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sklademVydáno: 1979-08-31
BS 2782-6:Method 640A:1979
Methods of testing plastics. Dimensional properties Determination of shrinkage of test specimens in the form of bars of compression moulded thermosetting moulding materials
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| Označení normy: | BS 2782-6:Method 640A:1979 |
| Počet stran: | 8 |
| Vydáno: | 1979-08-31 |
| ISBN: | 0 580 10904 6 |
| Status: | Standard |
Popis
BS 2782-6:Method 640A:1979
This standard BS 2782-6:Method 640A:1979 Methods of testing plastics. Dimensional properties is classified in these ICS categories:
- 83.080.10 Thermosetting materials
This International Standard specifies a method of determining the moulding shrinkage and the shrinkage after heat treatment of thermosetting moulding materials.
These characteristics are useful for the production control of thermosetting materials and for checking uniformity of manufacture. Furthermore, knowledge of the initial shrinkage of thermosetting materials is important for the construction of compression moulds, and that of post-shrinkage for establishing the suitability of the moulding material for the manufacture of moulded pieces with accurate dimensions.