| Radel Pellets (MPPU) | 47 | 0.753 | 0.12500 | 3.1750 |
| Refractory Batch | 34 | 0.545 | 0.22200 | 5.6388 |
| Refractory Batch | 73 | 1.170 | 0.22200 | 5.6388 |
| Refractory Batch | 75 | 1.202 | 0.00330 | 0.0838 |
| Refractory Batch | 104 | 1.667 | 0.02380 | 0.6045 |
| Refractory Batch | 106 | 1.699 | 0.25000 | 6.3500 |
| Refractory Batch | 107 | 1.715 | 0.00048 | 0.0122 |
| Refractory Batch | 108 | 1.731 | 0.11800 | 2.9972 |
| Refractory Batch | 117 | 1.875 | 0.08330 | 2.1158 |
| Refractory Batch | 120 | 1.923 | 0.00670 | 0.1702 |
| Refractory Batch | 123 | 1.971 | 0.02380 | 0.6045 |
| Refractory Batch | 123 | 1.971 | 0.13000 | 3.3020 |
| Refractory Batch | 126 | 2.019 | 0.08330 | 2.1158 |
| Refractory Batch | 138 | 2.212 | 0.04000 | 1.0160 |
| Refractory Batch | 142 | 2.276 | 0.08330 | 2.1158 |
| Refractory Batch | 155 | 2.484 | 0.08330 | 2.1158 |
| Refractory Brick-Crashed | 106 | 1.699 | 0.37500 | 9.5250 |
| Refractory Powder Mixture | 112 | 1.795 | 0.25000 | 6.3500 |
| Re-Melt | 77 | 1.234 | 0.00330 | 0.0838 |
| Resin ABS | 28 | 0.449 | 0.01110 | 0.2819 |
| Resin | 28 | 0.449 | 0.00970 | 0.2464 |
| Resin (Q10B) | 34 | 0.545 | 0.00330 | 0.0838 |
| Resin Emulsion | 35 | 0.561 | 0.00580 | 0.1473 |
| Resin Powder | 30 | 0.481 | 0.00210 | 0.0533 |
| Rice Crisp | 10 | 0.160 | 0.18700 | 4.7498 |
| Rice (Instant) | 23 | 0.369 | 0.37500 | 9.5250 |
| Rice | 33 | 0.529 | 0.25000 | 6.3500 |
| Rice | 35 | 0.561 | 0.01000 | 0.2540 |
| Rice Tempered/Dried | 45 | 0.721 | 0.18750 | 4.7625 |
| Rice | 49 | 0.785 | 0.37500 | 9.5250 |
| Rice | 50 | 0.801 | 0.18700 | 4.7498 |
| Rice Medium Grain | 50 | 0.801 | 0.37500 | 9.5250 |
| Rice Medium Grain | 52 | 0.833 | 0.12500 | 3.1750 |
| Rice Par Boiled & Dried | 52 | 0.833 | 0.09300 | 2.3622 |
| Rice Italian Round Grain | 56 | 0.897 | 0.12500 | 3.1750 |
| Ricino Oil & Lith Hydroxid | 37 | 0.593 | 0.02380 | 0.6045 |
| Rock Dust - Granite | 61 | 0.978 | 0.00330 | 0.0838 |
| Rock Dust | 62 | 0.994 | 0.00010 | 0.0025 |
| Rock Fines | 84 | 1.346 | 0.01970 | 0.5004 |
| Rock Crushed | 90 | 1.442 | 0.02320 | 0.5893 |
| Roofing Granules | 86 | 1.378 | 0.13300 | 3.3782 |
| Roofing Ganules | 88 | 1.410 | 0.09300 | 2.3622 |
| Roofing Granules | 90 | 1.442 | 0.09300 | 2.3622 |
| Rubber Cylinders | 47 | 0.753 | 0.25000 | 6.3500 |
| Rubber, Ground | 20 | 0.321 | 0.00700 | 0.1778 |
| Rubber, Pellets | 25 | 0.401 | 0.50000 | 12.7000 |
| Rubber, Pellets | 26 | 0.417 | 0.15000 | 3.8100 |
| Rubber, Treated Scrap Tire | 25 | 0.401 | 0.00830 | 0.2108 |
| Ryton | 45 | 0.721 | 0.18750 | 4.7625 |