Introduction
In today's rapidly evolving electronics industry, protecting sensitive electronic components from electromagnetic interference and electrostatic discharge has become increasingly critical. The Sponge Elastomers Based Conductive Foam Gasket for EMI Shielding With Adhesive ESD Protection Die Cut Custom Applications represents a cutting-edge solution designed to meet the demanding requirements of modern electronic device manufacturers and system integrators. This advanced conductive foam gasket combines superior electromagnetic interference shielding capabilities with robust electrostatic discharge protection, making it an indispensable component for applications where electronic integrity and reliability are paramount.
As electronic devices become more sophisticated and compact, the need for effective EMI shielding and ESD protection has intensified across industries ranging from telecommunications and automotive to aerospace and medical equipment. Our conductive foam gasket technology addresses these challenges by providing a versatile, high-performance solution that can be precisely customized to meet specific application requirements while maintaining exceptional conductivity and durability characteristics.
Product Overview
The Sponge Elastomers Based Conductive Foam Gasket for EMI Shielding With Adhesive ESD Protection Die Cut Custom Applications is engineered using advanced elastomeric materials that have been specifically formulated to deliver outstanding electromagnetic shielding performance. The sponge elastomer base provides excellent compression characteristics while maintaining consistent conductivity across the gasket surface, ensuring reliable performance even under varying environmental conditions and mechanical stress.
This innovative gasket solution incorporates a specialized adhesive backing system that enables secure attachment to various substrate materials without compromising the conductive properties essential for effective EMI shielding. The adhesive formulation has been optimized to provide strong bonding characteristics while remaining removable when necessary for maintenance or replacement applications. The conductive foam structure creates multiple contact points that enhance shielding effectiveness while accommodating surface irregularities and manufacturing tolerances commonly encountered in electronic assemblies.
The die-cut customization capability allows for precise shaping and dimensioning to match specific enclosure designs and component configurations. This manufacturing flexibility ensures optimal fit and performance while minimizing material waste and installation complexity. The gasket's cellular foam structure provides excellent compression recovery properties, maintaining consistent sealing and shielding performance throughout extended service life cycles.
Features & Benefits
Advanced Material Properties
The elastomeric foundation of this conductive foam gasket delivers exceptional mechanical properties that are essential for long-term performance in demanding applications. The material exhibits superior compression set resistance, ensuring that the gasket maintains its original thickness and sealing characteristics even after prolonged compression cycles. This resilience is particularly important in applications where thermal cycling or mechanical vibration may affect gasket performance over time.
The conductive properties are achieved through the incorporation of specialized conductive fillers that are uniformly distributed throughout the elastomeric matrix. This approach ensures consistent electrical conductivity across the entire gasket surface while maintaining the flexibility and compressibility that are crucial for effective sealing applications. The resulting material combines the best characteristics of both conductive and elastomeric materials, providing a balanced solution for complex shielding requirements.
Electromagnetic Interference Shielding Excellence
The Sponge Elastomers Based Conductive Foam Gasket for EMI Shielding With Adhesive ESD Protection Die Cut Custom Applications demonstrates exceptional electromagnetic interference attenuation characteristics across a broad frequency spectrum. The conductive foam structure creates an effective Faraday cage effect when properly installed, preventing electromagnetic energy from entering or escaping electronic enclosures. This shielding capability is essential for maintaining regulatory compliance and ensuring optimal device performance in electromagnetically challenging environments.
The gasket's cellular structure provides multiple parallel conductive paths that enhance overall shielding effectiveness while maintaining mechanical flexibility. This design approach ensures that the shielding performance remains consistent even when the gasket is subjected to compression or deformation during installation and operation. The result is a reliable electromagnetic barrier that protects sensitive electronic components from external interference while preventing device emissions from affecting nearby equipment.
Electrostatic Discharge Protection
Beyond electromagnetic shielding, this conductive foam gasket provides critical electrostatic discharge protection for sensitive electronic components. The controlled conductivity characteristics allow static charges to dissipate safely without creating sudden discharge events that could damage semiconductor devices or disrupt system operation. This ESD protection capability is particularly valuable in manufacturing environments and applications where static electricity generation is unavoidable.
The gasket's ESD protection function operates continuously, providing ongoing static charge dissipation that prevents the accumulation of potentially damaging electrical potentials. This proactive approach to static control helps ensure the reliability and longevity of protected electronic systems while reducing the risk of field failures related to electrostatic damage.
