NF EN ISO 306

March 1997

Standard Cancelled

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

Main informations

Collections

National standards and national normative documents

Publication date

March 1997

Number of pages

9 p.

Reference

NF EN ISO 306

ICS Codes

83.080.20 Thermoplastic materials

Classification index

T51-021

Print number

1 - 01/03/1997

International kinship

ISO 306:1994

European kinship

EN ISO 306:1996

Replaced standards (1)

NF T51-021

December 1981

Standard Cancelled

Plastics. Determination of the vicat softening temperature of thermoplastics.

Standard replaced by (1)

NF EN ISO 306

December 2004

Standard Cancelled

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

<p>ISO 306:2004 specifies four methods for the determination of the Vicat softening temperature (VST) of thermoplastic materials: </p> <ol><li>Method A50 using a force of 10 N and a heating rate of 50 °C/h</li><li>Method B50 using a force of 50 N and a heating rate of 50 °C/h</li><li>Method A120 using a force of 10 N and a heating rate of 120 °C/h</li><li>Method B120 using a force of 50 N and a heating rate of 120 °C/h.</li></ol> <p>The methods specified are applicable only to thermoplastics, for which they give a measure of the temperature at which the thermoplastics start to soften rapidly.</p>

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