BS 2782-1.130B(1991) : 1991 AMD 10685
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
METHODS OF TESTING PLASTICS - THERMAL PROPERTIES - DETERMINATION OF THE THERMAL STABILITY OF POLYVINYL CHLORIDE BY THE pH METHOD
15-04-2000
23-11-2012
National foreword
Committees responsible
Method
1 Scope
2 Normative references
3 Definition
4 Principle
5 Reagents and materials
6 Apparatus
7 Preparation of test samples
8 Number of tests
9 Temperatures for dehydrochlorination
10 Test procedure
11 Expression of results
12 Precision
13 Test report
Annex
A Cleaning the apparatus
Tables
1 Repeated determinations of stability time
2 Repeated determinations of stability time for a
single product over a 2 year period
3 Repeated determinations of stability time in several
laboratories using a single product
Figures
1 General arrangement of apparatus
2 Cell A (re-usable) for dehydrochlorination of PVC
samples
3 Cell B (disposable) for dehydrochlorination of PVC
samples
4 Tubes for connecting dehydrochlorination cell to
measurement cell
5 Expansion joint for connection on each side of cell
B
6 Example of suitable measurement cell
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