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ButylFill Conductive Elastomers

Silver-plated Aluminum for Military Applications
M83528 Mil-Spec Performance   •   Low Permeability   •   Butyl Rubber Copolymer

 

ButylFill Elastomers are Ja-Bar’s new grade of conductive shielding gaskets, designed specifically to combat field performance degradation due to corrosion.

Our extremely low-permeability formulation of butyl rubber is combined with uniquely treated silver-plated aluminum conductive particles, providing a sealing system unmatched in performance. While newly developed competitive products boast a 20–50 percent reduction in flange pitting, ButylFill outperforms competitor’s formulations by blocking water vapor throughout the width of the seal, while maintaining electrical conductivity and dramatically reducing corrosive degradation.

ButylFill has a temperature range of -55°C to +160°C.

For more information about our revolutionary new product, or for a custom quote, contact Product Engineering and Support.

 

ButylFill Data Sheeet          ButylFill PowerPoint Presentation

Comparison of Gas Permeability with Natural Rubber = 100 for Reference (25C)
Material
H2O2
N2
CO2
Air
Natural RubberP x 10⁸cc·cm37.417.76.199.6
P x 10⁸cc·cm
100100100100100
Silicone Rubber107022003300
1600
2700
Butyl Rubber (isobutene 98, isoprene 2)
15565448
Polybutadiene (emulsified)
86828010581
Nitrile20%5135314833
Acrylonitrile content27%3217132415
32%24107.5148.5
Teflon®46444319
Polyethelene d=0.926
151198
Polypropylene
23794
Polyvinyl chloride
8221
Salt Spray Galvanic Corrosion – Three Samples Each
Gasket Resistivity (mΩ-cm)Torque onlyAl Wt Loss
(mg)
Dimensional ChangeHardness
Shore A
IDGasketInitialSt
dev
500
hr
St
dev
500
hr
St
dev
%
Change
St
dev
500
hr
St
dev
500
hr
St
dev
Initial
Final
%
Change
B8B5-517.03.49.14.29.04.7
32.58.69.61.3
8.3%
3.5%
68.364.3-5.9
C8B5-785.80.7
10.62.411.41.892.539.7
13.51.4
20.2%3.9%
72.7
69.0-5.0
FPassivated
Type D
5.30.1
47.457.920.37.2285.3147.0
41.16.611.9%
2.8%75.372.3-4.0