SMA Mixes- Add Mineral Filler to Baghouse Dust

Three TPH Average Aggregate Dust is being drawn from 100 TPH of Total Asphalt Mix produced. Mix design calls for 7% Mineral Filler. Baghouse delivery from the air lock typically sags and surges 2% to 4% slowly over several minutes. Notice what happens between 3:00, 3:01, and 3:02.