BS 2571:1990
Current
The latest, up-to-date edition.
Specification for general-purpose flexible PVC compounds for moulding and extrusion
Hardcopy , PDF
English
30-04-1990
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Foreword
Committees responsible
Specification
1 Scope
2 Composition
3 Classification
4 Colour fastness
5 Colour bleeding
6 Appearance
7 Physical property requirements
8 Marking
Appendices
A Preparation of milled and moulded sheets and test
specimen conditioning
B Relationship between weathering and the different
grades of colour fastness
Tables
1 Physical properties of injection moulding compounds
2 Physical properties of extrusion compounds
3 Relationship between softness number and the surface
temperatures of mill rolls and moulds
Updates the grades available, aligns the test methods with ISO test methods as far as possible and introduces grading by colour fastness.
| Committee |
PRI/82
|
| DevelopmentNote |
Supersedes 87/42851 DC and BS 2571(1963). (06/2005) Reviewed and confirmed by BSI, May 2009. (04/2009)
|
| DocumentType |
Standard
|
| Pages |
10
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This British Standard specifies the composition and property requirements for 12 types of general-purpose flexible PVC compounds M1 to M6 used for injection moulding, and E1 to E6 used for moulding and extrusion applications.
NOTE 1 Chlorinated PVC compounds are not included in this standard.
NOTE 2 The titles of the publications referred to in this standard are listed on the inside back cover.
| BS 2782-3:Methods 320A to 320F:1976 | Methods of testing plastics. Mechanical properties Tensile strength, elongation and elastic modulus |
| BS 2782-1:Method 151A:1984 | Methods of testing plastics. Thermal properties Determination of cold bend temperature of flexible polyvinyl chloride extrusion compound |
| BS 2782-5:Method 540B:1982 | Methods of testing plastics. Optical and colour properties, weathering Methods of exposure to laboratory light sources, (xenon arc lamp, enclosed carbon arc lamp, open-flame carbon arc lamp, fluorescent tube lamps) |
| BS 2782-5.542A(1979) : AMD 10684 | METHODS OF TESTING PLASTICS - OPTICAL AND COLOUR PROPERTIES, WEATHERING - QUALITATIVE EVALUATION OF BLEEDING COLOURANTS |
| BS 6746:1990 | Specification for PVC insulation and sheath of electric cables |
| BS 2782-5 Method 540A:1977 | Methods of testing plastics. Optical and colour properties, weathering Determination of resistance to change upon exposure under glass to daylight |
| BS 2782-1:Method 150B:1976 | Methods of testing plastics. Thermal properties Determination of cold flex temperature of flexible polyvinyl compound |
| BS 2782-3:Method 365A:1976 | Methods of testing plastics. Mechanical properties Determination of softness number of flexible plastics materials |
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