EMI / RFI Shielding Material Industrial Adhesives
Last Updated: April 1, 2025
Description
EMI/RFI shielding material industrial adhesives are specialized compounds designed to join components while providing protection against electromagnetic interference (EMI) and radio frequency interference (RFI). These adhesives are integral in maintaining the integrity of electronic devices by preventing unwanted electromagnetic signals from disrupting their operation.
Working Principle
EMI/RFI shielding adhesives work by incorporating conductive materials that create a barrier to block or absorb electromagnetic signals. These adhesives often contain conductive particles that facilitate electrical conductivity, allowing them to effectively shield sensitive components from interference. By forming a conductive path, these adhesives help in grounding and dissipating electromagnetic energy, thus ensuring the stable operation of electronic devices.
Applications
EMI/RFI shielding adhesives are used in various applications where electronic components require protection from interference. Specific examples include:
- Military and Aerospace Equipment: These adhesives are crucial in protecting sensitive circuitry in military and aerospace applications, where reliable performance is critical.
- Medical Devices: In medical equipment, EMI/RFI shielding adhesives prevent interference that could affect the accuracy and functionality of life-saving devices.
- Consumer Electronics: They are used in smartphones, tablets, and other consumer electronics to ensure that devices operate without disruption from external electromagnetic signals.
Advantages over other Industrial Adhesives
EMI/RFI shielding adhesives offer several advantages over traditional adhesives:
- Conductivity: Unlike standard adhesives, these materials provide electrical conductivity, which is essential for effective EMI/RFI shielding.
- Integration: They can be combined with other materials like gaskets or seals to create multifunctional solutions that save on assembly time and cost .
- Durability: These adhesives improve the durability and performance of devices by preventing data loss and damage to critical components .
Limitations
Despite their advantages, EMI/RFI shielding adhesives have certain limitations:
- Surface Preparation: They require clean and compatible surfaces for optimal adhesion, which can increase preparation time and cost .
- Material Compatibility: Not all materials are suitable for use with these adhesives, limiting their application in certain scenarios.
Considerations
When selecting EMI/RFI shielding adhesives, several factors should be considered:
- Initial Costs: The cost of these specialized adhesives can be higher than standard adhesives due to their conductive properties and material composition.
- Durability and Maintenance: While they offer enhanced durability, the need for precise application and potential for degradation over time should be considered in maintenance planning.
- Operating Expense: The integration of these adhesives can reduce operating expenses by minimizing interference-related issues, but initial investment and application costs should be weighed against long-term benefits.
from Master Bond, Inc.
Master Bond Polymer System EP22 is an aluminum filled, two component epoxy adhesive for high performance bonding, sealing, and coating. It is formulated to cure at room temperature or more rapidly at elevated temperatures, with a non-critical one-to-one mix ratio by weight or volume. The EP22... [See More]
- Features: Flexible; High Dielectric; Electrically Conductive; EMI/RFI Shielding; Laminaes; Sealant; Anti-static, ESD
- Composition: Filled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Master Bond, Inc.
Master Bond Polymer System EP65HT-1 represents a breakthrough in epoxy adhesive technology in that it features the unusual combination of ultra-fast cures and high temperature resistance. While typical fast setting epoxies normally possess glass transition temperatures below 85 °C, EP65HT-1 has... [See More]
- Features: High Dielectric; Electrically Conductive; EMI/RFI Shielding; Sealant; Anti-static, ESD
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Master Bond, Inc.
Master Bond Polymer Adhesive EP51 is a fast "5 minute" curing two component epoxy adhesive for general purpose bonding formulated to cure at room temperature with a one-to-one mix ratio by weight or volume. It readily develops a high bonding strength of more than 2000 psi at room temperature. The... [See More]
- Features: High Dielectric; Electrically Conductive; EMI/RFI Shielding; Sealant; Anti-static, ESD
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Master Bond, Inc.
