathways throughout the gasket structure. This design approach ensures uniform conductivity distribution while maintaining the material's inherent flexibility and compression recovery properties. The result is a highly effective EMI shielding solution that adapts to dynamic mechanical stresses without compromising electrical performance or structural integrity.
Features & Benefits
Advanced Electromagnetic Interference Protection
The conductive foam gasket delivers comprehensive EMI shielding across broad frequency ranges, effectively attenuating both electric and magnetic field components. The carefully engineered conductive network within the elastomeric matrix ensures consistent shielding effectiveness while maintaining material flexibility. This combination enables reliable protection against electromagnetic interference in demanding applications where traditional metallic shielding solutions may prove inadequate due to weight, corrosion, or assembly constraints.
Superior Electrostatic Discharge Protection
Integrated ESD protection capabilities safeguard sensitive electronic components from potentially damaging electrostatic discharge events. The conductive pathway design facilitates controlled static charge dissipation while maintaining safe voltage levels throughout the protected enclosure. This dual-function approach eliminates the need for separate ESD protection components, streamlining assembly processes and reducing overall system complexity while ensuring comprehensive protection.
Exceptional Material Flexibility and Durability
The elastomeric foundation provides outstanding compression set resistance and long-term durability under cyclic loading conditions. The material maintains its sealing and conductive properties through repeated compression and release cycles, ensuring consistent performance throughout extended service life. This resilience makes the gasket particularly suitable for applications involving frequent access panels, removable covers, or equipment subject to vibration and thermal cycling.
Precision Die-Cut Manufacturing
Advanced die-cutting technology enables complex geometries and tight dimensional tolerances, accommodating intricate enclosure designs and challenging installation requirements. The precision manufacturing process ensures consistent thickness uniformity and clean edge profiles, facilitating reliable installation and optimal sealing performance. Custom die-cutting capabilities allow for application-specific shapes and configurations, maximizing design flexibility while maintaining manufacturing efficiency.
Applications & Use Cases
The versatile nature of the Flexible Sponge Elastomers Conductive Foam Gasket for EMI Shielding With Adhesive ESD Protection and RF Immunity Die Cut makes it suitable for diverse electronic applications across multiple industries. Telecommunications equipment manufacturers rely on this gasket technology for protecting sensitive RF circuits and maintaining signal integrity in base stations, repeaters, and network infrastructure equipment. The material's ability to provide consistent shielding performance while accommodating thermal expansion and mechanical stress makes it ideal for outdoor installations and harsh environment applications.
Automotive electronics applications benefit significantly from the gasket's combination of EMI protection and environmental sealing capabilities. Electronic control units, infotainment systems, and advanced driver assistance systems require reliable electromagnetic compatibility to ensure proper operation in the increasingly complex automotive electromagnetic environment. The gasket's flexibility and adhesive properties facilitate integration into space-constrained automotive assemblies while providing long-term reliability under automotive operating conditions.
Medical device manufacturers utilize this conductive gasket solution to ensure electromagnetic compatibility compliance while protecting sensitive diagnostic and therapeutic equipment. The material's biocompatible properties and reliable shielding performance support critical medical applications where electromagnetic interference could compromise device functionality or patient safety. The precision die-cutting capability accommodates the complex geometries often required in medical device enclosures.
Industrial automation and control systems represent another significant application area where the gasket's robust construction and reliable performance prove essential. Manufacturing equipment, process control systems, and instrumentation require consistent EMI protection to maintain operational accuracy and prevent interference-related malfunctions. The gasket's ability to maintain sealing integrity under industrial environmental conditions while providing effective electromagnetic shielding supports reliable operation in demanding manufacturing environments.
Quality Control & Compliance
Rigorous quality control protocols ensure consistent performance characteristics and dimensional accuracy throughout production. Advanced material testing procedures verify electrical conductivity, compression properties, and adhesive performance under various environmental conditions. These comprehensive testing protocols encompass thermal cycling, humidity exposure, and accelerated aging assessments to validate long-term reliability and performance stability.
The manufacturing process incorporates statistical process control methodologies to monitor critical parameters and maintain consistent product quality. Incoming material inspection procedures verify raw material specifications and properties before production, while in-process monitoring ensures adherence to established manufacturing parameters. Final inspection protocols validate dimensional accuracy, electrical properties, and adhesive performance before product release.
Environmental compliance considerations are integrated throughout the material selection and manufacturing processes. The gasket formulation meets stringent environmental regulations while maintaining superior performance characteristics. Comprehensive documentation supports customer compliance requirements and facilitates integration into regulated industries where traceability and certification are essential.
Customization & Branding Options
Extensive customization capabilities accommodate unique application requirements and design specifications. The die-cutting process supports complex geometries, multiple thickness options, and specialized configurations tailored to specific enclosure designs. Custom adhesive formulations can be developed to meet unique bonding requirements or environmental conditions, ensuring optimal performance in challenging applications.
Advanced material engineering capabilities enable customization of electrical properties, compression characteristics, and environmental resistance to match specific application needs. This flexibility allows customers to optimize gasket performance for their unique requirements while maintaining cost-effectiveness and manufacturing efficiency. Technical collaboration during the design phase ensures optimal integration and performance in the final application.
Specialized packaging and identification options support customer branding and inventory management requirements. Custom packaging configurations, labeling systems, and documentation can be developed to integrate seamlessly with customer assembly processes. These value-added services streamline supply chain management and enhance operational efficiency for customers across diverse industries.
Packaging & Logistics Support
Comprehensive packaging solutions protect product integrity during transportation and storage while facilitating efficient handling and installation. Specialized packaging materials and configurations are designed to prevent contamination, mechanical damage, and adhesive degradation during extended storage periods. Environmental protection measures ensure consistent product performance regardless of storage conditions or transportation duration.
Flexible packaging configurations accommodate various order quantities and customer requirements, from prototype quantities to full production volumes. Standardized packaging formats support efficient inventory management and streamlined assembly processes, while custom packaging solutions can be developed for specialized applications or unique handling requirements.
Global logistics support ensures reliable delivery and consistent product availability across international markets. Established distribution networks and strategic inventory positioning minimize lead times and support customer production schedules. Comprehensive documentation and regulatory compliance support facilitate smooth international shipments and customs clearance processes.
Why Choose Us
With extensive experience serving international markets across diverse industries, our company has established a reputation for delivering innovative EMI shielding solutions that meet the evolving needs of global electronics manufacturers. Our comprehensive understanding of electromagnetic compatibility requirements and materials engineering enables us to provide superior products that consistently exceed customer expectations for performance, reliability, and value.
Our role as a trusted metal packaging supplier and custom tin box supplier has provided valuable insights into precision manufacturing and quality control that directly benefit our conductive gasket products. This cross-industry expertise enables us to apply proven manufacturing methodologies and quality assurance practices across our entire product portfolio, ensuring consistent excellence and reliability.
The Flexible Sponge Elastomers Conductive Foam Gasket for EMI Shielding With Adhesive ESD Protection and RF Immunity Die Cut represents our commitment to innovation and customer success. Our dedicated technical support team works closely with customers throughout the design and implementation process, providing expert guidance and customization capabilities that ensure optimal performance in each specific application. This collaborative approach has enabled successful partnerships with leading electronics manufacturers worldwide.
Our comprehensive quality management system and continuous improvement initiatives ensure consistent product excellence and customer satisfaction. Regular technology investments and research and development activities maintain our position at the forefront of EMI shielding technology, enabling us to anticipate and address emerging market needs with innovative solutions.
Conclusion
The Flexible Sponge Elastomers Conductive Foam Gasket for EMI Shielding With Adhesive ESD Protection and RF Immunity Die Cut delivers a comprehensive solution for modern electromagnetic interference challenges while providing exceptional value and performance reliability. Its unique combination of advanced materials engineering, precision manufacturing, and versatile customization capabilities makes it an ideal choice for diverse electronic applications across multiple industries. The gasket's superior flexibility, reliable conductivity, and integrated ESD protection ensure optimal performance in demanding environments while supporting efficient assembly processes and long-term operational reliability. This innovative solution represents the evolution of EMI shielding technology, providing electronics manufacturers with the tools needed to meet increasingly stringent electromagnetic compatibility requirements while maintaining design flexibility and cost-effectiveness.
Johan ECF (Elastic Conductive Foam)
Technical Data Sheet
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Updated: May,2021
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Description
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This grounding foam is made of high-rebound elastomer base and super thin conductive fabric or film and suitable for high requirement grounding in super thin space. Due to its unique structure, it shows low electrical resistance and stable physical properties even after tough environment test. |
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Structure

