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- Holland Shielding Systems
- catalog 2010
catalog 2010
catalog 2010
Holland Shielding Systems BV provides comprehensive EMC solutions with in-house engineering and production capabilities. Their products serve industries such as medical, space, and defense, ensuring compliance with EMC, CE, FCC, TEMPEST, and MIL-STD standards. Key offerings include shielded server rooms, high-voltage labs, military enclosures, and EMI gaskets with worldwide delivery.
To prevent galvanic corrosion, it is essential to maintain a low potential difference between joined materials. In harsh environments, the difference should not exceed 0.3 volts, while in benign environments, it should be no more than 0.5 volts. The document provides a list of materials and their voltage differences to guide material compatibility.
- Standard Shield 7000: An economical HF gasket suitable for general purposes and screwed joints, offering high shielding performance and low closure force. It is customizable with different foam cores and conductive materials.
- Amucor Shield 6800: Designed for zinc-plated steel and aluminum applications, this gasket provides excellent shielding with options for self-adhesive strips and water seals.
- Ultra Soft Shield 7400: Ideal for doors and panels requiring very low closure force, featuring a high-grade polyurethane foam core and metallized fabric for superior shielding.
Recommendations include using highly conductive gaskets to prevent deflection, ensuring compatibility with enclosure materials to avoid corrosion, and employing uninterrupted EMI/water seals. The document advises on gasket shapes and dimensions tailored to specific applications without tooling costs.
Holland Shielding Systems ensures product quality through continuous checks during manufacturing. While technical data serve as guidelines, it is the buyer's responsibility to test product suitability for specific applications. Defective products will be investigated and replaced promptly.
The document includes detailed tables and charts outlining the dimensions, part numbers, and performance metrics for each product type. Shielding effectiveness is measured across various frequencies, highlighting the suitability of each product for specific applications.
The document describes various types of EMI shielding gaskets designed for different applications, including the 8700 series, L-shape gaskets, miniature shields, clip-on shields, EMC/IP gaskets, O-profiles, ultra-soft twin shields, and customized gaskets. Each type has specific features, materials, and dimensions tailored for optimal performance in electromagnetic interference (EMI) shielding and environmental sealing.
Installation procedures for these gaskets typically involve self-adhesive strips for easy mounting, low closure force to prevent bending of doors and lids, and options for custom dimensions to fit specific applications. The gaskets are designed to be easily fitted into grooves or mounted onto metal flanges without the need for tools.
Many of the gaskets are available in flame retardant versions compliant with UL94V-0 standards. The document also specifies the shielding performance in decibels (dB) across various frequencies, indicating the effectiveness of the gaskets in blocking EMI.
For optimal performance, the document recommends selecting the appropriate gasket type based on the application requirements, such as the need for water sealing, temperature resistance, and material compatibility. It also suggests considering the compression and deflection properties of the gaskets to ensure effective sealing and shielding.
- The 8700 series features a resilient foam rubber insert for enhanced compression and is available in lengths up to 2500 mm.
- L-shape gaskets provide both water and EMI seals, with flange heights ranging from 3 mm to 20 mm.
- Miniature shields are available in widths as small as 1 mm and heights up to 6 mm, suitable for applications with limited space.
- Clip-on shields offer easy mounting and are available in various profiles and lengths.
- EMC/IP gaskets combine EMI shielding with water sealing, using materials like Amucor foil and conductive textiles.
- O-profiles are designed for high-performance shielding in military applications, with options for solid, hollow, and cell rubber cores.
- Ultra-soft twin shields provide low closure force and are available with neoprene or PVC foam water seals.
- Customized gaskets can be manufactured in any size and shape using a CNC extrusion system, with no tooling costs for small quantities.
- Non-toxic and environmentally friendly alternative to beryllium gaskets.
- Available in any size and shape with no tooling costs.
- Features include self-adhesive, easy fitting, small dimensions, high deflection, and low closure force.
- Options include water seal combination, UL94V-0 compliance, chemical resistance, and high-temperature resistance.
- Custom shapes according to client drawings, made from conductive rubber.
- Examples include neoprene gaskets with conductive foam or mesh inserts.
- Designed for panels and screwed applications with reinforced corners for optimal shielding.
- Materials include Amucor-shield 6800 and EMC/IP gasket 7300.
- Features easy mounting, high shielding performance, and optional water seal.
- Combines EMI shielding with a water seal, suitable for various applications.
