CUSTOM STRIPS

Description

CUSTOM STRIPS are a combination EMI/RFI shield with an environmental and pressure seal. CUSTOM STRIPS are manufactured by bonding CUSTOM MESH to an elastomer strip. The knitted mesh can be fabricated from Monel, SnCuFe (tin-plated, copper-clad steel), phosphor bronze or aluminum wire. The elastomer seal is available in silicone or neoprene, sponge or solid.

APPLICATIONS

CUSTOM STRIPS are recommended for applications which require shielding with an environmental seal. The mesh provides the shielding and the elastomer provides the seal. The applications include sealing of enclosure doors, access panels and vent panels.

AVAILABLE CONFIGURATIONS

The strips are available with an adhesive strip which allows easy application and positioning of the gasket.

CUSTOM STRIPS are available with a silicone or neoprene, solid or sponge elastomer seal. For the solid elastomer seal, the mesh is 0.032” (0.81) higher than the elastomer because the solid elastomer is not easily compressed compared to the wire mesh. For the sponge elastomer, the mesh is the same height as the sponge elastomer because they are equally compressable.

Table 12A lists standard sizes of CUSTOM STRIPS with a single EMI/RFI shielding gasket. Table 12B lists the elastomer with dual mesh strips for increased shielding. CUSTOM STRIPS are available in continuous length rolls or can be fabricated to any specification. These are only a partial listing of the sizes and shapes that can be manufactured by Custom Shielding. Contact Custom Shielding for additional shapes, sizes and material composition.

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TABLE 12A. ELASTOMER WITH MESH STRIP

TABLE 12B. SPONGE ELASTOMER WITH TWO MESH STRIPS

Material Specifications
MONEL WIRE - 0.0035”/0.0045” DIAMETER QQ-N-281 B
SnCuFe WIRE 0.0035”/0.0045” DIAMETER ASTM B-520. 2.3% tin plating 30-40% copper-cladding and balance of weight is steel.
ALUMINUM WIRE - 0.005 ” DIAMETER ALLOY 5056, AMS-4182
TIN-PLATED PHOSPHOR BRONZE WIRE . 0.0045” DIAMETER PHOSPHOR BRONZE PER ASTM B.105
TIN-PLATE PER ASTM B.33
NEOPRENE SPONGE ELASTOMER MIL-R-6130B Type II, Grade A, Condition Medium.
SILICONE SPONGE ELASTOMER AMS-3195
NEOPRENE SOLID ELASTOMER MIL-R-6855 Class II, Grade 40.
SILICONE SOLID ELASTOMER ZZ-R-765 Class 2B Grade 40.

ELASTOMER CROSS SECTION TOLERANCES
(REFER TO DIAGRAMS)
Dimensions Tolerance
C & D 0.062” (1.57) TO 0.188” (4.78) +0.015/-0.000”
C & D 0.188” (4.78) TO 0.375” (9.53) +0.032/-0.000”

ELASTOMER CROSS SECTION TOLERANCES
(REFER TO DIAGRAMS)
x Dimensions SPONGE ELASTOMER SOLID ELASTOMER
A UNDER 0.125” (3.18) +.032” (.81)/-.015” (.38) +-.015” (.38)
A 0.125” (3.18) TO .500” (12.70) +-.032” (0.81) +-.015” (.38)
A OVER 0.500” (12.70) +-.062” (1.57) +-.015” (.38)
B UNDER 1.000” (25.40) +-.032” (0.81) +-.032” (.81)
B 1.000” (25.40) TO 2.000” (50.80) +-.062” (1.57) +-.062” (1.57)