Taber Product Sheet

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Frequently Asked Questions

• What is the product of Taber stiffness?

  The product is the stiffness value of the material measured in Taber Stiffness Units. Taber Stiffness Units are defined as the bending moment of 1/5 of a gram applied to a 1 1/2" wide specimen at a 5 centimeter test length, flexing it to an angle of 15°. A Stiffness Unit is the equivalent of one gram centimeter.

• How many Taber units do I need for my Test Range?

  An optional range weight set of 3000 and 5000 Taber units is required for test ranges 7, 8 and 9. Range 1 is used with Taber's optional Sensitivity Range Attachment (also referred to as SR or High Sensitivity Attachment) to test extremely lightweight and flexible materials whose Taber Stiffness Unit value are between 0 - 1.

• How are specimens mounted on the Taber V-5 stiffness tester?

  For test ranges 2 - 9, specimens are mounted on the Taber V-5 Stiffness Tester using a clamping system. Located on the pendulum, the lower faces of the specimen clamp jaws are exactly on the center of rotation. This ensures a constant test length and deflection angle for accurate and repeatable results.

• How do I convert Taber stiffness units to millinewton-meters?

  To convert Taber Stiffness Units to Millinewton-Meters, use the following equation: The extreme sensitivity of the Taber V-5 Stiffness Tester magnifies variations in the material. Therefore, it is recommended that 5 or more samples be tested and the average result taken as the stiffness rating.