Rubber Hardness Comparison

 

Hardness

Application

30 Shore A
Art gum erasers

35 Shore A
Rubber bands

40 Shore A
Can tester pads

50 Shore A
Rubber stamps

55 Shore A
Pencil erasers

60 Shore A
Wiper blades

65 Shore A
Automobile tires

70 Shore A
Shoe heels

75 Shore A
Abrasive handling pads

80 Shore A

Shoe soles

85 Shore A
Tap washers

90 Shore A
Typewriter rollers

95 Shore A
Fork lift solid tires

 

When specifying a rubber hardness be sure to include the standard manufacturing tolerance for rubber compounds. Typically rubber manufacturers require a tolerance of +/- 5 hardness points.

Example:
When specifying a hardness of 70 shore A, it is important to note it on the drawing as 70 +/- 5 Shore A.

Download the "Rubber Hardness Comparison" Information Sheet

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