Applications & Use Cases
The versatility of the Sponge Elastomers Based Conductive Foam Gasket for EMI Shielding With Adhesive ESD Protection Die Cut Custom Applications makes it suitable for an extensive range of electronic applications across multiple industries. In telecommunications equipment, these gaskets provide essential EMI shielding for base stations, routers, and switching equipment where electromagnetic compatibility is critical for proper operation and regulatory compliance. The gaskets effectively seal enclosure joints and access panels while maintaining the electrical continuity necessary for comprehensive shielding coverage.
Automotive electronics applications represent another significant use case for this conductive foam gasket technology. Modern vehicles contain numerous electronic control modules that must operate reliably in the electromagnetically harsh environment created by ignition systems, electric motors, and wireless communication devices. The gaskets provide effective shielding for engine control units, infotainment systems, and safety-critical components while withstanding the thermal and mechanical stresses associated with automotive applications.
Medical device manufacturers utilize these conductive gaskets to ensure that sensitive diagnostic and therapeutic equipment operates without interference from external electromagnetic sources. The gaskets help maintain the integrity of medical imaging systems, patient monitoring devices, and implantable device programmers while providing the ESD protection necessary to prevent damage to expensive electronic components. The biocompatible material options available for medical applications ensure compliance with relevant health and safety regulations.
Aerospace and defense applications demand the highest levels of electromagnetic shielding performance, and these conductive foam gaskets meet those stringent requirements. The gaskets provide effective EMI protection for avionics systems, radar equipment, and communication devices while maintaining reliable performance under extreme environmental conditions including temperature variations, altitude changes, and vibration exposure. The lightweight nature of the foam material is particularly advantageous in weight-sensitive aerospace applications.
Quality Control & Compliance
Manufacturing excellence is fundamental to the performance and reliability of the Sponge Elastomers Based Conductive Foam Gasket for EMI Shielding With Adhesive ESD Protection Die Cut Custom Applications. Our production facilities implement comprehensive quality management systems that ensure consistent material properties and dimensional accuracy across all manufactured products. Each batch of conductive foam material undergoes rigorous testing to verify electrical conductivity, mechanical properties, and adhesive performance characteristics before release for die-cutting and fabrication operations.
The die-cutting process itself is subject to strict quality controls that ensure precise dimensional accuracy and clean edge quality. Advanced cutting technologies and tooling maintenance programs guarantee that each custom gasket meets the specified dimensional tolerances while maintaining the material integrity necessary for optimal performance. Post-cutting inspection procedures verify that all gaskets meet customer specifications and quality standards before packaging and shipment.
Environmental and regulatory compliance represents a critical aspect of our quality assurance program. The materials used in gasket construction are evaluated for compliance with relevant environmental regulations including RoHS directives and REACH requirements. This commitment to regulatory compliance ensures that our gaskets can be used in global markets without restriction while supporting our customers' own compliance objectives.
Traceability systems maintain detailed records of material sources, production parameters, and quality test results for every manufactured gasket. This comprehensive documentation supports root cause analysis when necessary and provides the traceability information required for quality audits and customer requirements. The combination of rigorous quality controls and detailed documentation ensures that customers receive consistent, high-quality products that meet their performance expectations.
Customization & Branding Options
The die-cut customization capabilities of the Sponge Elastomers Based Conductive Foam Gasket for EMI Shielding With Adhesive ESD Protection Die Cut Custom Applications enable precise tailoring to meet specific application requirements and design constraints. Our advanced die-cutting technologies can produce gaskets in virtually any shape or configuration, accommodating complex geometries, multiple apertures, and intricate details that match customer enclosure designs. This customization flexibility eliminates the need for secondary operations while ensuring optimal fit and performance in the final application.
Material thickness options provide additional customization possibilities, allowing designers to specify gasket thickness that balances compression requirements with available space constraints. The cellular foam structure can be optimized for specific compression characteristics, enabling fine-tuning of sealing force and EMI shielding performance to match application needs. Custom material formulations are available for applications requiring specific electrical, thermal, or chemical resistance properties beyond standard specifications.