Master Bond Polymer System EP65HT represents a breakthrough in epoxy adhesive technology in that it features the unusual combination of ultra-fast cures and high temperature resistance. While typical fast setting epoxies normally possess glass transition temperatures below 85 °C, EP65HT has an... [See More]
- Features: High Dielectric; Electrically Conductive; EMI/RFI Shielding; Sealant; Anti-static, ESD
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Master Bond, Inc.
Master Bond Polymer Adhesive EP51M is a fast "3 minute" curing two component epoxy adhesive for general purpose bonding formulated to cure at room temperature with a one-to-one mix ratio by weight or volume. It readily develops a high bonding strength of more than 2000 psi at room temperature. The... [See More]
- Features: High Dielectric; Electrically Conductive; EMI/RFI Shielding; Sealant; Anti-static, ESD
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Master Bond, Inc.
Master Bond Polymer System Supreme 10HTFL features a unique blend of physical properties including outstanding peel strength, very high shear strength and a wide service temperature range of 4K to +350 °F making it suitable for cryogenic applications. Supreme 10HTFL features highly desirable... [See More]
- Features: High Dielectric; Electrically Conductive; EMI/RFI Shielding; Sealant; Anti-static, ESD
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Single Component
from Master Bond, Inc.
EP79FL is a silver coated nickel filled polymer system that forms high strength bonds that are resistant to extreme cryogenic temperatures. It is electrically conductive and has a volume resistivity of <0.005 ohm-cm. As a silver coated nickel filled system, it is much more cost effective than... [See More]
- Features: Flexible; Electrically Conductive; EMI/RFI Shielding; Laminaes; Leveling Filling; Non-corrosive; Sealant; Thermally Conductive; Anti-static, ESD
- Composition: Filled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component ; Reactive or Moisture Cured; Room Temperature Vulcanizing or Curing
from Master Bond, Inc.
Master Bond Polymer System EP21TDCSFL is a two component, silver filled, electrically conductive system for high performance bonding and sealing formulated to cure at room temperature or more rapidly at elevated temperatures. Its most salient features are its high flexibility and elongation. This... [See More]
- Features: Flexible; High Dielectric; Electrically Conductive; EMI/RFI Shielding; Laminaes; Sealant; Thermally Conductive; Anti-static, ESD
- Composition: Filled
- Chemical System: Epoxy; Polyurethane
- Cure / Technology: Thermoset; Two Component
from Master Bond, Inc.
Master Bond Polymer System EP75-1 is a two component, graphite filled, electrically conductive epoxy for high performance bonding, sealing and coating formulated to cure at room temperature or more rapidly at elevated temperatures. The mix ratio of the EP75-1 system is 100 to 15 by weight. It... [See More]
- Features: High Dielectric; Electrically Conductive; EMI/RFI Shielding; Sealant; Thermally Conductive; Anti-static, ESD
- Composition: Filled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Master Bond, Inc.
Master Bond Polymer System Supreme 10HTF-1 is a one-part/no-mix system featuring a unique combination of properties including high shear and peel strength, exceptionally wide service temperature range and very rapid "snap cures". The recommended cure for optimum bond strength is 2 minutes at 375-400... [See More]
- Features: High Dielectric; Electrically Conductive; EMI/RFI Shielding; Sealant; Anti-static, ESD
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Single Component
from Master Bond, Inc.
Master Bond Polymer System EP31 is a two component room temperature curing epoxy for high performance structural bonding applications featuring lap shear strengths exceeding 4500 psi. In addition, unlike many structural epoxies, EP31 also has a high peel strength exceeding 40 pli. The service... [See More]
- Features: Flexible; High Dielectric; Electrically Conductive; EMI/RFI Shielding; Laminaes; Sealant; Anti-static, ESD
- Cure / Technology: Thermoset; Two Component
- Chemical System: Epoxy
- Substrate Compatibility: Ceramic, Glass; Concrete, Masonry; Composites; Metal; Plastic; Porous Surfaces; Rubber or Elastomer; Dissimilar Substrates; Metal/Plastic/Glass/Ceramic/Elast.&Wood
from Master Bond, Inc.
