ISO 306:2013
Plastics — Thermoplastic materials — Determination of Vicat softening temperature (VST)
ISO 306:2013 specifies four methods for the determination of the Vicat softening temperature (VST) of thermoplastic materials:
- method A50 using a force of 10 N and a heating rate of 50 K/h;
- method B50 using a force of 50 N and a heating rate of 50 K/h;
- method A120 using a force of 10 N and a heating rate of 120 K/h;
- method B120 using a force of 50 N and a heating rate of 120 K/h.
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.
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Section sec_1
Section sec_2
Section sec_3
Section sec_3.1
Section sec_3.2
Section sec_3.3
Section sec_4
Section sec_5
Section sec_5.1
Section sec_5.1.1
Section sec_5.1.2
Section sec_5.1.3
Section sec_5.1.4
Section sec_5.2
Section sec_5.2.1
Section sec_5.2.2
Section sec_5.2.3
Section sec_5.2.4
Section sec_5.2.5
Section sec_5.2.5.1
Section sec_5.2.5.2
Table tab_a
Figure fig_1
Table tab_b
Figure fig_2
Section sec_6
Section sec_6.1
Section sec_6.2
Section sec_7
Section sec_7.1
Section sec_7.2
Section sec_7.3
Section sec_7.4
Section sec_8
Section sec_9
Section sec_9.1
Section sec_9.2
Section sec_9.3
Section sec_9.4
Section sec_9.5
Section sec_9.6
Section sec_10
Section sec_11
Annex sec_A
Table tab_A.1
Table tab_c
Figure fig_A.1
Annex sec_B
Table tab_B.1
Table tab_d
Figure fig_B.1
Annex sec_C
Annex sec_C.1
Annex sec_C.2
Annex sec_C.3
Table tab_C.1
Table tab_C.2
Table tab_C.3
Table tab_C.4
Annex sec_C.4
Reference ref_1
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Test frame assembly calibration
7 Test specimens
8 Conditioning
9 Procedure
10 Precision
11 Test report
Annex A (informative) Comparison of VST results obtained with liquid-filled heating bath and direct-contact heating unit
Annex B (informative) Comparison of VST results obtained with liquid-filled heating bath and fluidized bed
Annex C (informative) Repeatability and precision
Bibliography
Previous versions
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Section sec_1
Section sec_2
Section sec_3
Section sec_3.1
Section sec_3.2
Section sec_3.3
Section sec_4
Section sec_5
Section sec_5.1
Section sec_5.1.1
Section sec_5.1.2
Section sec_5.1.3
Section sec_5.1.4
Section sec_5.2
Section sec_5.2.1
Section sec_5.2.2
Section sec_5.2.3
Section sec_5.2.4
Section sec_5.2.5
Section sec_5.2.5.1
Section sec_5.2.5.2
Table tab_a
Figure fig_1
Table tab_b
Figure fig_2
Section sec_6
Section sec_6.1
Section sec_6.2
Section sec_7
Section sec_7.1
Section sec_7.2
Section sec_7.3
Section sec_7.4
Section sec_8
Section sec_9
Section sec_9.1
Section sec_9.2
Section sec_9.3
Section sec_9.4
Section sec_9.5
Section sec_9.6
Section sec_10
Section sec_11
Annex sec_A
Table tab_A.1
Table tab_c
Figure fig_A.1
Annex sec_B
Table tab_B.1
Table tab_d
Figure fig_B.1
Annex sec_C
Annex sec_C.1
Annex sec_C.2
Annex sec_C.3
Table tab_C.1
Table tab_C.2
Table tab_C.3
Table tab_C.4
Annex sec_C.4
Reference ref_1
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Test frame assembly calibration
7 Test specimens
8 Conditioning
9 Procedure
10 Precision
11 Test report
Annex A (informative) Comparison of VST results obtained with liquid-filled heating bath and direct-contact heating unit
Annex B (informative) Comparison of VST results obtained with liquid-filled heating bath and fluidized bed
Annex C (informative) Repeatability and precision
Bibliography