The bearing pads shall be manufactured of all new (unused) materials and composed of multiple layers of prestressed 50/50 cotton-polyester blend duck, 8.1 ounce per net square yard, duck warp count 50 ± 1 threads per inch and filling count 40 ± 2 threads per inch, impregnated and bound with a high quality, oil-impervious nitrile rubber compound, containing rot and mildew inhibitors and anti-oxidants, compounded into resilient pads of uniform thickness. The pads shall withstand compressive loads perpendicular to the plane of laminations of not less than 10,000 psi before breakdown
| 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 |
Finish = Smooth
Elastomer Type = Nitrile
Fabric type = Cotton with Polyester
Fungal resistant
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
Military Specifications
MIL-C-882, MIL-E-5272A , MIL-STD-810
| 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 |
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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