Master Bond Polymer Adhesive EP33 is a unique room temperature curing two component epoxy adhesive for high temperature bonding applications. It is formulated to cure at room temperature or more rapidly at elevated temperatures. Master Bond Polymer Adhesive EP33 produces high strength bonds whose... [See More]
- Features: Flexible; High Dielectric; Electrically Conductive; EMI/RFI Shielding; Laminaes; Sealant; Anti-static, ESD
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Master Bond, Inc.
Master Bond Polymer System EP21TDC-7 is a two component highly flexible epoxy resin system for high performance bonding, sealing, and coating. It is formulated to cure at ambient temperatures or more quickly at elevated temperatures with an easy to use one to seven mix ratio by weight. The cured... [See More]
- Features: Flexible; High Dielectric; Electrically Conductive; EMI/RFI Shielding; Encapsulant, Potting Compound; Laminaes; Sealant; Anti-static, ESD
- Composition: Filled
- Chemical System: Epoxy; Polyurethane
- Cure / Technology: Thermoset; Two Component
from Master Bond, Inc.
Master Bond Polymer System EP29LP is a two component high performance epoxy resin system featuring low viscosity, long pot life and low exotherm. As an adhesive this versatile material will form bond strengths in excess of 2,500 psi (aluminum to aluminum). It bonds well to a variety of substrates... [See More]
- Features: Flexible; High Dielectric; Electrically Conductive; EMI/RFI Shielding; Sealant; Anti-static, ESD
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Master Bond, Inc.
Master Bond Polymer System EP29LPSP is a two component, high performance, modified low temperature heat cured epoxy system specially formulated for cryogenic applications. Not only is EP29LPSP able to function as an adhesive, sealant and protective coating at temperatures as low as 4K, but it is... [See More]
- Features: Flexible; High Dielectric; Electrically Conductive; EMI/RFI Shielding; Sealant; Anti-static, ESD
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Master Bond, Inc.
Master Bond EP34CA is a low viscosity, polyfunctional, heat resistant epoxy resin designed for use in high performance composite structures, potting and casting applications. When used in conjunction with various hardeners, EP34CA produces a low viscosity 100% reactive system which is particularly... [See More]
- Features: Flexible; High Dielectric; Electrically Conductive; EMI/RFI Shielding; Encapsulant, Potting Compound; Sealant; Anti-static, ESD
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Master Bond, Inc.
Master Bond Polymer System EP21TDCSMed is a two component, silver filled, electrically conductive adhesive/sealant that meets USP Class VI specifications for medical applications. It is formulated to cure at room temperature or more rapidly at elevated temperatures. Unlike the majority of two part... [See More]
- Features: Flexible; High Dielectric; Electrically Conductive; EMI/RFI Shielding; Laminaes; Sealant; Thermally Conductive; Anti-static, ESD
- Composition: Filled
- Chemical System: Epoxy; Polyurethane
- Cure / Technology: Thermoset; Two Component
from Master Bond, Inc.
Passing ASTM E595 testing for NASA low outgassing, EP17HT-LO is widely used in a variety of applications in the aerospace, oil/chemical processing, optical, opto-electronic and specialty OEM industries. This single component, thermally stable system has a glass transition temperature of 225 °C. [See More]
- Features: High Dielectric; EMI/RFI Shielding; Encapsulant, Potting Compound; Leveling Filling; Non-corrosive; Sealant; Thermal Insulation
- Cure / Technology: Thermoset; Single Component; Room Temperature Vulcanizing or Curing
- Composition: Unfilled
- Type / Form: Liquid
from Master Bond, Inc.
Master Bond Polymer System EP76M is a two component, nickel filled, electrically conductive adhesive for high performance bonding, sealing, and coating formulated to cure at room temperature or more rapidly at elevated temperatures. Unlike the majority of two part nickel conductive systems, EP76M... [See More]
- Features: Electrically Conductive; EMI/RFI Shielding; Sealant; Thermally Conductive; Anti-static, ESD
- Composition: Filled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Master Bond, Inc.
