Abstract:In practical rubber processing the compounds will be subjectedto high shear rates. Hence in order to optimize processing con-ditions and also to guarantee a constant quality of the com-pounds it''s a mus! to lest processibility of rubber compounds inthe shear rate range of practical processing. Processibility ofrubber compounds is predominantly determined by its viscositythat''s balanced by two effects; viscosity of these materials de-creases drastically with increasing shear rate (pseudoplasticity)hut increases markedly with the onset and development of cur-ing. The rheovulkameter has been developped especially to takecare of these effects and allowing to measure easily and fastprocessibility of rubber compounds under conditions of practicalprocessing. It can be used like a capillary rheometer hut like aninjection molding tester as weil. Rheovulkameter tests given in-formation about both: j/owing (Rheo-) and curing (Vulkameter)of rubber compounds and other curing systems, too. 橡膠毛細管流變儀RCR
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