METHODS OF TESTING PLASTICS - THERMAL PROPERTIES - DETERMINATION OF MELTING BEHAVIOUR (MELTING TEMPERATURE OR MELTING RANGE) OF SEMICRYSTALLINE POLYMERS

Superseded date

15-06-1997

Published date

23-11-2012

Publisher

British Standards Institution

National foreword
Committees responsible
Methods
0. Introduction
1. Scope and field of application
2. Definitions
Section 1. Method A - Capillary tube
3. Principle
4. Apparatus
5. Test specimens
6. Procedure
7. Test report
Section 2. Method B - Polarizing microscope
8. Principle
9. Apparatus
10. Test specimens
11. Procedure
12. Test report
Section 3. Method C - Thermal analysis (DTA or DSC)
13. Additional definitions
14. Principle
15. Apparatus
16. Test specimens
17. Procedure
18. Expression of results
19. Test report
Tables
1. Calibration standards
2. Characteristics of test specimens
3. DTA reference materials for transition temperatures
in the range 125 to 435 deg C
Figures
1. Apparatus for method A
2. Formalized DTA (or DSC) curve
3. Examples of evaluation of To and Tp on DTA (or DSC)
curves

Describes three methods for evaluating the melting behaviour of semi-crystalline polymers. Covers definitions, capillary tube, polarizing microscope and thermal analysis methods. Contains tables and figures. AMD 8644 RENUMBERS THIS STANDARD

Committee	PRM/21
DevelopmentNote	Renumbered and superseded by BS EN ISO 3146. Supersedes BS 2782-1.123C(1976). (10/2005)
DocumentType	Standard
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS EN ISO 3146:2000
Supersedes	BS 2782-1 Method 123C:1976

Standards	Relationship
ISO 3146:2000	Identical
EN ISO 3146:2000/AC:2003	Identical

BS 7825-3.1:1997	Calibration of rubber and plastics test equipment. Calibration schedules Thermal properties
BS 7029-2:1993	Method of specifying thermoplastics injection mouldings Additional requirements for polycarbonate, polyamide and polyethylene mouldings