Master Bond Polymer Adhesive EP21TPND is a two component polysulfide/epoxy based adhesive/ sealant formulated to cure at room temperature or more rapidly at elevated temperatures, with a 100 to 100 mix ratio (A/B) by weight. It readily develops a high bonding strength of more than 1000 psi at room... [See More]
- Features: Flexible; High Dielectric; Electrically Conductive; EMI/RFI Shielding; Laminaes; Sealant; Thermally Conductive; Anti-static, ESD
- Composition: Filled
- Chemical System: Polyphenylene Sulfide; Epoxy; Polyurethane
- Cure / Technology: Thermoset; Two Component
from Master Bond, Inc.
Master Bond EP36CLV is a unique one component, high performance epoxy for bonding, sealing, potting and coating featuring electrical insulation, high temperature resistance and exceptionally low viscosity. It varies appreciably from other heat resistant epoxies in that it has far more toughness and... [See More]
- Features: Flexible; High Dielectric; Electrically Conductive; EMI/RFI Shielding; Encapsulant, Potting Compound; Sealant; Anti-static, ESD
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Single Component
from Master Bond, Inc.
Master Bond Polymer System EP36 is a unique one component high performance toughened epoxy system for electrical potting, casting, encapsulation, baked coatings and adhesive applications. It features an outstanding combination of properties including high temperature stability up to 500 °F,... [See More]
- Features: Flexible; High Dielectric; Electrically Conductive; EMI/RFI Shielding; Encapsulant, Potting Compound; Sealant; Anti-static, ESD
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Single Component
from Master Bond, Inc.
Master Bond Polymer Adhesive EP65 represents a breakthrough in epoxy adhesive technology featuring hitherto unattainable balance of processing strengths. This two component adhesive system is formulated to cure exceptionally quickly at ambient temperatures e.g. 8-10 minutes, shorter lives at higher... [See More]
- Features: High Dielectric; Electrically Conductive; EMI/RFI Shielding; Sealant; Anti-static, ESD
- Composition: Unfilled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Master Bond, Inc.
Master Bond Polymer System EP79 is a two component, silver coated nickel filled, electrically conductive adhesive for high performance bonding and sealing formulated to cure at room temperature or more rapidly at elevated temperatures. EP79 offers a convenient one-to-one mix ratio by weight or... [See More]
- Features: Electrically Conductive; EMI/RFI Shielding; Sealant; Thermally Conductive; Anti-static, ESD
- Composition: Filled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Master Bond, Inc.
Featuring a low volume resistivity of 5-10 ohm-cm, EP21TDCN-LO is a nickel conductive system for high performance bonding and sealing applications. This smooth paste formulation is easy to handle and has a one to one mix ratio by weight or volume. It is a toughened system, formulated to withstand... [See More]
- Features: Flexible; Electrically Conductive; EMI/RFI Shielding; Non-corrosive; Sealant; Thermally Conductive
- Composition: Filled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component ; Room Temperature Vulcanizing or Curing
from Epoxy Technology
EPO-TEK ® offers a full suite of electrically and thermally conductive epoxy adhesives. Our extensive product line allows users from a wide range of industries to easily select the optimal adhesive for their specific application, based on the best combination of physical, electrical, and... [See More]
- Features: Electrically Conductive; EMI/RFI Shielding; Thermally Conductive
- Composition: Filled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Graphene Laboratories, Inc.
DESCRIPTION: G6E-NS10 ™ epoxy is developed for general purpose applications requiring high performance bond or connection of electrically conductive components/materials for enhanced electrical conductivity. G6E-NS10 ™ has been developed based on advanced proprietary technology that... [See More]
- Features: Electrically Conductive; EMI/RFI Shielding; Sealant
- Composition: Filled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Graphene Laboratories, Inc.
DESCRIPTION: Traditional silver-based adhesives require up to 80% weight load of silver fillers and as a result tend to be costly, brittle and prone to mechanical failure. G6E-NS11 ™ has been developed based on advanced proprietary technology that requires 15% or less silver content to be at... [See More]
- Features: Electrically Conductive; EMI/RFI Shielding; Sealant
- Composition: Filled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Graphene Laboratories, Inc.
