Introduction
In today's increasingly connected world, electromagnetic interference (EMI) and radio frequency (RF) shielding have become critical considerations for electronic device manufacturers and systems integrators. The Electrical Conductive Foam Gasket for EMI RF Shielding With Adhesive ESD Safe Sponge Die Cut Custom and Grounding represents a sophisticated solution designed to address these complex challenges while providing reliable electrostatic discharge protection. This advanced conductive foam technology combines superior shielding performance with practical application benefits, making it an essential component for industries ranging from telecommunications to aerospace. The growing demand for effective EMI shielding solutions has driven innovation in conductive foam materials, leading to products that offer enhanced performance characteristics while maintaining cost-effectiveness and ease of installation.
Modern electronic systems face unprecedented challenges from electromagnetic interference, which can disrupt critical operations and compromise device reliability. The conductive foam gasket technology addresses these concerns through a comprehensive approach that combines material science excellence with practical engineering solutions. This specialized foam material incorporates conductive elements that create effective pathways for electromagnetic energy dissipation while maintaining the flexibility and conformability essential for complex gasket applications.
Product Overview
The conductive foam gasket technology represents a breakthrough in EMI RF shielding applications, featuring a unique combination of conductive properties and foam substrate characteristics. This innovative material utilizes advanced polymer chemistry combined with carefully selected conductive fillers to create a foam structure that provides excellent electromagnetic shielding effectiveness while maintaining superior mechanical properties. The adhesive backing system ensures reliable installation and long-term performance across diverse operating environments.
Engineered for versatility and performance, this conductive foam solution incorporates electrostatic discharge (ESD) safe properties that make it suitable for sensitive electronic applications. The die-cut customization capability enables precise fitting for specific applications, eliminating waste and ensuring optimal performance characteristics. The grounding functionality integrated into the foam structure provides additional reliability for critical shielding applications where consistent electrical continuity is essential.
The foam substrate offers exceptional conformability, allowing the gasket to accommodate surface irregularities and maintain consistent contact pressure across the entire sealing interface. This characteristic is particularly valuable in applications where traditional rigid shielding materials may fail to provide adequate coverage or where mechanical stress could compromise seal integrity over time.
Features & Benefits
Advanced Conductive Properties
The conductive foam technology incorporates specially engineered conductive pathways that ensure consistent electromagnetic shielding performance across a wide frequency range. The material's unique structure provides multiple conduction mechanisms, including both volume and surface conductivity, creating redundant pathways for electromagnetic energy dissipation. This multi-modal approach ensures reliable performance even under challenging environmental conditions or mechanical stress.
Superior Adhesive Integration
The integrated adhesive system represents a significant advancement in gasket installation technology, providing reliable bonding to diverse substrate materials while maintaining removability when required. The adhesive formulation is specifically designed to complement the conductive properties of the foam, ensuring that the bonding interface does not compromise electromagnetic performance. This integration eliminates the need for mechanical fasteners in many applications, simplifying installation and reducing potential failure points.
ESD Safe Performance
Electrostatic discharge protection is seamlessly integrated into the foam structure, providing controlled dissipation of static charges while maintaining the primary EMI shielding function. This dual functionality makes the material particularly valuable in applications involving sensitive electronic components where ESD damage could result in significant operational or financial consequences. The ESD safe properties are maintained throughout the material's service life, ensuring consistent protection performance.
Die Cut Customization Capability
The material's excellent die-cutting characteristics enable precise customization for specific application requirements, allowing for complex geometries and tight tolerances that would be difficult to achieve with traditional shielding materials. This customization capability extends to various thickness options and compression characteristics, enabling optimization for specific sealing force requirements and environmental conditions.
Applications & Use Cases
The versatility of the Electrical Conductive Foam Gasket for EMI RF Shielding With Adhesive ESD Safe Sponge Die Cut Custom and Grounding makes it suitable for an extensive range of applications across multiple industries. In telecommunications equipment, the gasket provides essential shielding for base stations, routers, and switching equipment where electromagnetic interference could disrupt signal integrity. The material's conformability and consistent conductivity make it particularly effective in applications involving complex housing geometries or where vibration and thermal cycling are concerns.
Aerospace and defense applications benefit significantly from the material's combination of lightweight construction and reliable shielding performance. The foam's ability to maintain consistent electrical contact under mechanical stress makes it ideal for avionics systems, radar equipment, and communication devices where mission-critical performance is essential. The ESD safe properties provide additional value in applications involving sensitive electronic warfare systems or precision guidance equipment.
Medical device manufacturers increasingly rely on conductive foam gaskets to ensure electromagnetic compatibility in diagnostic equipment, patient monitoring systems, and therapeutic devices. The material's biocompatibility options and reliable performance characteristics support applications where patient safety and device reliability are paramount. The customization capabilities enable integration into compact medical device housings where space constraints require precise material optimization.
Industrial automation and control systems utilize these gaskets to protect sensitive control electronics from electromagnetic interference generated by motors, drives, and other high-power equipment. The material's durability and consistent performance under harsh industrial conditions make it particularly valuable in manufacturing environments where reliability and uptime are critical success factors.
