PRODUCTS SORBTEX® Structural
Bearing Pads and Expansion
Bearing Assemblies SORBTEX® Fabricated Pads,
Washers, and Bushings VSB Series (PTFE/Steel)
Slide Bearings NEOSORB® (AASHTO
Grade Polychloroprene)
Bearing Pads FIBERLAST® - Omni-
directional Random
Oriented Fiber (ROF) Pads VOSSCO® - Random
Oriented Fiber (ROF) Pads
All Categories > FIBERLAST® - Omni-directional Random Oriented Fiber (ROF) Pads  
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FIBERLAST® - Omni-directional Random Oriented Fiber (ROF) Pads


FIBERLAST® - Omni-directional Random Oriented Fiber (ROF) Pads

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FIBERLAST® is an advanced random oriented fiber (ROF) bearing pad material that is widely used in the industrial/commercial cast-in-place concrete and precast concrete construction industry. With a uniform compressive stress capacity of 2,000 psi, FIBERLAST® offers higher loading limits than traditional ROF materials (σ average = 1,500 psi) and AASHTO grade neoprene (σ average = 800 psi). FIBERLAST® is typically used in single element bearing pad applications with modest longitudinal movement requirements. The document titled " FIBERLAST® Plain Pad Catalog" contains a complete description of the evaluation and test program that was conducted to determine the product application recommendations. Occasionally, FIBERLAST® is used as the elastomeric component in an expansion bearing assembly. This type of application is generally driven by a large rotation requirement. The document titled " FIBERLAST® Expansion Bearing Pad Catalog" provides further details for use in expansion bearing applications.




Physical Properties  · Heat Resistance  · Ozone Resistance  · Oil Immersion  · Specifications

Physical Properties

Hardness ASTM D 2240 (Shore A)
80 ± 5

Tensile strength ASTM D 412
1000 ± 100 psi

Min. Ultimate Elongation ASTM D 412
40%


Heat Resistance

Specified Temperature of the Test ASTM D 573
100 ºC
212 ºF

Aging Time ASTM D 573
70 hours

Max. Change in Durometer Hardness ASTM D 573 (Shore A)
10

Max. Change in Tensile Strength ASTM D 573
-25%

Max. Change in Ultimate Elongation ASTM D 573
-25%


Ozone Resistance

Specified Temperature of the Test ASTM D 1149
37.8 ºC
100 ºF

Aging Time ASTM D 1149
70 hours

Concentration ASTM D 1149
100 pphm

Min. Tensile strength ASTM D 1149
725 psi

Elongation ASTM D 1149
40%


Oil Immersion

Specified Temperature of the Test ASTM D 4711
100 ºC
212 ºF

Aging Time ASTM D 4711
70 hours

Oil Solution ASTM D 4711
#3

Volume Change ASTM D 4711
125%


Specifications

Shear Modulus ASTM D 4014-87

 View
283 psi

Apparent Shear Modulus

 View
230 ± 30 psi

Compressive Strength

 View
8000 psi

Thickness Gauge Tolerance

 View
± 0.063 or 15%


 DOWNLOADS 

Fiberlast Plain Pad Catalog
(PDF, 2492KB)

Fiberlast Expansion Bearing Pad Catalog
(PDF, 1499KB)



 Other Voss Bearing Pads Available 


VOSSCO® - Random Oriented Fiber (ROF) Pads
VOSSCO® - Random Oriented Fiber (ROF) Pads

NEOSORB® (AASHTO Grade Polychloroprene) Bearing Pads
NEOSORB® (AASHTO Grade Polychloroprene) Bearing Pads

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