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Oriented Wires in Silicone0 pages
Our range of oriented wire in silicone rubbers
combines excellent environmental protection
with a high level of shielding effectiveness. These
products incorporate a matrix of vertically
oriented wires which pierce both flat faces of the
elastomer and provide around 100 contact points
per square centimetre. The materials, which
include solid silicone (SP Shielding) and sponge
silicone (SS Shielding) variants as well as
fluorosilicone (SF Shielding), sponge silicone
flame retardant (SG Shielding) and solid silicone
flame retardant (SR Shielding) options, are
produced in sheet or strip form and are usually
factory fabricated and die-cut into gasket profiles
to customers specifications.
SILS HIE LD Oriented Wires in Silicone
S Shielding
Applications:
Oriented wires in silicone is probably the most versatile of gasket
materials. All variants provide good environmental protection and are
regularly used where long service life, high performance fixed gaskets
are needed. Because of the harder nature of the material, and because it
needs a strong closing force through a relatively rigid cover which is
screw fixed at regular intervals, they are not generally suitable for door
seals or other applications where a regular opening and closing applica-
tion applies. The possible exception to this is the sponge silicone variant.
They are usually supplied in gasket, strip or sheet form with a pressure
sensitive adhesive backing which holds the gasket in the absence of a
groove or channel. If a groove is available the gasket form is often a
jointed 'o' ring without the adhesive backing.
Because oriented wire elastomers are wider than they are high, when
specifying the thickness should be stated first as this will be the length of
the embedded wires. Then, if the height needs to be greater than the
width (i.e. to fit into a groove), there will be no doubt about your actual
needs.
Particular care needs to be taken over the design of gaskets to ensure
that fixing covers or doors do not distort during compression. It is often
necessary to incorporate'limit stops' into the gaskets to prevent
over-compression. The material should be compressed by approximately
15% of its relaxed height. Please contact us for technical advice.
Specifications:
Solid Silicone rubber
Sponge Silicone rubber
Fluorosilicone rubber
Monel wire
Aluminium 5056
Phosphor Bronze Cu Sn 6%
ZZ-R-765 2b 40
AMS3195
Mil-R-25988 Gr 50
BS3075-NA13
AMS4182
(0.11mm diameter)
(0.13mm diameter)
(0.114mm diameter)
Performance: Typical dB
1 imMUiOClT J±
FREQUENCY
10 KHz
100 KHz
1 MHz
1 MHz
10 MHz
100 MHz
400 MHz
1 GHz
10 GHz
Tolerances:
FIELD
H
H
H
E
E
E
E
P
P
ATTENUATION
55
83
>100
>120
>120
>120
>100
95
85
P & P Technology Ltd
1-3 Finch Drive
Springwood Industrial Estate
Braintree CM7 2SF
T:+44 (0)1376 550525
www.p-p-t.co.uk
Thickness up to 1.0mm +0.25mm -0.15mm
Thickness over ± 0.25mm
Width tolerance on sheet material ±1.0mm
SERIES
SP=Solid Silicone
SS=Sponge Silicone
SR=Flame Retardant Solid Silicone
SG=Flame Retardant Sponge Silicone
SF= Solid Fluorosilicone
SE=Wire Free Edge / Duo
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