BS 2782-4:Method 451B:1978
Withdrawn
Methods of testing plastics. Chemical properties Determination of acetone-soluble matter in phenolic moulding materials after moulding
Hardcopy , PDF
English
05-31-1978
08-02-2013
NO CONTENTS SECTION
Describes a gravimetric method for determining amount of matter that can be extracted by acetone, at a temperature near its boiling point, from finely ground samples of mouldings prepared from a phenolic moulding material. Constitutes one means for determining the relative degree of cure of phenolic mouldings made from a given material. Results are only comparative, because the extracted material normally contains substances other than any undercured resin that may be present.
| Committee |
PRI/21
|
| DevelopmentNote |
Supersedes method 401B of BS 2782(1970) & 77/50307 DC. (06/2003) Inactive for the new design. (09/2008)
|
| DocumentType |
Standard
|
| Pages |
8
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| Supersedes |
| Standards | Relationship |
| UNE-EN ISO 18403:2016 | Identical |
| BS 771-2:1980 | Phenolic moulding materials Specification for physical properties of type L2 material |
| BS 2648:1955 | Performance requirements for electrically-heated laboratory drying ovens |
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