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Pendlay Black Economy Bumper Plates 35lb (Pair)

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Pendlay Black Economy Bumper Plates 35lb (Pair)

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Availability: In stock.

Regular Price: $124.99

Sales Price: $99.97

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Quick Overview

Pendlay Barbell tests their bumper plates by Shore Durometer readings (type A) to give customers factual data instead of sales pitches and opinions. Shore Durometer is one of several measures to test the hardness of a material. Hardness may be defined as a material's resistance to permanent indentation and total failure (examples of total failure; insert coming out, rubber seperating, plates warping). We consider anything over 65 acceptable for a quality bumper plate. The maximum reading we have tested on a bumper plate is 96 (CAP 10lb). The overall maximum reading that can be achieved is 100. Higher reading bumper plates are likely to resist indentations and total failure than lower reading bumper plates. We understand there are many ways to define the quality and cosistency of bumper plates. However, we feel that this type of testing is statistically valid and objective.


Essential Data
Plate diameter: 450mm (IWF Standard is 450mm)
Collar opening: 50.4mm*
Insert type: Stainless Steel
Weight tolerance: +/- 0.5% of claimed weight
Coloring: B (graded: A through F)
Odor: Low
Classification: Black Economy Plate
Material: Virgin Rubber and Rubber Additives
Origin: China

*Pendlay Barbell only guarantees that bumpers plates will fit properly IWF conforming or certified bars. Low end bars are not manufactured with strict tolerances for the collar diameter. Collar diameter for quality bars is in the range of 49.70mm-50mm. Pendlay Bars are an exact 50mm which conforms with IWF requirements.


Average Durometer Reading - 82.11 (very good)
Durometer Range - 8 (good)
Durometer Standard Deviation - 2.39 (good)

High durometer readings indicates a high material quality. Low numbers for the durometers range and standard deviation indicates consistent manufacturing.

Weight Measurements LBs
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