Technical Info. located at bottom of page


WS-25 Hemispherical Polyurethane Bumper
as low as 3.6¢ per pc.

Cross Reference: SJ 5382, BS-25

Available in: Clear - Black

Clear Description Cost ¢ / unit    
WS-25CL-HBOX Box of 2,700 Clear Pieces/Units $145.18
WS-25CL-CASE Case of 5,400 Clear Pieces/Units $194.85
WS-25CL-P45 Pad of 45 Clear Pieces/Units $4.78
WS-25-P225 Pad of 225 Clear Pieces/Units $15.28
WS-25-BOX1350 Box of 1,350 Clear Pieces/Units $78.32
WS-25CL-P75 Pad of 75 Clear Pieces/Units $6.90
Black Description Cost ¢ / unit    
WS-25BL-HBOX Pad of 2,700 Black Pieces/Units $145.18
WS-25BL-CASE Case of 5,400 Black Pieces/Units $194.85
WS-25BL-B1350 Pad of 1,350 Black Pieces/Units $78.32
WS-25BL-P45 Pad of 45 Black Pieces/Units $4.78
WS-25BL-P75 Pad of 75 Black Pieces/Units $6.90

Technical Information

  English Metric
Diameter (Width) 1/4" 6.4 mm
Height (Projection) 5/64" 2.1 mm

Full Case Layout

pcs per full case 5400
pcs per pad 450
pads per case 12
pad piece layout 30 across x 15 down

Polyurethane Specifications
Spec Name Value
Tensile Strength, psi 627psi
Elongation,% 192%
Tear Strength, pli 214 pli
Hardness, Shore A 60-70 Shore A
Bashore Rebound, % 27%
Abrasion Resistance g/1K cycles Tabor 0.016
QUV (500 hours) Slight Yellowing
Adhesive Specifications
Spec Name Value
Static Shear Test 300+ hours
Quick Tack - Stainless Steel 77 oz/in2
Peel Adhesion 64 oz/in
Substrate: Thickness 2 mils
Substrate: Weight 10,000 in2/lb
Substrate: Tensil Strength 28,000 psi MD
Liner: Thickness 6.2 mils
Temperature: Application 65 deg F - 150 deg F
Temperature: End Use 0 deg F - 180 deg F
Substrate Elongation 120% MD
Shelf Life 24 months
Storage 73.4 deg F and 55% rel humidity
Liner: Basis Weight 92.0 lb

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Disclaimer: Although we try our best to provide reliable information. Due to the many applications of our products, we recommend performing suitability tests for your particular application. Do not solely use this information to determine the usability of these products for your application. No person is authorized to assume any liability or obligation for the suitability of this product for a particular application.

Warning: Choking Hazard. Bumpers are not recommended where toddlers or infants are present.

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