D38999 Gaskets

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D38999 connector gaskets are precision diecut gaskets made from a large selection of material, both conductive and non-conductive.

Maxshield Aluweave GA Series is a versatile, highly conductive gasket medium produced by filing a woven aluminium mesh with either silicone, flurosilicone or neoprene rubber. It is particularly useful where thicker gaskets are unsuitable but, because it is woven, it is unsuitable for 'landwidths' of less than 3mm for diecut gaskets. Surface irregularities should not exceed 0.05mm. This material is available in two thicknesses – 0.4mm and 0.5mm ± 0.1mm – and is generally supplied as pre-cut gaskets.  

Aluweave is used for connector gaskets and other 'thin' gasket applications. If aluminium is unsuitable because of galvanic compatibility or shielding effectiveness, the expanded Monel based GX Series 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 utilising the fixing screws to position the gasket before tightening.

Maxshield Monex GX Series is an expanded Monel foil filled with silicone rubber. The exposed foil surface provides excellent conductivity combined with good corrosion resistance. Monex is also a 'thin' gasket medium, similar to Aluweave and is particularly suitable for connector or waveguide gaskets for connector or waveguide gaskets where a pressure seal and EMI shield is required. The material cannot be effectively joined so gaskets should be cut in one piece wherever possible. Thicknesses of 0.5mm and 0.75mm are available.

To retain the strength of the foil, we recommend that a minimum land-width of 3mm should remain at any point around the edge of a Monex gasket. Like Aluweave, Monex is used for connector gaskets and other 'thin' gasket applications. Mating surfaces should ideally be within ± .01mm. Where hermetic sealing is not necessary, Monex – NF is available without the silicone filler. Monex gaskets provide good 'point contact', while the rubber filler ensures excellent environmental sealing. Monex, 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 utilising the fixing screws to position the gasket before tightening.