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Knitted Wire Mesh0 pages
Knitted wire meshes are produced from a single
continuous filament and produce very high levels
of EMI shielding performance when evenly
compressed between two metallic contact
surfaces.
Our KP Shielding meshes are available in four
basic wire types - Monel, Aluminium, TCS (Tinned
Copper-clad Steel) and Stainless Steel. Each has its
own specific characteristics but TCS is generally
regarded as the most suitable for EMP (low
frequency) shielding.
KNITSHIELD Knitted Mesh
KP Shielding
Applications:
Because knitted wire meshes are not as resilient as elastomer cored
meshes (see KE Shielding), and will eventually take a compression-set,
they are generally used where the panel mating surfaces are perma-
nent or fixed.
KP meshes provide only limited environmental sealing so are normally
used for applications that are not exposed to the elements unless they
are protected by a further external elastomeric seal (see KC Shielding).
They do, however, have a long service life and a high temperature
tolerance.
For optimum effectiveness knitted mesh gaskets should be
compressed by 20 - 25% of their relaxed height. If surface irregularities
prevent this, an elastomer cored mesh (KE Shielding) would be more
suitable.
Gaskets can either be retained in a groove or channel or fixed with
adhesive (the wire contact points can penetrate a thin film), welding or
soldering.To facilitate clamping or riveting,'round-with-tail'and
'double-round-with-tail'sections are available.
Specifications:
Monel
Aluminium 5056
TCS
Stainless Steel
■BS3075-NA13
■AMS4182
■ASTM B520
■ Alloy 304
(0.11mm diameter)
(0.13mm diameter)
(0.11mm diameter)
(0.11mm diameter)
Performance: Typical Attenuation dB
FREQUENCY FIELD MONEL ALUMINIUM TCS S/STEEL
lOKHz
lOOKHz
1MHz
1MHz
10MHz
100MHz
400MHz
1GHz
10GHz
Tolerances:
H
H
H
E
E
E
P
P
P
45
49
60
125
120
100
98
85
80
40
45
60
125
120
100
95
76
65
60
65
85
125
120
108
99
78
62
40
44
58
125
120
100
94
76
60
General +0.8mm / -0.0mm on all dimensions
How to order:
1 n-rtMtHOCT ^
P&PTechnology Ltd
1-3 Finch Drive
Springwood Industrial Estate1
Braintree CM7 2SF
T:+44 (0)1376 550525
www.p-p-t.co.uk
Standard sizes can be specified from the tables opposite.
Alternatively, specify:
Series - Wire Code -Style - Size/Dimensions
Examples:
KP-M-10-0024 is Monel wire 2.4 mm diameter round
KP-A-20-0095-0127 is Aluminium wire 9.5 x 12.7 mm rectangular
SERIES WIRE CODE
KP M=Monel
A=Aluminium
T=TCS
STYLE SIZE
10=Round xxxx-xxxx
20=Rectangular
30=Round with tail
S=Stainless Steel 40= Double round with tail
"