- Materials include Amucor-shield 6800 or Ultra Soft Shield 7400.
- Composite material with wires embedded in silicone for EMI/RFI shielding.
- Used in military, industrial, and commercial applications requiring EMI suppression.
- Non-woven polyester with nickel coating, available with or without conductive adhesive.
- Used for EMI shielding and static discharge applications.
- Rubber filled with conductive metal parts, offering excellent conductivity and shielding.
- Available in various shapes and materials, including fluorsilicone for oil resistance.
- Polyurethane foam plated with copper and nickel, offering excellent conductivity and shielding.
- Available in various thicknesses and suitable for mobile phones, noise filters, and cable trays.
- Used to create transparent shielded windows with mesh foil laminated between PET layers.
- Features scratch resistance and easy application to glass and acrylic surfaces.
Mesh foil is effective for frequencies between 10 KHz and 30 GHz and can be produced in stainless steel, blackened copper, or phosphor bronze. Options include custom wire angles to prevent moiré effects and different materials like polycarbonate, acrylic, or glass. The document provides data on light transmission and shielding performance across different frequencies.
Conductive tapes are available in various materials such as copper, tinned copper, and aluminum, with or without conductive adhesive. They are used for electrical connections, mounting transparent foils, and EMI shielding. The document lists specifications like foil thickness, adhesive type, and shielding effectiveness.
Shielding foils are used to solve EMI problems and are available in materials like Mu-copper, Amucor, and conductive textile. They can be die-cut to any shape and come with options like flame retardant versions and insulation layers. The document provides part numbers and specifications for different foil types.
Cable shielding products include ready-made sleeves and flexible cable shields made from Amucor or conductive fabric. They offer high shielding performance and can be applied to flat and round cables. Options include self-adhesive backing and supply on rolls.
Wrapshield is a double-layer knitted wire mesh used for wrapping cables to enhance shielding performance. It is highly flexible and can be applied with a 50% overlap for increased effectiveness. It is suitable for a wide range of applications and can accommodate various cable diameters.
This is a ready-to-use Mu-copper or tinned Mu-copper tube designed to shield cables. The tube can expand in diameter when compressed lengthwise, allowing it to fit a range of cable sizes. It is available in different widths and lengths, and its flexibility makes it easy to cut and apply.
- 1500 Clip-on Shielding System: Offers high EMI protection with flexible pin positions and is suitable for small to medium production runs.
- 1600 Fixed Series: Customizable framework for larger production runs, with options for thickness and insulation.
- 1700 Drawn Board Level Shields: Designed for ultra-high frequency shielding with seamless corners.
- Conductive Nickel Coating 3801: Provides high attenuation and is easy to apply.
- Conductive Metallization 3838: Offers a full metal coating for superior shielding.
- Conductive Silver Coating 3850: Provides excellent conductivity and is suitable for electronic equipment enclosures.
The 8200 series connector gaskets are designed for EMI shielding and grounding of connectors. They are made from die-cut Amucor-shield or conductive textile and are available in various thicknesses.
Shielding solutions for displays and windows include mesh and conductive coating windows. These solutions provide high shielding performance and are suitable for applications such as LCD displays and touch screens.
Faraday cages and shielded chambers are produced for high-performance shielding applications, utilizing materials like Mu-copper.
Mu-Copper foil is highlighted for its high attenuation properties in both electrical and magnetic fields, making it suitable for transforming regular rooms into shielded environments. The system is easy to apply and can be used with standard interior finishes. Key advantages include cost-effectiveness, lightweight, and maintenance-free operation.
The document includes a table showing the shielding performance of Mu-Copper foil across various frequencies, demonstrating its effectiveness in creating high-performance Faraday cages.
These are described as cost-effective, mobile solutions for high-frequency shielding, suitable for applications like EMC experiments and military use. The tents are made from conductive textile and offer varying levels of attenuation depending on the number of layers used.
These cages provide high-performance RF shielding and are designed for easy assembly and modification. They are suitable for a wide range of applications, including RF measurements and EMC test labs.
The document details various types of shielded doors, including swing and sliding doors, designed for high shielding performance. Options for customization and additional features like fireproofing and automatic locking are available.
The shielding solutions are applicable in diverse settings such as server rooms, medical examination rooms, military sites, and secure communication environments.
The document emphasizes the versatility and effectiveness of the shielding solutions offered, with options for customization to meet specific client needs.
