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John Castle at Nolato PPT

John Castle

STANDARD PRODUCTS

Woven aluminium mesh - Aluweave

Aluweave is a versatile, highly conductive gasket medium produced by filing a woven aluminium mesh with either silicone, fluorosilicone or neoprene rubber.

Aluweave is a versatile, highly conductive gasket medium produced by filing a woven aluminium mesh with either silicone, fluorosilicone or neoprene rubber. It is particularly useful where thicker emi shielded gaskets are unsuitable but, because it is woven, it is not viable for ‘landwidths’ of less than 3mm for diecut gaskets. Surface irregularities should not exceed 0.05mm. This material is generally supplied as pre-cut gaskets constructed to the customers specific requirements but can also be supplied in sheets. Our range of EMI Shielded connector gaskets include Aluweave materials.
Woven aluminium mesh - Aluweave products

Applications

Aluweave filled aluminium mesh is used for EMI connector gaskets and other ‘thin’ EMI gasket applications. If aluminium is unsuitable because of galvanic compatibility or shielding effectiveness, the expanded Monel based Monex may be more appropriate.

Aluweave gaskets provide good ‘point contact’ where each crossover occurs, while the rubber filler ensures excellent environmental sealing. Aluweave, like nearly all other conductive gasket materials, should not be fixed with a conductive or pressure sensitive adhesive and should be fixed as a friction fit utilizing the fixing screws to position the gasket before tightening.
Woven aluminium mesh - Aluweave products
Find more information, such as our standard sizes etc, in our catalogue.

CATALOGUE

Detailed information

Specifications

Aluminium Mesh AMS 4182A
Silicone Rubber  AMS 3220B
Fluorosilicone  MIL-R-25988 
Neoprene  AMS 3222C 

Temperature range

Silicone -55 to +250oC
Neoprene -40 to +107o

Performance

Frequency  Field Attenuation
10KHz H 45
100KHz H 55
1MHz H 70
1MHz E >100
10MHz E >100
100MHz E >100
400MHz P 100
1GHz P 69
10GHZ P 50

How to order

Specify: Shielding Series-Filler Code-Thickness-Size or drawing number

Shielding Series Filler Code Thickness Size
GA = Aluweave SX = Silicone 0005 = 0.5mm xxxx-xxxx
  SF = Fluorosilicone    
  NX = Neoprene    

Example / Notes

GA-SX-0005-Drawing No, specifies a cut gasket fabricated from 0.5 mm thick Silicone Aluweave Woven Aluminium Mesh.
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Many of our clients require bespoke made products. If you'd like to discuss a product, please do give us a call and speak to us about your requirements.
Image on how to measure a gasket

How to measure gaskets and o-rings

Gaskets can come in various shapes and sizes. We have put together a guide to help you measure some of the most common shaped gaskets correctly. Please follow the methods to help you successfully measure a gasket.

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Downloads

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Material data sheets

These documents contain information on the potential hazards (health, fire, reactivity and environmental) and how to work safely with the chemical product.

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Application notes

These mini-guides have been designed to help give a quick overview of the product families, their main advantages, usual applications and points to consider during the design stages of a project.

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Product catalogues

Learn more about our extensive range of products.