Dedust compositions suitable for use as dedust oil for mineral wool applications comprise a) from 95 percent by weight to 99.99 percent by weight of a triacyl glyceride sourced from a plant or animal oil, the triacyl glyceride having an IV of from 45 to 70, a viscosity at 30° C. of from 30 mPa·s to 80 mPa·s, and a Solid Fat Content of 15% w/w or less at 10° C.; and b) from 100 ppm to 2,500 ppm of an antioxidant. The dedust composition exhibits a flash point of at least 280° C. In aspects, the dedust composition is liquid at 23° C. In aspects, the triacyl glyceride is palm super olein.