Application
Typical Physical Properties |
The following technical information and data should be considered representative or typical only and should not be used for specification purposes. |
Compression Rate |
0% |
30% |
50% |
70% |
Through-Resistance(Ω) |
0.179 |
0.080 |
0.051 |
0.045 |
Compression Rate |
0% |
30% |
50% |
70% |
Through-Resistance(Ω) |
0.201 |
0.115 |
0.070 |
0.058 |




Other dimension could be customized per demand.
(Fabric/Film with Au-plating work better with high refresh rate display including LCD and provide more stable performance over time)

(Working Height: 0.20mm ECF-SF-05S3 Fabric-Ni-Plating)

(Working Height: 0.30mm ECF-SF-07S3 Fabric-Ni-Plating)

(Working Height: 0.20mm ECF-SF-05S3GP Fabric-Au-Plating )

(Working Height: 0.33mm ECF-SF-07S3GP Fabric-Au-Plating)

Company Profile
We cater primarily to the consumer electronics, communication networks, and emerging energy vehicle sectors. To back ourcommitment to quality and innovation, we have established a national production base across four strategic locations:
1. A 1,000-square-meter new material formula R&D center in Shenzhen.
2. A 2,000-square-meter innovative grounding wrapping production plant in Dongguan.
3. A 10,000-square-meter conductive shielding tape coating plant in Hunan.
4. A 1,000-square-meter magnetron sputtering continuous gold/tin plating plant in Shandong.
As the only vertically integrated integrator in China offering electroplating, coating, and processing capabilities, we strive to become a leading innovator and provider of core values within the materials industry chain. Our ultimate goal is to be a long-term trusted solution provider and partner for our customers in addressing their challenges.
System certification




Invention Patent





FAQ
We are based in Guangdong, China, start from 2011,sell to South Asia(10.00%). There are total about 101-200 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Shielding tape,Adhesive tapes,Waterproof and breathable membrane,Customized production,Raw material die-cutting
4. why should you buy from us not from other suppliers?
Shenzhen Johan Material Tech Co., Ltd. was established in 2011, and is an innovative national high-tech enterprise providing
innovative EMC (electromagnetic compatibility) grounding elastomers and customized tape solutions for the electronics indus
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES;
Accepted Payment Currency: USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken: English,Chinese