Keywords: RubberResearch 002.jpg For mixing rubber compounds of definite composition to be used in a study of the physical properties and to check methods of chemical analysis and to develop standards of quality Compounds to be mixed also to determine the effect of various fillers and accelerators and also for the purpose of determining the presence of various chemicals upon analysis of the same National Institute of Standards and Technology National Institute of Standards and Technology PD-USGov-NIST PD-USGov National Bureau of Standards National Institute of Standards and Technology Plastics Rubber industry Dentistry |