EMI / RFI Shielding Fabricated Plastic Parts and Semi-Finished Shapes
Last Updated: February 12, 2025
Description
EMI/RFI shielding fabricated plastic parts and semi-finished shapes are designed to prevent electromagnetic interference (EMI) and radio frequency interference (RFI) from affecting electronic devices. These products typically incorporate conductive materials or coatings that block or reflect electromagnetic waves, ensuring the proper functioning of sensitive electronic components.
Working Principle
The working principle of EMI/RFI shielding fabricated plastic parts involves the use of conductive materials or coatings to create a barrier that blocks or reflects electromagnetic waves. This is achieved by incorporating metals such as silver, copper, or nickel into the plastic parts, either through coatings or embedded materials. These metals provide the necessary conductivity to prevent interference by reflecting or absorbing electromagnetic waves, thus protecting the electronic components housed within or nearby .
Applications
EMI/RFI shielding fabricated plastic parts are used in a variety of applications where electronic devices are susceptible to interference. Specific examples include enclosures for electric vehicles, where they help mitigate EMI and protect against severe corrosion and high temperatures . They are also used in lab equipment and medical devices, where the lightweight and insulative properties of plastic enclosures are enhanced with conductive coatings to achieve electromagnetic compatibility (EMC) .
Advantages over other Fabricated Plastic Parts and Semi-Finished Shapes
One of the primary advantages of EMI/RFI shielding fabricated plastic parts over other plastic parts is their ability to provide effective electromagnetic interference protection while maintaining the benefits of plastic, such as being lightweight and flexible. For instance, conductive silicone and composite enclosures offer resistance to environmental factors like sunlight and water, while also providing a good strength-to-weight ratio . Additionally, expanded metal foils used in these parts exhibit consistent and predictable conductivity, making them highly effective for shielding purposes .
Limitations
A notable limitation of EMI/RFI shielding fabricated plastic parts is that plastics inherently provide no shielding unless a conductive coating is applied. This means that the effectiveness of the shielding is highly dependent on the quality and application of the conductive materials used . Furthermore, while conductive silicones and composite materials are useful, they generally lack the conductivity to completely protect against EMI without additional reinforcement .
Considerations
When considering EMI/RFI shielding fabricated plastic parts, several factors should be taken into account. Initial costs can vary depending on the materials and manufacturing processes used, such as the application of conductive coatings or the integration of metal foils. Operating expenses may include maintenance of the conductive properties over time, especially if the parts are exposed to harsh environmental conditions. Durability is generally high, but the effectiveness of the shielding can degrade if the conductive coatings are damaged. Replacement and maintenance costs should also be considered, particularly in applications where high reliability is critical .
from RS Components, Ltd.
Absorber sheet EMI flexible 210x330x0.3 [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Ferrite, Rubber
- Thickness: 0.0118
from RS Components, Ltd.
Absorber sheet EMI flexible 210x330x0.5 [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Ferrite, Rubber
- Thickness: 0.0197
from RS Components, Ltd.
Absorber sheet EMI flexible 210x330x1.0 [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Ferrite, Rubber
- Thickness: 0.0394
from RS Components, Ltd.
WE-FSFS flex Ferrite Sheet 120x120x0.3 [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Ferrite
- Thickness: 0.0118
from RS Components, Ltd.
WE-FSFS Flexible Ferrite Sheet 60x60x0.1 [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Ferrite
- Thickness: 0.0039
from RS Components, Ltd.
WE-FSFS Flexible Ferrite Sheet 60x60x0.2 [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Ferrite
- Thickness: 0.0079
from RS Components, Ltd.
WE-FSFS Flexible Ferrite Sheet 60x60x0.3 [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Ferrite
- Thickness: 0.0118
from RS Components, Ltd.
WE-FSFS flex Ferrite Sheet 120x120x0.2 [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Ferrite
- Thickness: 0.0079
from RS Components, Ltd.
WE-FSFS flex Ferrite Sheet 120x120x0.3 [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Ferrite
- Thickness: 0.0118
from RS Components, Ltd.
WE-FSFS Flexible Ferrite Sheet 60x60x0.1 [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Ferrite
- Thickness: 0.0039
from RS Components, Ltd.
WE-FSFS Flexible Ferrite Sheet 60x60x0.2 [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Ferrite
- Thickness: 0.0079
from RS Components, Ltd.
WE-FSFS Flexible Ferrite Sheet 60x60x0.3 [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Ferrite
- Thickness: 0.0118
from RS Components, Ltd.
Flexible suppressor sheet 240x240x0.1mm [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Polymer base blended with micron sized magnetic powders
- Thickness: 0.0039
from RS Components, Ltd.
