BS 2782-4 Method 432B:1976
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Methods of testing plastics. Chemical properties Determination of the acid value of unsaturated polyester resins
Hardcopy , PDF
15-04-1997
English
29-10-1976
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Gives a method of determining the acid value of unsaturated polyester resins. In some cases, notably when free anhydrides are present, a somewhat lower than theoretical acid value is found, due to the formation of acid esters which precipitate and are, therefore, not determined.
| Committee |
PRI/21
|
| DevelopmentNote |
REPLACES METHOD 407B OF BS2782: 1970
|
| DocumentType |
Standard
|
| Pages |
4
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| UNE-EN 2997-003:2012 | Identical |
| BS 5664-2.1(1979) : 1979 | SOLVENTLESS POLYMERISABLE RESINOUS COMPOUNDS USED FOR ELECTRICAL INSULATION - METHODS OF TEST |
| BS 2782-4 Method 432C:1978 | Methods of testing plastics. Chemical properties Determination of hydroxyl value of unsaturated polyester resins |
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