1. Coaxial Feed-throughs/Signal Filters: Designed for maintaining visual contact with devices, these include Ethernet connections and fiber optic converters.
2. Telephone Filters: Various models (Tel-5 to Tel-1000) with impedance ranging from 600 to 100/120 and pass band from 50 kHz to 10 MHz.
3. Absorbers: Includes sheets and pyramids with properties like thickness (0.1 to 3.0 mm), temperature range (-25 to +100°C), and frequency range (30 MHz ~ 5 GHz).
4. Ferrite Tiles: Used for electromagnetic wave absorption, available in standard sizes and thicknesses.
5. Thermal Interface Material: Available in solid and liquid forms, used to enhance thermal transfer efficiency.
6. Magnetic Shielding: MuFerro 6800 for low-frequency magnetic fields, suitable for transformer rooms and high-current installations.
7. Power Filters: Includes tubular and box filters with various performance levels (standard to ultra-high performance).
1. Mounting: Filters can be mounted directly on non-painted surfaces with specific torque values for secure attachment.
2. Installation: Magnetic shielding can be applied to walls, ceilings, and floors for comprehensive protection.
1. EMC Standards: Filters meet EMC standards like EN55011, UL 1283, and EN133200.
2. Performance Testing: Attenuation characteristics are tested according to MIL STD 220 B or GAM T21.
1. Applications: Suitable for use in EMC chambers, medical equipment, and high-power applications.
2. Customization: Custom shapes and sizes available for specific shielding needs.
1. Telephone Filters: Impedance and pass band values are critical for selecting the appropriate filter.
2. Absorbers: Reflection loss and absorption rate graphs indicate performance across different frequencies.
3. Power Filters: Attenuation characteristics graphs show performance across various frequency ranges.
1. Test Voltage and Overvoltage Protection: The test voltage is specified at 1150 VDC without varistors. Overvoltage protection is provided by varistors.
2. Current Ratings: In 10 strokes, the current is 25 kA (8/20 μs), and the maximum current for one stroke is 70 kA (8/20 μs).
3. Performance Types: The document lists various performance types for shielded power filters, including Standard (SP), Medium (MP), High (HP), Super High (SHP), and Ultra High (UHP) performance.
4. Ventilation Panels: Honeycomb vent panels are used for shielding against electromagnetic waves, with options for cross-cell honeycombs for higher shielding performance.
1. Benefits: The honeycomb panels offer lightweight, high shielding performance, low air-flow resistance, and reduced turbulence.
2. Options: Include cross-cell honeycomb, slant honeycomb for outdoor applications, polyurethane filters, mechanical protection, and versions in stainless steel or brass.
1. EMF Surveys: Electromagnetic field surveys assess interference with electronics and health impacts, ensuring compliance with safety standards.
2. Services: Include magnetic DC/AC surveys, electromagnetic radiation exposure limits, and continuous monitoring.
3. Applications: Suitable for sensitive equipment, medical and telecom applications, and defining safe RF levels.
4. Testing: RF testing and diagnostics ensure shielding effectiveness, with compliance to standards like NEMP, MIL-STD, and TEMPEST.
Holland Shielding Systems BV provides contact details for inquiries and sample requests, emphasizing their commitment to customer service and support.
Catalog excerpts
Holland Shielding Systems BV
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Capabilities Flexible and total EMC solutions Our own European production facility in The Netherlands allows us to meet any challenge in providing Electromagnetic solutions for the medical, space and defense industries. This way we help our customers meeting specific EMC, CE, FCC, TEMPEST and MIL-STD standards for enclosures and gaskets. In-house engineering and production Shielded server room Shielded high-voltage lab Continuous water and EMI seal Customized military TEMPEST enclosure Super flat EMI gasket Shielded ventilation for server racks Shielded vehicle for radar jammer protection Worldwide...
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Material selection Design tips Prevent galvanic corrosion Construction details /warranty EMC/IP profiles Ultra soft twin shield 7800 Easy to mount clip-on EMI gasket with waterseal Low closure force EMI/IP gasket Any size and shape, EMI/IP gasket Gaskets die-cut according to client's drawing For panels and screwed applications Faraday cages and components Wall paper system + ceiling Shielding tents Modular/anechoic cages Shielded box/data connections Magnetic shielding Power filters Mu-copper faraday cages High performance for high frequencies High performance in a wide frequency range (Automatic)...
