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NBR butyronitrile rubber ring: suitable for use in petroleum department hydraulic oil, glycol system hydraulic oil, diester lubricant, gasoline, water, silicon grease, silicone oil and other media. It is the most widely used and cheapest rubber seal. It is not suitable for polar solvents such as ketone, ozone, nitrohydrocarbon, MEK, and chloroform. General use temperature range for - 40 ~ 120 ℃.
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