Adhesive backing configurations can be customized to match substrate materials and installation requirements. Options include full coverage adhesive, partial adhesive patterns, and removable adhesive formulations that facilitate maintenance and replacement operations. The adhesive selection process considers factors such as substrate compatibility, environmental exposure, and required bond strength to ensure optimal performance throughout the gasket's service life.
For OEM manufacturers and private label applications, custom packaging and marking options are available to support brand identity and inventory management requirements. Individual gasket packaging protects products during shipping and storage while facilitating efficient installation processes. Custom part marking and identification systems help prevent assembly errors and support quality control procedures in manufacturing environments.
Packaging & Logistics Support
Effective packaging and logistics support ensures that the Sponge Elastomers Based Conductive Foam Gasket for EMI Shielding With Adhesive ESD Protection Die Cut Custom Applications arrives at customer facilities in perfect condition and ready for immediate use. Our packaging systems are designed to protect the gaskets' critical properties including adhesive integrity, dimensional accuracy, and cleanliness throughout the distribution process. Anti-static packaging materials prevent electrostatic damage while maintaining the gaskets' ESD protection characteristics.
Packaging configurations are optimized for different order quantities and customer requirements, ranging from individual gasket protection for prototype applications to bulk packaging for high-volume production use. Moisture barrier packaging protects adhesive properties during storage and transport, ensuring consistent bonding performance regardless of environmental conditions encountered during shipment. Clear labeling and identification systems facilitate inventory management and prevent mix-ups in customer receiving and storage operations.
Global logistics capabilities support international customers with reliable shipping options and comprehensive documentation for customs clearance and import procedures. Our logistics partners provide tracking and delivery confirmation services that ensure accountability throughout the shipping process. Regional distribution capabilities reduce delivery times and shipping costs while providing local support for urgent requirements and emergency orders.
Inventory management support services help customers optimize their own inventory levels while ensuring product availability for production schedules. Vendor-managed inventory programs and scheduled delivery options provide predictable supply chains that reduce customer inventory carrying costs while maintaining production flexibility. These logistics support services complement the technical capabilities of our conductive foam gaskets to provide comprehensive solutions for customer success.
Why Choose Us
As a leading metal packaging manufacturer with extensive experience in precision die-cutting and conductive material technologies, our company brings decades of expertise to the development and production of advanced EMI shielding solutions. Our international market presence spans multiple continents, enabling us to serve customers worldwide while maintaining consistent quality standards and technical support capabilities. This global reach, combined with local technical expertise, ensures that customers receive the support they need regardless of their location or market requirements.
Our position as a trusted custom tin box supplier and OEM tin packaging solutions provider has established relationships with diverse industries that require precision-manufactured components and reliable supply chain performance. This multi-industry expertise enables us to understand the unique challenges faced by different market segments and develop solutions that address specific application requirements while maintaining cost-effectiveness and reliability.
The technical capabilities that have made us a preferred metal packaging supplier extend naturally to conductive foam gasket applications, where precision manufacturing and material expertise are equally important for success. Our investment in advanced manufacturing technologies and quality control systems ensures that every gasket meets the exacting standards required for EMI shielding and ESD protection applications. This commitment to excellence has earned recognition from customers worldwide and established our reputation for delivering innovative solutions that solve complex technical challenges.
Collaborative engineering support helps customers optimize their designs for manufacturability while achieving their performance objectives. Our technical team works closely with customer engineers to evaluate application requirements, recommend material selections, and develop custom solutions that maximize performance while minimizing costs. This collaborative approach ensures that customers receive not just high-quality products, but also the technical expertise necessary to achieve their project goals efficiently and effectively.
Conclusion
The Sponge Elastomers Based Conductive Foam Gasket for EMI Shielding With Adhesive ESD Protection Die Cut Custom Applications represents a sophisticated solution for the electromagnetic compatibility and electrostatic discharge protection challenges facing today's electronic device manufacturers. Through the combination of advanced elastomeric materials, precision die-cutting capabilities, and comprehensive customization options, these gaskets provide reliable performance across diverse applications and industries. The integration of EMI shielding and ESD protection functions in a single, easy-to-install component simplifies design requirements while ensuring comprehensive protection for sensitive electronic systems. With proven quality control processes, global logistics support, and collaborative engineering expertise, our conductive foam gasket solutions deliver the performance, reliability, and value that modern electronics manufacturers require for success in competitive global markets.
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