DESCRIPTION: G6E-FRP ™ is a flexible version of our G6E-P ™ general purpose epoxy. G6E-FRP ™ epoxy was developed primarily for high-performance bonding, connection, sealing and coating applications requiring a flexible bond or connection of electrically conductive components or... [See More]
- Features: Flexible; Electrically Conductive; EMI/RFI Shielding; Sealant
- Composition: Filled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Graphene Laboratories, Inc.
DESCRIPTION: G6E-FXNS ™ epoxy is developed for applications requiring a high-performance flexible bond or connection of electrically conductive components/materials as well as for low electrical resistivity. G6E-FXNS ™ is developed based on advanced proprietary technology that requires... [See More]
- Features: Flexible; Electrically Conductive; EMI/RFI Shielding; Sealant
- Composition: Filled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Graphene Laboratories, Inc.
DESCRIPTION: G6E-FXSG ™ epoxy is primarily developed for applications requiring a high-performance flexible bond or connection of electrically conductive components/materials requiring low electrical resistivity. G6-FXSG ™ is well suited for bonding of dissimilar materials that are... [See More]
- Features: Flexible; Electrically Conductive; EMI/RFI Shielding; Sealant
- Composition: Filled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Graphene Laboratories, Inc.
DESCRIPTION: G6E-P ™ epoxy is primarily developed for general purpose applications requiring high-performance bond or connection of electrically conductive components/materials. G6E-P ™ is formulated with proprietary nanomaterials and fillers. G6E-P ™ epoxy can be cured at room... [See More]
- Features: Electrically Conductive; EMI/RFI Shielding; Sealant
- Composition: Filled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Graphene Laboratories, Inc.
DESCRIPTION: G6E-HTC ™ epoxy is developed primarily for applications requiring a high-performance bond or connection of electrically conductive components/materials that operate at higher temperatures. G6E-HTC ™ epoxy ’s properties result from being formulated with proprietary... [See More]
- Features: Electrically Conductive; EMI/RFI Shielding; Sealant
- Composition: Filled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Graphene Laboratories, Inc.
DESCRIPTION: G6E-HTNS ™ epoxy is developed primarily for applications requiring a high-performance bond or connection of electrically conductive components/materials which operate at higher temperatures requiring low electrical resistivity. G6E-HTNS ™ is developed based on advanced... [See More]
- Features: Electrically Conductive; EMI/RFI Shielding; Sealant
- Composition: Filled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Graphene Laboratories, Inc.
DESCRIPTION: G6E-HTSG ™ epoxy is primarily developed for applications requiring a high-performance bond or connection of electrically conductive components/materials which operate at higher temperatures and which require low electrical resistivity. G6E-HTSG ™ epoxy is formulated with... [See More]
- Features: Electrically Conductive; EMI/RFI Shielding; Sealant
- Composition: Filled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Graphene Laboratories, Inc.
DESCRIPTION: G6E-RTC ™ Room Temperature Curable Carbon Filled Electrically Conductive epoxy is developed primarily for applications requiring curing at room temperature. G6E-RTC ™ epoxy is formulated with proprietary nanomaterials and fillers to provide its performance characteristics. [See More]
- Features: Electrically Conductive; EMI/RFI Shielding; Sealant
- Composition: Filled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Graphene Laboratories, Inc.
DESCRIPTION: G6E-RTSG ™ epoxy is developed primarily for applications that require curing at room temperature. Room temperature curing eliminates the necessity for a heating oven. This allows easier and safer bond/connection of conductive components or materials. G6E-RTSG ™ epoxy is also... [See More]
- Features: Electrically Conductive; EMI/RFI Shielding; Sealant
- Composition: Filled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component
from Graphene Laboratories, Inc.
DESCRIPTION: G6E-SG ™ epoxy is developed for general purpose applications requiring high-performance bond or connection of electrically conductive components/materials that require low electrical resistivity. G6E-SG ™ is formulated with proprietary nanomaterials and fillers. G6E-SG... [See More]
- Features: Electrically Conductive; EMI/RFI Shielding; Sealant
- Composition: Filled
- Chemical System: Epoxy
- Cure / Technology: Thermoset; Two Component