Quality Control & Compliance
Rigorous quality control processes ensure that every conductive foam gasket meets stringent performance standards for electromagnetic shielding effectiveness, mechanical properties, and environmental durability. Advanced testing methodologies verify conductivity characteristics across the specified frequency range, while accelerated aging tests confirm long-term performance stability under various environmental conditions. These comprehensive testing protocols ensure consistent product quality and reliable field performance.
Environmental compliance represents a key consideration in the material formulation and manufacturing process. The foam substrate and conductive elements are selected to meet relevant environmental regulations while maintaining superior performance characteristics. This commitment to environmental responsibility extends throughout the product lifecycle, from raw material selection through end-of-life disposal considerations.
Quality assurance protocols include statistical process control measures that monitor critical parameters throughout the manufacturing process. These systems ensure batch-to-batch consistency and enable rapid identification of any process variations that could impact product performance. The comprehensive quality management system supports both standard products and custom configurations, ensuring consistent quality regardless of order complexity.
Customization & Branding Options
The die-cut customization capabilities enable precise tailoring of the conductive foam gasket to specific application requirements, accommodating complex geometries, multiple thickness zones, and integrated features such as alignment tabs or mounting holes. Advanced manufacturing techniques support tight tolerance requirements and complex three-dimensional shapes that would be challenging to achieve with traditional materials or fabrication methods.
Custom formulation options allow optimization of specific performance characteristics to match unique application requirements. These may include adjustments to conductivity levels, compression characteristics, environmental resistance, or adhesive properties. The material science expertise supporting these customization capabilities ensures that modifications maintain the essential EMI shielding and ESD safe properties while addressing specific application needs.
Branding and identification options include custom packaging, labeling, and documentation to support customer quality systems and traceability requirements. These services extend to technical documentation customization, including application-specific installation instructions and performance data tailored to customer specifications. The comprehensive customization approach ensures seamless integration into customer products and processes.
Packaging & Logistics Support
Specialized packaging solutions protect the conductive foam gaskets during storage and transportation while maintaining their critical performance characteristics. Anti-static packaging materials prevent electrostatic discharge damage during handling, while moisture barrier properties ensure consistent adhesive performance regardless of environmental conditions during shipment. The packaging design accommodates various product configurations, from standard sheet stock to complex die-cut shapes.
Logistics support includes flexible shipping options designed to meet diverse customer requirements, from emergency expedited delivery to scheduled production support shipments. Inventory management services help customers optimize their supply chain efficiency while ensuring consistent product availability for critical production schedules. These services are particularly valuable for customers with complex forecasting requirements or seasonal demand variations.
Documentation and traceability support includes comprehensive material certificates, performance test data, and handling instructions that support customer quality systems and regulatory compliance requirements. Electronic documentation options streamline record-keeping and enable rapid access to critical product information throughout the supply chain.
Why Choose Us
With extensive experience serving global markets across diverse industries, our company has established a reputation for delivering innovative conductive foam solutions that meet the most demanding application requirements. Our international presence enables us to provide consistent product quality and technical support regardless of geographic location, supporting customers throughout their product development and production cycles.
Our multi-industry expertise spans telecommunications, aerospace, medical devices, and industrial automation, providing unique insights into the specific challenges and requirements of each sector. This broad experience enables us to recommend optimal solutions and identify potential applications that customers might not have considered. Our collaboration with leading metal packaging manufacturer and custom tin box supplier partners enhances our ability to provide comprehensive shielding solutions that integrate multiple technologies for maximum effectiveness.
The technical support capabilities include application engineering assistance, custom testing services, and ongoing technical consultation throughout the product lifecycle. Our materials science expertise enables us to address complex application challenges and develop innovative solutions that push the boundaries of conductive foam technology. This commitment to technical excellence ensures that customers receive not just products, but comprehensive solutions that address their specific requirements.
Quality management systems and certifications demonstrate our commitment to consistent product quality and continuous improvement. These systems support both standard products and complex custom configurations, ensuring reliable performance regardless of application complexity. Our dedication to innovation drives ongoing development of new materials and manufacturing techniques that enhance product performance while reducing costs.
Conclusion
The Electrical Conductive Foam Gasket for EMI RF Shielding With Adhesive ESD Safe Sponge Die Cut Custom and Grounding represents a sophisticated solution for modern electromagnetic interference challenges, combining advanced materials science with practical engineering excellence. Its unique combination of conductive properties, ESD safety, and customization capabilities makes it an essential component for applications requiring reliable electromagnetic shielding and electrostatic discharge protection. The material's versatility across multiple industries, from telecommunications to aerospace, demonstrates its value as a comprehensive shielding solution that addresses diverse technical requirements while maintaining cost-effectiveness and ease of installation. The advanced manufacturing capabilities and quality control processes ensure consistent performance and reliability, making this conductive foam gasket technology a trusted choice for critical applications where electromagnetic compatibility and system reliability are paramount.
Johan ECF (Elastic Conductive Foam)
Technical Data Sheet
|
Updated: May,2021
|
||
Description
|
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. |
||
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