seed ball
1.The friction behavior, which the pentaerythritol and the rapeseed oi l were used for the base oils, and the T321 for the additive, was investigated w ith the four ball test machine. The scars were observed with the electron micros cope and the elements in the film were analyzed with SEDS. The results had shown that the sensitivity of the pentaerythitol to T321 is more better than the rape seed.
