Abstract
Most of this book is concerned with tests on vulcanized (or thermoplastic) rubber which is the state in which the consumer receives the product. The consumer is generally only interested in the properties of the finished product whereas the supplier is also concerned about the properties of the raw and compounded rubber. His interest is in the control of his raw materials as regards their processing qualities and the likelihood of them producing satisfactory mouldings, extrusions, etc. Consequently, processibility tests are of immediate concern in the rubber factory and great emphasis has been placed on the development of methods and apparatus which provide reliable, and also very rapid, quality control data. The behaviour of rubbers during processing is complicated and has proved difficult to predict in many cases. Materials frequently manage to exhibit a processing quirk which does not show up in laboratory tests. Thus, there is continuing effort to develop tests which more realistically predict processing behaviour. As evidence of the effort being applied there are more technical papers published in this field than on any other subject covered in this book.
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© 1996 R. P. Brown
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Brown, R.P. (1996). Tests on unvulcanized rubbers. In: Physical Testing of Rubber. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-0529-3_6
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