SBR: Aromatic oil is the best, which improves the tensile strength and elongation, reduces the tensile stress, and has good flexural resistance of the vulcanizate.
BR: Due to the large filling amount of carbon black and the large amount of operating oil, the effect on performance is not significant.
CR: It is best to use aromatic hydrocarbons, followed by naphthenic oil, not paraffin oil.
NBR: Generally, no operating oil is needed, and synthetic plasticizers are often used.
IIR: Use low viscosity oil, naphthenic oil or paraffin oil, not aromatic oil.
EPDM: Aromatic oil is generally not used, paraffin oil and naphthenic oil are mostly used.
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