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ISO 306:1994

Plastics — Thermoplastic materials — Determination of Vicat softening temperature (VST)

Jul 21, 1994
95.99 Withdrawal of Standard   Jul 13, 2004

General information

95.99     Jul 13, 2004

ISO

ISO/TC 61/SC 2

International Standard

83.080.20  

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Scope

Specifies four methods for the determination: method A50 using a force of 10 N and a heating rate of 50 °C/h, method B50 using a force of 50 N and a heating rate of 50 °C/h, method A120 using a force of 10 N and a heating rate of 120 °C/h, method B120 using a force of 50 N and a heating rate of 120 °C/h. The principle is determining the temperature at which a standard indenter penetrates 1 mm into the surface. The methods are applicable only to thermoplastics, for which they give a measure of the temperature at which the thermoplastics start to soften rapidly.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 306:1987

NOW

WITHDRAWN
ISO 306:1994
95.99 Withdrawal of Standard
Jul 13, 2004

REVISED BY

WITHDRAWN
ISO 306:2004