Vibsorb Vibration MIL C Spec:
Vibsorb Vibration Absorption Bearing pads are a layered rubber and cotton duck fabric bearing that can be used in a wide variety of structural bearing applications. They go by many names such as Fabric Bearings, Preformed Fabric Bearings, Cotton Duck Pads and Cotton Duck Bearings. They can have a sliding surface of PTFE and stainless steel for a Sliding Expansion Bearing or can be plain without sliding surfaces. These bearings are well suited when very little relative rotation can be expected (equal to or less than 0.003 radians) and where they will sustain no more than 2500 psi of compressive stress.
VIBSORB Mechanical Properties
| Properties Tested | ASTM Test Method | Value |
|---|---|---|
| Hardness Shore "A" | ASTM D2240 | 90 +- 5 |
| Tensile Strength | ASTM D412 | 5,500 PSI |
| Ultimate Elongation | ASTM D412 | 600% |
| Specific Gravity | 1.21 | |
| Compressive Load | 10,000 PSI | |
| Shear Modulus | 450 PSI | |
| Modulus of Elasticity | 23,000 | |
| Temperature Range | -20F to +200F |
Benchmark accepts no responsibility for individual results obtained. Everyone is strongly recommended to verify data and obtain their own independent test results. This data is subject to change without notice.
Can Vibsorb Vibration Absorption Pads act as an electrical insulator?
Yes. Vibsorb is partially made from rubber and as such has a dielectric strength of 12,500 volts (210 volts / mil) and a resistivity of 8.5 x 10e9 ohm – cm. Natural rubber has an electrical resistance value of 10e15 ohm-cm for comparison.
Vibsorb is a high capacity preformed cushioning pad fabricated using multiple layers of high quality cotton polyester duck fabric, completely impregnated with a high-grade nitrile compound. Finished Vibsorb Vibration Absorption pads will withstand compressive loads perpendicular to the plane of laminations of 10,000 pounds minimum per square inch without detrimental reduction in thickness or extrusion.
Benchmark stocks Vibsorb Vibration Absorption Pad pad material the following dimensions in USA & Canada:
| Elastomeric Pad Thickness | Sheet Dimensions | Roll Dimensions |
|---|---|---|
| 1/16" (1.6mm) | 48" (1219mm) x 96" (2438mm) | 48" (1219mm) x 300' (91.5 meter) |
| 1/8" (3.2mm) | 48" (1219mm) x 96" (2438mm) | 48" (1219mm) x 300' (91.5 meter) |
| 15/64" (6mm) | 48" (1219mm) x 96" (2438mm) | 48" (1219mm) x 300' (91.5 meter) |
| 11/32" (8.8mm) | 48" (1219mm) x 96" (2438mm) | N/A |
| 1/2" (12.7mm) | 48" (1219mm) x 96" (2438mm) | N/A |
| 3/4" (19mm) | 48" (1219mm) x 96" (2438mm) | N/A |
| 1" (25.4mm) | 48" (1219mm) x 96" (2438mm) | N/A |
| 2" (50.8mm) | 48" (1219mm) x 96" (2438mm) | N/A |
Vibsorb Vibration Absorption Pads are also available in cut to size pieces including holes, slots and other finishing requests. Benchmark also stocks the engineer approved epoxy system for bonding Vibsorb to a variety of surfaces including concrete, steel, PTFE and composite materials.
Physical Properties:
- Color: Black with white fabric layers
- Finish = Smooth
- Elastomer Type = Nitrile
- Fabric type = Cotton with Polyester
- Fungal resistant
Meets the following Specifications:
- D.O.T. Federal Standard Specifications for Construction Administration: of Roads and Bridges on Federal Highway Projects (1985).
- AASHTO: Standard Specifications for Highway Bridges.
- Preformed Fabric Pads: 16th Edition – 18.10.2 17th Edition – 18.4.9.1 2nd ED.LRFD – 18.10.2
- PCI: Prestressed Concrete Design Handbook 7th Edition (2010) Part 6, paragraph 6.10.3, Bearing Pad.
- Military Specifications
- MIL-C-882, MIL-E-5272A , MIL-STD-810
Please fill out the below form to receive more information about VIBSORB.
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Additional Thermal Break and Vibration control products we stock in Canada & USA for fast fabrication and shipment:
PTFE-Faced Isolation Pads, Sliding Bearing Pads, Low-Friction Vibration Pads, Fabreeka-PTFE, Lubrite, Slide Bearings, Slip-joint pads, expansion bearing, bridge slide pads, low-friction mount, Low-Friction Isolation Pad, Slip-Plate Isolator, Anti-Vibration Slide Bearing, Thermal-Vibration Hybrid Pad, Dynamic Load Isolation Mount.
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