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Test Method: SATRA TM2

Tensile properties of insole materials

December 2021

SCOPE

This method is intended to determine the tensile properties of insole materials

using one of two procedures. The first determines the tensile strength and the

second the force required to break the material, its extension at break and its

modulus of elasticity. The first method is applicable to all types of semi-rigid

insole material. The second method is applicable to flexible materials such

as those used for sewn-in sock constructions.

PRINCIPLE

Method 1 - Tensile strength (Semi-rigid materials)

A dumb-bell shaped test specimen is gradually stretched, by a tensile testing

machine, until it fails. The tensile strength of the specimen is determined. The test

can be carried out with either dry and/or wet specimens as required.

Method 2 - Breaking strength, extension at break, and modulus (Flexibles)

A rectangular test specimen is gradually stretched, by a tensile testing machine,

until it fails. The breaking strength, the extension at break and the modulus of

elasticity at 5 % extension, of the specimen are all determined. The test is normally

only carried out on dry specimens.

REFERENCES

BS 907: 1965 - Specification for dial gauges and linear measurement.
BS EN 10002-2: 1992 - Verification of the force measuring system of the tensile testing machine.

HISTORY

First issued December 1966. Revised July 1980, November 1992, May 1995, December 2021.

AVAILABILITY

This test method is available to members and non-members.

PRICE (ex. VAT)

This price is for a printed copy of the Test Method.

  • Members: £65
  • Non-members: £195

TYPE

USAGES

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