Test Method: SATRA TM64

Compression set - constant stress method

January 1996

SCOPE

This method is intended to determine the compression set of a material. This is a measure of retention of shape and elastic properties. The method is mainly applicable to solid and cellular footwear solings materials, but can be used with any type of compressible material.

PRINCIPLE

The percentage change in thickness of a test specimen is calculated after it has been compressed by a predefined pressure for a set time and allowed to recover for a further set time.

REFERENCES

BS 903: Part A38: 1991 (1996) – Methods for the determination of dimensions of test pieces and products for test purposes.

HISTORY

First issued August 1960 (Method 1 PM99) May 1970 (Method 2 PM64) January 1996 (Combined as PM64). Revised May 1970, August 1981 (Method 1 PM99) February 1987 (Method 2 PM64).

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: £75
Non-members: £215

TYPE

General and physical properties (other than strength)

USAGES

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