Datasheet

TEST MATERIAL COMPOUND DESIGNATION
DESCRIPTION SPECIFICATION VC1851 VC3400 VC3450 VC3500 VC3205 VC3210 VC3650
Suffix Vanguard -10 -11 -12 -13 -15 -16 -17
(see “ordering” on page 15)
Ag AgAl
Conductive Matrix Standard Pure Ag Pure Ag Pure Ag Abrasion- in Silicone, in Silicone,
(Outer Jacket Material) Vanguard Carbon in in in Resistant
Darkened Darkened
in Silicone Fluorosilicone EPDM Fluorocarbon Ag in Silicone Color Color
Elastomeric Support Matrix Fluoro-
(Inner Core Material) Vanguard Silicone Silicone EPDM
Fluorocarbon Silicone Silicone Silicone
Shielding Effectiveness (dB) MIL-G-83528
Frequency: 200 KHz-H-field para. 4.6.12 30 65 50 55 65 65 65
100 KHz E-field 50 120 80 85 120 120 110
500 MHz E-field 55 120 80 80 120 120 110
2 GHz Plane wave 45 110 75 80 110 120 100
10 GHz Plane wave 40 105 70 75 110 110 90
Volume Resistivity (ohm-cm) ASTM D991 4.00 .002 .050 .100 .002 .001 .005
Surface Resistivity (ohm-Lin.in.) V.P.C method V908 60.0 .250 1.40 1.30 .200 .050 .400
Dur
ometer (Shore A) ASTM D2240 70 50 65 65 45 50 50
Tensile Strength (p.s.i. ) ASTM D412 875 1,200 950 1,800 1,300 1,500 1,500
Elongation (%)
ASTM D412
240
250 210 220 230 320 320
Tear Strength (p.p.i.) ASTM D624 100 80 170 200 100 120 120
Compression Set (room temp.) 1,000 hrs.@72°F 0% 0% 4% 2% 0% 0% 0%
Compression Set (dry heat) 70 hrs.@300°F 10% 15% 20% 20% 10% 10% 10%
Lif
e
T
est 1,000 hrs.@275°F
(v
ol. res. after heat aging) then 48 hrs.@340°F 6.00 .005 .220 .190 .004 .002 .008
MIL-STD-202F
Method 103B
Humidity Test test condition No. 4
(vol. res. after steady-state 240 hrs.@104°F
exposure to moisture) 90-95%R.H. 4.50 .005 .300 .200 .005 .004 .016
Each production batch of Ultra-Vanshield
®
elastomeric compound is lot controlled for the specific mechanical and
electrical characteristics shown. All test data is analyzed and kept on file to assure product consistency within a lot, and
from lot-to-lot.
13
Ultra-Vanshield
®
RFI/EMI dual elastomer shielding gaskets
MATERIAL PROPERTIES