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Bearing Pads and Expansion
Bearing Assemblies
SORBTEX® Fabricated Pads,
Washers, and Bushings
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Slide Bearings
NEOSORB® (AASHTO
Grade Polychloroprene)
Bearing Pads
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directional Random
Oriented Fiber (ROF) Pads
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SORBTEX® Fabricated Pads, Washers, and Bushings


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SORBTEX® is a high quality rubber and layered fabric composite material that has the ability to absorb and dampen impact forces and dissipate vibrations in heavy equipment applications. SORBTEX® is manufactured and tested for compliance with MIL-C-882E. This specification insures that SORBTEX® will provide reliable load deflection characteristics. Additional benefits of MIL-C-882E compliance include: demonstrated resistance to delamination in an oil soaked environment and fungus growth resistance in a moist environment. SORBTEX® is also compliant with applicable sections of MIL-E-5272 and its successor specification.

SORBTEX® can offer ultimate breakdown strength in excess of the MIL-C-882E minimum breakdown strength limit of 10,000 psi. Ultimate breakdown strengths in excess of 12,500 psi are routinely observed during surveillance testing. Pad thickness and configuration will affect the ultimate failure point of the material. This discussion of ultimate failure strength is provided to demonstrate the robustness of the product. Design loads are generally limited to 30% or less of the MIL-C882E minimum strength requirement.

Pads, bushing, and washers are all custom fabricated to meet the projects requirements. Voss Engineering, Inc.'s in-house resources, allow us to offer short lead times for parts with common features such as holes, slots, counterbores, chamfers, step shoulders and other similar requirements. In addition to common fabrication requirements, our capacity allows Voss to offer specialty items such as pads that are 40" wide and taper from 2-3/4" to 7/8" thick down the 126" length to high precision washers used in military aircraft.

The following list of applications reflects the range of Voss' experience in providing SORBTEX® Fabricated Pad, Washers, and Bushings.


Hardness (Shore A)

Compression Min. Ultimate Strength

Shear Modulus (G)

Apparent Shear Modulus (GA)

Tensile Strength

Permanent Set

Volume Swell (per FED-STD-60, REF)

Dielectric Strength (ASTM D149)

Volume Resistivity (ASTM D257)

Compressibility, ASTM F-36

Thickness Tolerance

Applications

Material Used

Standard

90 ± 5 10000 psi 450 psi 1150 psi
1235
psi
400
psi
850
psi
5900 psi 2 ± 1% 25% 155 VDC/mil 3 ohmºcm x 1010 4.0 5% of thickness INDUSTRIAL FACILITIES AND EQUIPMENT:
  • Pipe bridges
  • Heat Exchangers
  • Storage tanks
  • Reactor vessel piping
  • Stack base plate damping ring
  • Oil rig pumps, compressors, and generators
  • Base plates
  • Equipment feet
  • Trash grinding equipment
MINERAL EXTRACTION/QUARRY OPERATIONS:
  • Crushers
  • Breakers
  • Pulverizers
  • Conveyor supports
  • Dragline live roller pads
STEEL MAKING/METAL WORKING INDUSTRIES:
  • Crane Rail Pad
  • Coil Stops
  • Forge Hammer
  • Punch Presses
  • Cradle pads
UTILITY:
  • Compressor stations
  • Transmission towers
  • Wind turbine towers and components
  • Pipe supports
  • Vessel supports
  • Transformers
RAILROAD:
  • Spring Cap
  • Journal Box Pad
  • Bolster Spring Pad
  • Coil Spring Pad
  • Arc Shield
  • Sleet Scraper
FOREST PRODUCTS INDUSTRIES:
  • Crane Rails
  • Debarking Machinery
  • Chippers
  • Log Stops
  • Carriage Rails
  • Pumps and Pulp Processing Equipment
  • Presses
GOVERNMENT
  • Marine Driveline Isolation Pads
  • Armament cradle pads
  • Airframe component isolation
  • Ground Vehicles
Highest Quality Woven 8 ounce Cotton-polyester Duck Fabric MIL-C-882 E

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·  Application


 DOWNLOADS 

SORBTEX® Machinery Application Flyer
(PDF, 822KB)

Technical Manual for Machinery Application of SORBTEX®
(PDF, 5971KB)

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Voss Engineering, Inc. | Manufacturers of Bridge and Structural Bearing Pads, Vibration and Shock Damping Materials