... Materials and methods We tested samples of rubber IRP-1226 through total immersion in solutions of four chemical reagents of drilling mud. Experiment duration was 360-432 hours. Experimental temperature was from 25 to 85°C. Results The effect of biocides and inhibitors of drill mud on the parameters of elastomer samples was proved. The type of mass change and geometrical dimension of the samples has logarithmic character - intensive growth at first base during the experiment is replaced by the ...

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