Flexible suppressor sheet 240x240x0.2mm [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Polymer base blended with micron sized magnetic powders
- Thickness: 0.0079
from RS Components, Ltd.
Flexible suppressor sheet 240x240x0.1mm [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Polymer base blended with micron sized magnetic powders
- Thickness: 0.0039
from RS Components, Ltd.
Flexible suppressor sheet 240x240x0.2mm [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Polymer base blended with micron sized magnetic powders
- Thickness: 0.0079
from RS Components, Ltd.
Flex Suppression Sheet 240x240x0.1mm EFF [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Polymer base blended with micron sized magnetic powders
- Thickness: 0.0039
from RS Components, Ltd.
Flex Suppression Sheet 240x240x0.5mm EFF [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Polymer base blended with micron sized magnetic powders
- Thickness: 0.0197
from RS Components, Ltd.
Flex Suppression Sheet 240x240x0.3mm EFG [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Polymer base blended with micron sized magnetic powders
- Thickness: 0.0118
from RS Components, Ltd.
Flex Suppression Sheet 240x240x0.3mm FF1 [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Polymer base blended with micron sized magnetic powders
- Thickness: 0.0118
from RS Components, Ltd.
Flex Suppression Sheet 240x240x0.05mm FF [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Polymer base blended with micron sized magnetic powders
- Thickness: 0.0020
from RS Components, Ltd.
Flex Suppression Sheet 240x240x0.05mm FX [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Polymer base blended with micron sized magnetic powders
- Thickness: 0.0020
from RS Components, Ltd.
Flex Suppression Sheet 240x240x0.1mm M4 [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Polymer base blended with micron sized magnetic powders
- Thickness: 0.0039
from RS Components, Ltd.
Flex Suppression Sheet 240x240x0.3mm M4 [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Polymer base blended with micron sized magnetic powders
- Thickness: 0.0118
from RS Components, Ltd.
Flex Suppression Sheet 220x185x0.3 RM4A [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Polymer base blended with micron sized magnetic powders
- Thickness: 0.0118
from Zippertubing Co. (The)
PFR-18 is an extremely flexible, flame retardant poly(ether) urethane material that has a soft rubber-like texture and an operating temperature range of -55 to +107 ºC. PFR-18 jackets offer exceptional toughness, resistance to abrasion and most fluids while exhibiting unusually high flexibility... [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Polyurethane
- Thickness: 0.0180
from Interstate Plastics, Inc.
ULTEM ® ® 1000 polythermide is an amorphous polymer that offers high strength and excellent resistance to flame and heat. It performs continuously to 340f (170c) which makes it ideal for high strength/high heat applications, and those applications requiring consistent dielectric properties... [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Polyetherimide
- Thickness: 0.2500 to 2
from ARC Technologies, Inc.
ARC Technologies provides custom solutions for low to high volume production for energy control and reduction in composite applications for Radomes and other structures and housings. ARC Technologies also has internal and local machining capabilities to provide fast turnaround on composite parts and... [See More]
- Material Type: EMI / RFI Shielding Material
from MAST Technologies
MAST Technologies ’ Reticulated Foam Absorber product series is a lightweight conductive carbon loaded sheet stock providing broadband loss at microwave frequencies. Reticulated Foam Absorbers are designed with a continuous gradient coating to exhibit high reflection loss and are intended to... [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Filler: Metal or MIM; 1
- Thickness: 0.5000
from Zippertubing Co. (The)
63-10 is a flexible, lightweight, .010 â € thick PVC film that has a soft rubber-like texture and an operating temperature range of -20 to +105 ºC. The material meets Mil-I-631D, Type F, Form S, Grade C, Class 1 and features good abrasion and fluid resistance in addition to being... [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: Vinyl / PVC
- Thickness: 0.0100
from MAST Technologies
MAST Technologies ’ Reticulated Foam Absorber product series is a lightweight conductive carbon loaded sheet stock providing broadband loss at microwave frequencies. Reticulated Foam Absorbers are designed with a continuous gradient coating to exhibit high reflection loss and are intended to... [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Filler: Metal or MIM; 1
- Thickness: 0.5000
from Zippertubing Co. (The)
FEP-10 is a clear, high performance FEP Teflon film material that is extremely chemical and temperature resistant. The product was designed to provide outstanding performance in extremely rugged and demanding environmental applications. FEP-10 offers excellent weatherability, fungus resistance,... [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Chemical System: FEP Teflon