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Material Selection Prevent galvanic corrosion Materials / galvanic corrosion To avoid galvanic corrosion it is important that the potential difference between the joined materials is not too high. The difference in voltage between any two materials is an indication of their compatibility and the following criteria are commonly used: • Harsh environment (exposure to salt spray/weathering) no more than 0.3 volts • Benign environment (indoors, salt-free condensation only) no more than 0.5 volts Material enclosure Zinc die-casting alloy passivated Zinc plating on steel, chromate Cadmium plating on...
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Design Tips Construction details / warranty Shapes and dimensions acc ording to your specification s without tooling costs. . prevent corrosion Keep water out to water seals. combined EMI / se uninterrupted U Windows / displays with mesh or conductive transpar ant foil, depending on frequen cies/attenuation. Use connector gaskets for low-impedance coupling to the enclosure. weak indicative gasket se lection graphic at sheets am fo single anged edges PU 9x re 9m 6m m m co re 9x 3m 9x m m m 0 x1 m 10 6 m 8x m m 4 8x mm 0.3 2m 8x 6x1 core m 3m 0.2 m 9x foa foam moulded and double ang ed machined...
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Standard Shield Standard Shield 7000 is an economical HF gasket which can be supplied in a wide range of dimensions. It is very effective in combination with stainless steel, copper and chrome-plated All gaskets can be provided with a (conductive) self-adhesive strip. Standard Shield 7000 consists of a neoprene or PVC foam core covered with textile. This guarantees excellent shielding performance and it is very strong. For special applications, different foam cores, conductive foils and fabrics are available. Shielding Performance • Easy to fit, can be cut with scissors • Good water resistance...
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Adhesive specifications (Standard type) Our adhesive is a transparent double-sided tape consisting of a PP-film backing and a tackified acrylic • Backing material • Tensile strength Tackified acrylic Item numbers in bold are 98% stock items. Other dimensions on request. Core specifications (Standard Neoprene foam): • Resistance when compressed • Resistance to mineral oils • Resistance to vegetable oils • Resistance to chlorine solutions • Flame retardancy: Self extinguishing standard self-adhesive placed in the middle, standard neoprene foam core: 7082-01-N Part number Tape code 01 : standard...
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Amucor Shield 6800 is an economical HF gasket which can be supplied in a wide range of dimensions. It is very effective in combination with zinc-plated steel and aluminium constructions. All gaskets can be provided with a (conductive) self-adhesive strip. Amucor Shield 6800 consists of a neoprene or PVC foam core covered with reinforced foil, based on an Amucor alloy. This guarantees excellent shielding performance and very great strength. For special applications, different foam cores, conductive foils and fabrics are available. CCiiNECT SHEETS WITH AN OVERLAP W FUNGES • Cut into specifec lengths...
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Mechanical properties Item numbers in bold are 98% stock items. Other dimensions on request. Shielding performance standard neoprene foam core: 6882-01-N Part number Tape code standard self-adhesive placed in the middle without self-adhesive with conductive self-adhesive (only recommended on small sizes) standard self-adhesive, asymmetrical standard self-adhesive placed on the side Foam code N : standard neoprene foam E : EPDM foam core P : PVC foam, slow recovery F : flame retardant UL94V-0 foam
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Ultra Soft Shield 7400 Ultra Soft Shield 7400 is an HF shielding gasket with high shielding performance and extremely low closure force. This prevents deflection of doors/parts, which improves shielding effectiveness. The core consists of a high-grade polyurethane foam core with a maximum compression of 80%, which distinguishes Ultra Soft Shield 7400 from other commonly used shielding materials. Ultra Soft Shield 7400 is covered with a highly conductive, wear and tear resistant metallized fabric. Different foam cores, conductive foils and fabrics are available for special applications. METAL...
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Ultra Soft Shield 7400 • Very low closure force • Very high electric conductivity • High shielding performance • High abrasion resistance • Tools required: a pair of scissors Round, half-round, rectangular shape: Item numbers in bold are 98% stock items. Other dimensions on request. xFoam core • Cut into specific lengths • Combination with water seal • UL94V-0 flame retardant foam core • Chemical resistant rubbers like EPDM • Silicone sponge for high temperatures up to 220°C • Different conductive foils and fabrics Ultra Soft Shield 7400, 9 x 6 mm, standard self-adhesive, standard polyurethane...
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