Introduction
In today's rapidly evolving electronics industry, electromagnetic interference remains one of the most critical challenges facing manufacturers and engineers worldwide. The Customized EMI Shielding Conductive Foam Gasket With Adhesive for ESD Protection Sponge Die Cut Electrical and RF Immunity represents a sophisticated solution designed to address the complex requirements of modern electronic devices and systems. This advanced protective component combines cutting-edge materials science with precision manufacturing techniques to deliver exceptional electromagnetic compatibility performance across diverse applications.
As electronic devices become increasingly compact and powerful, the need for effective electromagnetic shielding solutions has never been more pressing. Our conductive foam gaskets provide essential protection against unwanted electromagnetic interference while simultaneously offering robust electrostatic discharge protection. These specialized components serve as critical barriers that maintain signal integrity and ensure reliable operation of sensitive electronic equipment in challenging electromagnetic environments.
Product Overview
The Customized EMI Shielding Conductive Foam Gasket With Adhesive for ESD Protection Sponge Die Cut Electrical and RF Immunity represents a breakthrough in electromagnetic compatibility technology. This innovative solution combines the flexibility and conformability of specialized foam materials with the electromagnetic shielding properties of conductive elements, creating a versatile protective barrier that adapts to various surface geometries and application requirements.
Engineered with precision-formulated conductive polymers and advanced adhesive systems, these gaskets deliver consistent electromagnetic shielding effectiveness across a broad frequency spectrum. The die-cut manufacturing process ensures precise dimensional accuracy and enables complex geometric configurations that traditional manufacturing methods cannot achieve. Each gasket is carefully designed to provide optimal contact pressure while maintaining long-term durability and performance stability under demanding operational conditions.
The integrated adhesive backing system eliminates the need for additional fastening hardware while ensuring secure attachment to various substrate materials. This streamlined installation approach reduces assembly time and manufacturing complexity while maintaining the high-performance characteristics essential for critical electromagnetic compatibility applications.
Features & Benefits
Advanced Electromagnetic Shielding Performance
Our conductive foam gaskets deliver exceptional electromagnetic interference suppression capabilities across multiple frequency ranges, from low-frequency noise sources to high-frequency radio frequency emissions. The carefully engineered conductive matrix provides consistent attenuation characteristics while maintaining mechanical flexibility and environmental resilience. This balanced approach ensures reliable electromagnetic compatibility performance throughout the operational lifetime of electronic devices and systems.
Superior Electrostatic Discharge Protection
The specialized conductive properties of these gaskets provide effective electrostatic discharge protection for sensitive electronic components and assemblies. By creating controlled discharge paths and preventing static charge accumulation, these protective elements safeguard valuable electronic assets from potentially damaging electrostatic events. The consistent conductivity characteristics ensure reliable ESD protection performance across varying environmental conditions and operational scenarios.
Precision Die-Cut Manufacturing
Advanced die-cutting technology enables the production of complex geometric configurations with exceptional dimensional accuracy and repeatability. This precision manufacturing approach ensures consistent gasket performance while accommodating intricate design requirements and tight tolerance specifications. The clean-cut edges and precise dimensional control contribute to optimal sealing effectiveness and electromagnetic shielding performance.
Versatile Adhesive Integration
The integrated adhesive system provides secure attachment to diverse substrate materials while maintaining easy installation procedures. The carefully selected adhesive formulations offer excellent initial tack properties and long-term bond strength without compromising the electromagnetic performance characteristics of the gasket material. This versatile attachment system accommodates various surface textures and material compositions commonly encountered in electronic manufacturing applications.
Applications & Use Cases
The Customized EMI Shielding Conductive Foam Gasket With Adhesive for ESD Protection Sponge Die Cut Electrical and RF Immunity finds extensive application across numerous industries and electronic device categories. Telecommunications equipment manufacturers rely on these specialized gaskets to maintain signal integrity and prevent interference between adjacent circuit boards and subsystems. The automotive electronics sector utilizes these components to ensure reliable operation of critical safety systems and infotainment modules in electromagnetically challenging vehicle environments.
Medical device manufacturers integrate these gaskets into sophisticated diagnostic and therapeutic equipment where electromagnetic compatibility is essential for patient safety and measurement accuracy. The aerospace and defense industries depend on these protective elements to maintain operational reliability of mission-critical electronic systems operating in harsh electromagnetic environments. Consumer electronics manufacturers incorporate these gaskets into compact devices where space constraints demand efficient electromagnetic shielding solutions that do not compromise product functionality or aesthetics.
Industrial automation systems benefit from the robust electromagnetic protection provided by these gaskets, ensuring reliable operation of control systems and sensors in electrically noisy manufacturing environments. Data center equipment and networking infrastructure rely on these components to maintain signal integrity and prevent cross-talk between high-speed digital circuits. The growing Internet of Things market presents expanding opportunities for these gaskets as connected devices require effective electromagnetic compatibility solutions in increasingly complex wireless communication environments.
