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Fabreeka® - PTFE Bearing Pad
Bearing pad.
Application
Fabreeka-PTFE bearing pads are used for conditions where it is necessary to accommodate lateral movement (expansion). The PTFE provides a low friction sliding surface on the Fabreeka bearing pad, which distributes high compressive loads and accommodates rotations. In a structural bearing design, polished stainless steel is typically used as the smooth surface that the PTFE slides against.
Description
Fabreeka-PTFE bearing pads are manufactured using Fabreeka pad material with a Teflon® (PTFE) surface. The virgin Teflon is heat cured to the Fabreeka pad using a rigid, laminated thermoplastic (LTP). The rigid LTP layer prevents the PTFE from expanding/flowing under compressive load and rotation (also known as “cold flow”), as the bearing pad compresses.
Features and benefits:
- Commonly used in structural expansion bearings and pipe slides.
- Bearing pad meets AASHTO 18.4.9.1, MIL-C-882 and most state DOT specifications.
- PTFE (Teflon) surface provides low friction for expansion.
- Accommodates lateral movement and rotation.
- Allows for rotations up to 0.02 radians under high pressure.
General information
Color | Grey |
Finish | Natural |
Material | Composite |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
WarrantyDescription | One year |
Uniclass | |
CAWS | E40/445 Insulating load transfer systems E40/445 Insulating load transfer systems E40/440 Load transfer systems |
Specification data - Sliding surface bearings
Load capacity (maximum) | 10 000 psi.The pads shall withstand compressive loads perpendicular to the plane of laminations of not less than 10,000 psi before breakdown. |
Allowable movement of sliding bearings | 0.02 SI.Accommodates lateral movement and rotation. Allows for rotations up to 0.02 radians under high pressure. |
Execution | Installing sliding surface bearings. |
Product Reference | Fabreeka®- PTFE Bearing Pad |
HardnessAt 78°. | 50–65. ASTM D2240 50-65 Durometer D. |
TensileStrengthMinimum. | 2800 psi. ASTM D4894/4895. |
ElongationMinimum. | 200%. ASTM D4894/4895. |
Deformation capabilityDeformation under Load - Maximum. | 4%. ASTM D621 4% (max) 78°F - 2,000 psi (1/2” x 1/2” x 1/32”). |
Specific gravity | 2.14–2.21. ASTM D792. |
Thickness | 3.1 mm. 3.9 mm. 4.7 mm. 5.5 mm. 6.3 mm. |
Environmental information
Contains Red List materials | No |
Country of material origin | United States |
Country of product manufacture | United States |
Recyclability | Material is a composite and therefore not recyclable, in ideal conditions product lifespan can be up to 50 years. |
Recycled content | 0 % |
Literature
Fabreeka-PTFE-Pad-0714_0119
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