- Thickness: 0.0100
from MAST Technologies
MAST Technologies ’ Reticulated Foam Absorber product series is a lightweight conductive carbon loaded sheet stock providing broadband loss at microwave frequencies. Reticulated Foam Absorbers are designed with a continuous gradient coating to exhibit high reflection loss and are intended to... [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Filler: Metal or MIM; 1
- Thickness: 0.7500
from Zippertubing Co. (The)
Viton is an extremely flexible Fluorinated Synthetic Rubber jacket material that has a soft rubber-like texture, outstanding fluid resistance and an operational temperature range from -29 to +200 ºC. Viton is an extremely rugged material that meets the requirements of Mil-R83248C, Type II,... [See More]
- Material Type: EMI / RFI Shielding Material
- Thickness: 0.0160
- Form / Shape: Sheet or Film
- Features: Flame Retardant
from MAST Technologies
MAST Technologies ’ Reticulated Foam Absorber product series is a lightweight conductive carbon loaded sheet stock providing broadband loss at microwave frequencies. Reticulated Foam Absorbers are designed with a continuous gradient coating to exhibit high reflection loss and are intended to... [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Filler: Metal or MIM; 1
- Thickness: 0.7500
from MAST Technologies
MAST Technologies ’ Reticulated Foam Absorber product series is a lightweight conductive carbon loaded sheet stock providing broadband loss at microwave frequencies. Reticulated Foam Absorbers are designed with a continuous gradient coating to exhibit high reflection loss and are intended to... [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Filler: Metal or MIM; 1
- Thickness: 1
from MAST Technologies
MAST Technologies ’ Reticulated Foam Absorber product series is a lightweight conductive carbon loaded sheet stock providing broadband loss at microwave frequencies. Reticulated Foam Absorbers are designed with a continuous gradient coating to exhibit high reflection loss and are intended to... [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Filler: Metal or MIM; 1
- Thickness: 1
from MAST Technologies
MAST Technologies ’ Reticulated Foam Absorber product series is a lightweight conductive carbon loaded sheet stock providing broadband loss at microwave frequencies. Reticulated Foam Absorbers are designed with a continuous gradient coating to exhibit high reflection loss and are intended to... [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Filler: Metal or MIM; 1
- Thickness: 1.25
from MAST Technologies
MAST Technologies ’ Reticulated Foam Absorber product series is a lightweight conductive carbon loaded sheet stock providing broadband loss at microwave frequencies. Reticulated Foam Absorbers are designed with a continuous gradient coating to exhibit high reflection loss and are intended to... [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Filler: Metal or MIM; 1
- Thickness: 1.25
from MAST Technologies
MAST Technologies ’ Lossy Foam Absorber product series is a lightweight conductive carbon loaded sheet stock providing broadband insertion loss at microwave frequencies. Lossy Foam Absorbers are designed with a constant coating to exhibit high reflection loss and are intended to be applied to... [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Filler: Metal or MIM; 1
- Thickness: 0.1250
from MAST Technologies
MAST Technologies ’ Lossy Foam Absorber product series is a lightweight conductive carbon loaded sheet stock providing broadband insertion loss at microwave frequencies. Lossy Foam Absorbers are designed with a constant coating to exhibit high reflection loss and are intended to be applied to... [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Filler: Metal or MIM; 1
- Thickness: 0.1250
from MAST Technologies
MAST Technologies ’ Lossy Foam Absorber product series is a lightweight conductive carbon loaded sheet stock providing broadband insertion loss at microwave frequencies. Lossy Foam Absorbers are designed with a constant coating to exhibit high reflection loss and are intended to be applied to... [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Filler: Metal or MIM; 1
- Thickness: 0.2500
from MAST Technologies
MAST Technologies ’ Lossy Foam Absorber product series is a lightweight conductive carbon loaded sheet stock providing broadband insertion loss at microwave frequencies. Lossy Foam Absorbers are designed with a constant coating to exhibit high reflection loss and are intended to be applied to... [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Filler: Metal or MIM; 1
- Thickness: 0.2500
from MAST Technologies
MAST Technologies ’ Lossy Foam Absorber product series is a lightweight conductive carbon loaded sheet stock providing broadband insertion loss at microwave frequencies. Lossy Foam Absorbers are designed with a constant coating to exhibit high reflection loss and are intended to be applied to... [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Filler: Metal or MIM; 1
- Thickness: 0.5000
from MAST Technologies
