EMI/RFI/EMC Shielding and solutions
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Tel: +31(0)78 - 6131366
Fax: +31(0)78 - 6149585

7500 L-shaped gasket

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L-shaped gasket 7500 series
L-shaped EMI/RFI shielding gasket with water seal (IP seal) for thin doors and lids

Holland shielding systems B.V. has developed this L-shaped gasket to make an efficient combined seal for doors and lids. This L-shaped gasket is used to achieve two goals at once. A water seal and an EMI seal.

This L-shaped gasket is made from a whole piece of neoprene foam. One side has been laminated with conductive textile (the conductive side) and the other side is blank neoprene that provides a water seal.

The flange of the door will compress the water seal side of the gasket with very little force to assure a watertight seal.

The electrical conductive part on the other side of the gasket makes an electrical connection between the door and the leaf of the door.

L-shape EMI / RFI shielding gasket in a closed construction

In the above picture you will see a closed lid with the gasket mounted on the inside of the lid. Please see the video to right side for more information.

The gasket will realize a perfect airtight locking and makes at the same time an electrical contact on the inside of the housing. The electrical contact is free of water and dust.

L-shape EMI / RFI shielding gasket in small dimensions

The gasket can be supplied in every size.
Please specify the size that you are looking for by e-mail or use the question form on the left of this webpage.

L-shape EMI / RFI shielding gasket mounted in a lid

In the picture above you can see how the gasket is mounted on the inside of the lid. The L-shape EMI / RFI shielding gasket can be mounted with an self-adhesive or an conductive self adhesive.

When the lid is closed the electrical contact is free of water and dust.

L-shape EMI/RFI shielding gasket

Benefits

  • Bends easily around sharp corners without interrupting the water seal.
  • Excellent water sealing up to IP65 (depending on construction).
  • Easy mounted with a self-adhesive strip.
  • Easy to use with small doors and lids.
  • Low closure force to prefent bending of doors and lids
  • Roll length of 1 until 1000 meters. (Depending on width and height of the gasket)
  • Tools required: a pair of scissors

Options (On request)

  • Custom made in the dimensions which you need
  • Available in flame retardent version
  • Available with conductive self afhesive
  • Available with chemical resistant rubbers like EPDM
  • Silicone sponge for high temperatures up to 220°c
  • Different conductive foils and fabrics against tension corrosion
  • Cut into accurate lengths
  • Different conductive foils and fabrics
  • As a ready made fram

 

Standard dimensions

7500 L-shape gasket type A
Type A: 2 mm waterseal and 2 mm Conductive layer on the bottom
Flange height can be specified

7500 L-shape gasket type B
Type B: 3 mm waterseal and 3 mm Conductive layer on the bottom
Flange height can be specified

7500 L-shape gasket type C
Type C: 4 mm waterseal and 4 mm Conductive layer on the bottom
Flange height can be specified

Flange height Y Type A Type B Type C
(mm) Small Medium Large
Partnumber
3 7503-S    
4 7504-S 7504-M  
6 7506-S 7506-M  
8 7508-S 7508-M 7508-L
10 7510-S 7510-M 7510-L
12 7512-S 7512-M 7512-L
14 7514-S 7514-M 7514-L
16 7516-S   7516-L
18 7518-S   7518-L
20 7520-S   7520-L

* If another size is required feel free to send your drawings by email to info@hollandshielding.com

Shielding performance

Shielding Performance
Frequency Hz Mode Screening in dB
1 Mhz E 121 dB
10 Mhz E 110 dB
100 Mhz E 103 dB
400 Mhz E 98 dB
1 Ghz P 93 dB
10 Ghz P 90 dB
These values are measured under laboratory conditions.
In your situation results may differ, please read our Guarantee.

 

Example
When you order L-shape gasket 7500, medium version (3 mm thickness), with 6 mm flange and conductive textile (T), then specify the partnumber as below:

Part number Type Flange height (mm) Cover
7500
B
6
T

S : Small (2 mm)
M : Medium (3 mm)
L : Large (4 mm)

Other on request

Specify the flange height in mm.
T : Conductive textile
A : Amucor foil

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Delivery terms - All our deliveries are according to our delivery terms
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