BS 2782-1.130C(1993) : 1993 AMD 13566

Superseded

Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View superseded by

METHODS OF TESTING PLASTICS - THERMAL PROPERTIES - DETERMINATION OF THE THERMAL STABILITY OF POLYVINYL CHLORIDE BY THE CONDUCTOMETRIC METHOD

Available format(s):

Superseded date: 07-03-2002

Language(s):

Published date: 23-11-2012

Publisher: British Standards Institution

Table of Contents - (Show below) - (Hide below)

National foreword
Committees responsible
Method
1. Scope
2. Normative references
3. Definition
4. Principle
5. Reagents
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
Annexes
A. (informative) Cleaning of the apparatus
B. (informative) Calculation of repeatability and
     reproducibility - Conductometric and pH-meter
     methods
C. (informative) Bibliography
Tables
1. Repeat determinations of stability time for three
     PVC products over a two year period
2. Unplasticized PVC, theta=200 deg C
3. Unplasticized PVC
B.1 Precision of the conductometric method for
     implasticized PVC
B.2 Precision of the pH-meter method for unplasticized
     PVC
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 the dehydrochlorination cell
     to the measurement cell
5. Expansion joint for connection on each side of
     cell B
6. Example of a suitable measurement cell

Abstract - (Show below) - (Hide below)

Specifies a method for the determination of the thermal stability at elevated temperature of compounds and products based on vinyl chloride homopolymers and copolymers which undergo dehydrochlorination. Coverage includes reagents, apparatus and precision. Also includes annexes, tables and diagrams.

General Product Information - (Show below) - (Hide below)

Committee	PRM/21
Development Note	Renumbered and Superseded by BS EN ISO 182-3. Supersedes 91/41990 DC. (04/2002)
Document Type	Standard
ISBN
Pages
Published
Publisher	British Standards Institution
Status	Superseded
Superseded By	BS EN ISO 182-3 : 2001
Supersedes	91/41990 DC : JUL 91

International Equivalents – Equivalent Standard(s) & Relationship - (Show below) - (Hide below)

Equivalent Standard(s)	Relationship
ISO 182-3:1993	Identical

Standards Referenced By This Book - (Show below) - (Hide below)

BS 7825-3.1:1997	Calibration of rubber and plastics test equipment. Calibration schedules Thermal properties

Standards Referencing This Book - (Show below) - (Hide below)

ISO 4793:1980	Laboratory sintered (fritted) filters — Porosity grading, classification and designation
ISO 565:1990	Test sieves — Metal wire cloth, perforated metal plate and electroformed sheet — Nominal sizes of openings
ISO 182-4:1993	Plastics Determination of the tendency of compounds and products based on vinyl chloride homopolymers and copolymers to evolve hydrogen chloride and any other acidic products at elevated temperatures Part 4: Potentiometric method

Categories associated with this Standard - (Show below) - (Hide below)

Sub-Categories associated with this Standard - (Show below) - (Hide below)

Sorry this product is not available in your region.

Add To Cart