Quality Control & Compliance
Our manufacturing processes incorporate comprehensive quality control measures that ensure consistent product performance and reliability across all production batches. Advanced testing protocols verify electromagnetic shielding effectiveness, adhesive bond strength, and mechanical durability characteristics before products reach our customers. Environmental testing procedures validate long-term performance stability under various temperature, humidity, and chemical exposure conditions commonly encountered in electronic applications.
Material certification programs ensure that all raw materials meet stringent quality specifications and environmental compliance requirements. Traceability systems track each production batch from raw material receipt through final product shipment, enabling rapid identification and resolution of any quality concerns. Statistical process control methods monitor critical manufacturing parameters to maintain consistent product characteristics and minimize variation between production runs.
International compliance standards guide our quality management systems and manufacturing procedures, ensuring that products meet the diverse regulatory requirements of global markets. Regular third-party audits and certifications validate our commitment to quality excellence and continuous improvement initiatives. Customer feedback systems provide valuable insights that drive ongoing product development and quality enhancement programs.
Customization & Branding Options
Our extensive customization capabilities enable the development of tailored solutions that meet specific application requirements and performance criteria. Advanced materials engineering allows for the optimization of conductive properties, mechanical characteristics, and environmental resistance based on individual customer needs. Geometric customization options include complex die-cut patterns, variable thickness configurations, and specialized edge treatments that accommodate unique design constraints.
Color coding and identification marking systems facilitate inventory management and assembly verification procedures. Custom packaging solutions protect products during shipping and storage while providing clear identification and handling instructions. Technical documentation packages can be customized to include application-specific installation guidelines, performance specifications, and compliance certifications relevant to particular industries or markets.
Prototyping services enable rapid evaluation of custom configurations before full-scale production commitments. Sample programs provide customers with opportunities to validate performance characteristics and compatibility with existing systems and processes. Collaborative engineering support assists customers in optimizing gasket designs for specific applications while maintaining cost-effectiveness and manufacturing efficiency.
Packaging & Logistics Support
Our comprehensive packaging solutions protect product integrity throughout the supply chain while facilitating efficient inventory management and assembly processes. Protective packaging materials prevent contamination and physical damage during transportation and storage. Moisture barrier systems maintain optimal material properties in varying environmental conditions encountered during global distribution.
Standardized packaging formats accommodate automated handling equipment and streamline receiving and inventory procedures for manufacturing customers. Clear labeling systems provide essential product identification, lot traceability, and handling instructions. Anti-static packaging materials protect sensitive conductive components from electrostatic damage during storage and handling operations.
Global logistics networks ensure reliable product availability across international markets while maintaining consistent quality standards. Regional distribution centers provide responsive customer support and reduce lead times for time-sensitive applications. Inventory management programs help customers optimize stock levels while ensuring product availability for production schedules.
Why Choose Us
With extensive experience serving international markets across diverse industries, our company has established a reputation for delivering innovative electromagnetic compatibility solutions that meet the most demanding application requirements. Our global manufacturing presence and technical support capabilities ensure consistent product quality and responsive customer service regardless of geographic location or market segment.
As a recognized electromagnetic shielding solutions provider, we collaborate with leading electronics manufacturers worldwide to develop cutting-edge protective technologies that address emerging market challenges. Our multi-industry expertise spans telecommunications, automotive, medical devices, aerospace, defense, and consumer electronics sectors, providing comprehensive understanding of diverse application requirements and performance criteria.
Advanced research and development facilities enable continuous innovation in materials technology and manufacturing processes. Our technical teams work closely with customers to develop optimized solutions that balance performance requirements with cost-effectiveness and manufacturing efficiency. Comprehensive testing capabilities validate product performance under real-world operating conditions while ensuring compliance with international standards and regulations.
Sustainable manufacturing practices and environmental responsibility initiatives guide our operations while maintaining the high-performance characteristics essential for critical applications. Supply chain optimization programs ensure reliable raw material availability and consistent product quality while supporting competitive pricing structures for volume applications.
Conclusion
The Customized EMI Shielding Conductive Foam Gasket With Adhesive for ESD Protection Sponge Die Cut Electrical and RF Immunity represents a sophisticated solution for addressing the complex electromagnetic compatibility challenges facing modern electronic device manufacturers. Through the integration of advanced materials technology, precision manufacturing processes, and comprehensive customization capabilities, these gaskets deliver exceptional electromagnetic shielding performance while providing essential electrostatic discharge protection for sensitive electronic systems. The combination of proven reliability, technical innovation, and global manufacturing support positions these products as essential components for maintaining electromagnetic compatibility in an increasingly complex electronic environment.
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