Some specially designed polyethers can also be used as grease base oils, suitable for lubrication between rubber and metal, plastic to metal, plastic to plastic, metal to metal materials; Lubricating oil for moving parts in automotive braking systems that come into contact with brake fluid, such as pistons and sealing rings, piston discs and plungers, etc.: These polyethers have the following properties:
(1) Excellent anti-wear performance and good bearing capacity:
(2) Excellent lubricity and adhesion, good compatibility with rubber parts and plastics;
(3) Excellent high-temperature resistance to avoid grease loss during high-temperature operation;
(4) Excellent oxidation stability to prevent oil deterioration at high temperature;
(5) When used in cold areas, it still maintains good lubricating performance and does not solidify at low temperature.
Item | KV (40℃)Cst | KV (100℃)Cst | VI | Pour Point ℃ | Flash Point ℃ | Acid Value mgkoH/g |
Water % |
JDN150 | 150 | 26 | 200 | -40 | 220 | 0.05 | 0.1 |
JDN220 | 220 | 38 | 210 | -35 | 225 | 0.05 | 0.1 |
JDN320 | 320 | 52 | 225 | -35 | 230 | 0.05 | 0.1 |
JDN460 | 460 | 70 | 230 | -35 | 230 | 0.05 | 0.1 |
JDN680 | 680 | 105 | 250 | -30 | 230 | 0.05 | 0.1 |
JDN1000 | 1000 | 150 | 250 | -30 | 230 | 0.05 | 0.1 |