MAST Technologies ’ Lossy Foam Absorber product series is a lightweight conductive carbon loaded sheet stock providing broadband insertion loss at microwave frequencies. Lossy Foam Absorbers are designed with a constant coating to exhibit high reflection loss and are intended to be applied to... [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Filler: Metal or MIM; 1
- Thickness: 0.5000
from MAST Technologies
MAST Technologies ’ Convoluted Foam Absorber product series is a lightweight conductive carbon loaded sheet stock providing broadband reflection loss at microwave frequencies. Due to the shape of the cones on Convoluted Foam Absorbers, they exhibit high reflection loss and are intended to be... [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Filler: Metal or MIM; 1
- Thickness: 1.5
from MAST Technologies
MAST Technologies ’ Convoluted Foam Absorber product series is a lightweight conductive carbon loaded sheet stock providing broadband reflection loss at microwave frequencies. Due to the shape of the cones on Convoluted Foam Absorbers, they exhibit high reflection loss and are intended to be... [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Filler: Metal or MIM; 1
- Thickness: 1.5
from MAST Technologies
MAST Technologies ’ Convoluted Foam Absorber product series is a lightweight conductive carbon loaded sheet stock providing broadband reflection loss at microwave frequencies. Due to the shape of the cones on Convoluted Foam Absorbers, they exhibit high reflection loss and are intended to be... [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Filler: Metal or MIM; 1
- Thickness: 3.07
from MAST Technologies
MAST Technologies ’ Convoluted Foam Absorber product series is a lightweight conductive carbon loaded sheet stock providing broadband reflection loss at microwave frequencies. Due to the shape of the cones on Convoluted Foam Absorbers, they exhibit high reflection loss and are intended to be... [See More]
- Material Type: EMI / RFI Shielding Material
- Form / Shape: Sheet or Film
- Filler: Metal or MIM; 1
- Thickness: 3.07
from MAST Technologies
MAST Technologies ’ Tuned Frequency Absorber product series is a thin magnetically loaded sheet stock. Tuned Frequency Absorbers, also known as resonant frequency absorbers, provide great reflection loss at a discrete frequency, typically offering 20dB of attenuation. Tuned Frequency Absorbers... [See More]
- Material Type: EMI / RFI Shielding Material
- Filler: Metal or MIM; 1
- Chemical System: Silicone
- Form / Shape: Sheet or Film
from MAST Technologies
MAST Technologies ’ Tuned Frequency Absorber product series is a thin magnetically loaded sheet stock. Tuned Frequency Absorbers, also known as resonant frequency absorbers, provide great reflection loss at a discrete frequency, typically offering 20dB of attenuation. Tuned Frequency Absorbers... [See More]
- Material Type: EMI / RFI Shielding Material
- Filler: Metal or MIM; 1
- Chemical System: Silicone
- Form / Shape: Sheet or Film
from MAST Technologies
MAST Technologies ’ Tuned Frequency Absorber product series is a thin magnetically loaded sheet stock. Tuned Frequency Absorbers, also known as resonant frequency absorbers, provide great reflection loss at a discrete frequency, typically offering 20dB of attenuation. Tuned Frequency Absorbers... [See More]
- Material Type: EMI / RFI Shielding Material
- Filler: Metal or MIM; 1
- Chemical System: Silicone
- Form / Shape: Sheet or Film
from MAST Technologies
MAST Technologies ’ Tuned Frequency Absorber product series is a thin magnetically loaded sheet stock. Tuned Frequency Absorbers, also known as resonant frequency absorbers, provide great reflection loss at a discrete frequency, typically offering 20dB of attenuation. Tuned Frequency Absorbers... [See More]
- Material Type: EMI / RFI Shielding Material
- Filler: Metal or MIM; 1
- Chemical System: Silicone
- Form / Shape: Sheet or Film
from MAST Technologies
MAST Technologies ’ Tuned Frequency Absorber product series is a thin magnetically loaded sheet stock. Tuned Frequency Absorbers, also known as resonant frequency absorbers, provide great reflection loss at a discrete frequency, typically offering 20dB of attenuation. Tuned Frequency Absorbers... [See More]
- Material Type: EMI / RFI Shielding Material
- Filler: Metal or MIM; 1
- Chemical System: Silicone
- Form / Shape: Sheet or Film
from MAST Technologies
MAST Technologies ’ Tuned Frequency Absorber product series is a thin magnetically loaded sheet stock. Tuned Frequency Absorbers, also known as resonant frequency absorbers, provide great reflection loss at a discrete frequency, typically offering 20dB of attenuation. Tuned Frequency Absorbers... [See More]
- Material Type: EMI / RFI Shielding Material
- Filler: Metal or MIM; 1
- Chemical System: Silicone
- Form / Shape: Sheet or Film
from MAST Technologies
MAST Technologies ’ Tuned Frequency Absorber product series is a thin magnetically loaded sheet stock. Tuned Frequency Absorbers, also known as resonant frequency absorbers, provide great reflection loss at a discrete frequency, typically offering 20dB of attenuation. Tuned Frequency Absorbers... [See More]
- Material Type: EMI / RFI Shielding Material
- Filler: Metal or MIM; 1
- Chemical System: Silicone
- Form / Shape: Sheet or Film