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Fabric over Foam Gaskets

Vent Panels

Think Schlegel EMI for Shielding – Honeycomb Vent Panels

As the originator of the fabric-clad foam EMI shielding technology, Schlegel EMI is the industry’s most trusted name. We continue to set the standard for quality and innovation, designing advanced solutions for a wide range of applications. And our worldwide locations ensure that you get what you need, when you need it.

Modern electronic equipment often requires EMI Gaskets to avoid radiating EMI/RFI suspeptibility to outside sources of EMI/RFI. Maintaining electromagnetic compatibility can be an increasing challenge of the designers of today’s electronic and electrical products.

Schlegel Electronic Materials, Inc. (SEM), the preeminent manufacturer of fabric over foam EMI shielding products for the computer, telecommunications, and electronic industries, offers a full range of EMI shielding products–including gaskets, I/O backplane shielding gaskets, and highly conductive envelopes, tapes and laminates. SEM is now proud to introduce a complete line of quality honeycomb vent panels. The addition of vent panels to SEM’s extensive portfolio of shielding products allows SEM to be your exclusive EMI shielding supplier, to help you meet or exceed yur global requirements for electromagnetic compatibilty (EMC).

We use 5052 grade aluminium foil which is a lightweight material offering superior strength and corrosion resistance over commercial grade aluminium foils. It meets all the requirements of MIL-C- 7438. This material is used to manufacture aircraft floors & wing edges, missile wings, helicopter rotor blades etc, so quality and repeatability is assured. Currently we have 7 frame styles available. To keep down production cost, vent panels made with styles 1701, 1703, 1705, 1706 & 1707 are normally supplied with 3 corners notched and the 4th joined corner welded. If required, all 4 corners of the panel can be supplied fully welded. Frame styles 1702 & 1704 are always supplied with fully welded corners.

All frame stylescan be supplied with a conductive gasket to provide the best electrical contact between the frame and mating metal surface.

Standard tolerances for overall Finished Vent Dimensions are +/- 0.8mm
Standard tolerances on Hole Centres are +/- 0.4mm
Typical corner radii on frame styles 1701, 1703, 1705, 1706 & 1707 are R3.0mm

The standard finish for aluminium vent panels is SemPas , it fully meets the RoHS directive and replaces Alocrom 1200. This in-house process applies a permanganate passivation which is a chromate free, inorganic and non toxic coating. The process produces a dense, uniform coating consisting of aluminium and reduced manganese oxides giving a golden yellow colour to the surface. The surface finish is conductive with a low contact resistance equalling Alocrom 1200. It also meets all requirements of MIL-C-5541E for corrosion and electrical conductivity

Options

Standard Frames

1701 Will accommodate 2 layers of 3.2 or 1.6mm cell x 6.35mm thick honeycomb. Or one layer of 3.2mm cell x 6.35mm thick and one layer of 3.2mm x 6.35mm thick angled honeycomb.

1703 Will accommodate 2 layers of 3.2 or 1.6mm cell x 6.35mm thick honeycomb. Or one layer of 3.2mm cell x 6.35mm thick and one layer of 3.2mm x 6.35mm thick angled honeycomb.

1707 Will accommodate 2 layers of 3.2 or 1.6mm cell x 6.35mm thick honeycomb. Or one layer of 3.2mm cell x 6.35mm thick and one layer of 3.2mm x 6.35mm thick angled honeycomb.

1702 Will accommodate 2 layers of 3.2 or 1.6mm cell x 6.35mm thick honeycomb. Or one layer of 3.2mm cell x 6.35mm thick and one layer of 3.2mm x 6.35mm thick angled honeycomb.

1704 Will accommodate 2 layers of 3.2 or 1.6mm cell x 6.35mm thick honeycomb. Or one layer of 3.2mm cell x 6.35mm thick and one layer of 3.2mm x 6.35mm thick angled honeycomb.

1705 Will accommodate 1 layer of 3.2 or 1.6mm cell x 6.35mm thick honeycomb. Also possible to accommodate 2 layers of 3.2mm cell x 3.2mm thick honeycomb.

1706 Will accommodate 1 layer of 3.2 or 1.6mm cell x 6.35mm thick honeycomb. Also possible to accommodate 2 layers of 3.2mm cell x 3.2mm thick honeycomb.

1709 Main use is for dust filter panels that can be fitted over EMC vent panels, but can accommodate one layer of 3.2 or 1.6mm cell x 6.35mm thick honeycomb, however this is not recommended.

1705 Will accommodate 1 layer of 3.2 or 1.6mm cell x 6.35mm thick honeycomb. Also possible to accommodate 2 layers of 3.2mm cell x 3.2mm thick honeycomb.

EMEI Global Network

Emei Materials Systems Limited

Unit 5, 3/F., Block A, New Trade Plaza,
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Tel :+852-2428 7878
Fax :+852-2686 8268
Email : ems@emeigroup.com / emhpsalesco1@emeigroup.com
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Dongguan Emei Materials Systems Limited

No.8, QiaoxinRoad, QiaotouDongguan, Guangdong, P.R. China
Postal Code : 523525
Tel :+86-769-8334 1628/13809624596
Fax :+852-2686 8268
Email : ems@emeigroup.com / emhpsalesco1@emeigroup.com
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Emei Materials Systems (Shanghai) Limited

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Tel :+86-21 5868 3381
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SCHLEGEL ELECTRONIC MATERIALS ASIA LIMITED

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SCHLEGEL (SHANGHAI) ELECTRONICS LIMITED

4/F, 79 Parts,111 Meisheng Road, F. T. Z., Pudong, Shanghai, China
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Tel :+86-21-5868 3383
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Email : emeish@emeigroup.com
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No. 99, Alley 3, Lane 182,
Section 2 Wenhua Road, Banqiao District, Taiwan R.O.C
Tel :+886-2-8258 5148
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1555 Jefferson Road, Rochester, NY 14623
Tel :+1 585-643-2000
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Schatting 73 BE-8210 Zedelgem Belgium
Tel :+32 59-560-270
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Tel :+86-769-8334 8480
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BMC FAR EAST LIMITED

Unit 5, 3/F., Block A, New Trade Plaza,
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Email : bmcfe@emeigroup.com
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BMC DONGGUAN LIMITED

No.8 Qiaoxin Road, Qiaotou Dongguan, Guangdong, P.R. China
Postal Code : 523525
Tel :+86-769-8345 2480
Fax :+86-769-8334 5656
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