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BS EN ISO 177:2017

Current
Current

The latest, up-to-date edition.

Plastics. Determination of migration of plasticizers
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-01-2017

Foreword
1 Scope
2 Normative references
3 Terms and Definitions
4 Principle
5 Apparatus
6 Test specimens
7 Conditioning
8 Procedure
9 Expression of results
10 Test report
Bibliography

Provides a method for the determination of the tendency of plasticizers to migrate from plastics in which they are contained into other materials or other plastics when they are brought into close contact.

This document specifies a method for the determination of the tendency of plasticizers to migrate from plastics in which they are contained into other materials or other plastics when they are brought into close contact. NOTE1 The surfaces into which the migration can proceed can also consist of organic surface coatings, such as lacquers. This test is suitable for evaluating the tendency displayed by plastics, particularly in the form of films and sheets, to lose certain of their liquid constituents when they are brought into contact with materials that have an affinity for plasticizers, and for studying the tendency to migrate of plasticizers contained in a resin or a series of resins, in one or more concentrations. In case b), standard compounds are prepared on the basis of a well-characterized resin with well-defined ratios of plasticizer to resin. NOTE2 When the absorbent sheets themselves contain a substance capable of migrating, simultaneous migrations can occur from the test specimens into the absorbent sheets and vice versa. The results may also be affected by the migration of other constituents of the plastic material (for example, oligomers) or by the loss of any volatile constituents other than plasticizers from the plastic material or the absorbent layer.

Committee
PRI/21
DevelopmentNote
Renumbers and supersedes BS 2782-4.465C(1990). 2000 Version incorporates amendment 10677 to BS 2782-4.465C(1990). Supersedes 84/36320 DC. (09/2005)
DocumentType
Standard
Pages
14
PublisherName
British Standards Institution
Status
Current
Supersedes

ISO 293:2004 Plastics — Compression moulding of test specimens of thermoplastic materials
ISO 294-3:2002 Plastics Injection moulding of test specimens of thermoplastic materials Part 3: Small plates
ISO 4649:2017 Rubber, vulcanized or thermoplastic — Determination of abrasion resistance using a rotating cylindrical drum device
ISO 291:2008 Plastics Standard atmospheres for conditioning and testing
ISO 294-1:2017 Plastics — Injection moulding of test specimens of thermoplastic materials — Part 1: General principles, and moulding of multipurpose and bar test specimens

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