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Material Name Bulk Density Particle Size
(Tested and conveyed at the Dynamic Air test facilities) lb/cu ft g/cm³ inches millimeters
Paper Pulp - PWT Fiber 17 0.272 0.66670 16.9342
Paper Pulp Fines 21 0.337 0.66670 16.9342
Paper Pulp Pelletized #2 34 0.545 0.50000 12.7000
Paper Pulp Pelletized 37 0.593 0.50000 12.7000
Paper Pulp Pelletized Fine 43 0.689 0.66670 16.9342
Paraffin Wax Prills 31 0.497 0.05560 1.4122
Peanuts Roasted Halves 28 0.449 0.75000 19.0500
Peanut Parts & Fines Roasted 34 0.545 0.50000 12.7000
Peanut Halves 36 0.577 0.50000 12.7000
Peanuts Roasted Chucks 39 0.625 0.12500 3.1750
Peanuts Raw Splits 39 0.625 0.22200 5.6388
Peanuts - Halves 40 0.641 0.50000 12.7000
Peanuts Raw Whole 41 0.657 0.75000 19.0500
Peanuts Roasted Halves 42 0.673 0.50000 12.7000
Peanut Splits Roasted 42 0.673 0.62500 15.8750
Peanut Chocolate Covered 48 0.769 0.75000 19.0500
Peas Whole 40 0.641 0.25000 6.3500
Pentaerthyritol 38 0.609 0.00750 0.1905
Pentalyn Resin - H/Dilute 39 0.625 0.37520 9.5301
Percarbonate (PC3) 68 1.090 0.00400 0.1016
Periclase/Graphite/Resin 85 1.362 0.00210 0.0533
Perkasil KS4O8 Silica 21 0.337 0.40000 10.1600
Perlite Filter Aid 6 0.096 0.00410 0.1041
Perlite Filter Aid/Expanded 8 0.128 0.00100 0.0254
Perlite - Dicaperl 610 8 0.128 0.00300 0.0762
Perlite 40F 10 0.160 0.00170 0.0432
Perlite+Starch+Cement+Lime 24 0.385 0.00270 0.0686
Perlite (Antonito 79 Ore) 63 1.010 0.06500 1.6510
Pet Food 22 0.353 0.39370 10.0000
Petroleum Coke 49 0.785 0.25000 6.3500
Petroleum Coke 60 0.962 0.55000 13.9700
Petroleum Coke 64 1.026 0.25000 6.3500
Phenolic Resin 28 0.449 0.00160 0.0406
Phenolic Resin 33 0.529 0.00200 0.0508
Phenolic Resin 34 0.545 0.00200 0.0508
Phenolic Resin 36 0.577 0.75000 19.0500
Phenolic Molding Compound 52 0.833 0.12500 3.1750
Phenothiazine Flakes 45 0.721 0.06670 1.6942
Phenothiazine Powder 32 0.513 0.00170 0.0432
Phosphate 72 1.160 0.00330 0.0839
Phosphate Calcined Fines 88 1.410 0.00330 0.0838
Phosphate Concentrate 68 1.090 0.00150 0.0381
Phosphate Concentrate 95 1.522 0.00290 0.0737
Phosphate Shale Dust 72 1.154 0.00330 0.0838
Phosphoric Anhydrite 70 1.122 0.01670 0.4242
Pigment Green 33 0.529 0.00200 0.0508
Pitchers 59 0.946 0.00330 0.0838
Placebo Pellets 52 0.833 0.03937 1.0000
Plastic Celcon Pellets 51 0.817 0.12500 3.1750
Plastic Powder 27 0.433 0.03280 0.8331
Plastic, Pellets 30 0.481 0.12500 3.1750
Plastic, Pellets 32 0.513 0.18750 4.7625
Plastic, Pellets 38 0.610 0.11790 2.9947
Plastic, Pellets 42 0.673 0.18750 4.7625
Plastic, Pellets 46 0.737 0.12500 3.1750
Plastic Resin Blend, Pellet 35 0.561 0.12500 3.1750
Plastic Resin - Brake Lining 65 1.042 0.00330 0.0838
PMC Smallbites - Dog Mixer 24 0.385 0.43300 10.9982
PMIDA (Hamshire) 33 0.529 0.00670 0.1702
Poison Rat (3/32) 38 0.609 0.09000 2.2860
Poison Rat (Crumbles) 40 0.641 0.18750 4.7625
Poison Rat (Mash) 40 0.641 0.01330 0.3378
Poison Rat (3/16) 42 0.673 0.18750 4.7625
Polcarb 42 0.673 0.00500 0.1270
Polenta 43 0.689 0.01000 0.2540
Polyacrylamide 31 0.497 0.05500 1.3970
Polyacrylate 31 0.497 0.01650 0.4191
Polyacrylate 46 0.737 0.01150 0.2921
Polyacrylic Acid Treated 32 0.513 0.01110 0.2819
Polyacrylic Acid 36 0.577 0.01110 0.2819
Polyacrylonitrile Fibers 7 0.112 0.08330 2.1158
Polycarbonate Pellets 42 0.673 0.12500 3.1750
Polyester Bottle Chips 17 0.272 0.50000 12.7000
Polyester Chips 18 0.288 0.60610 15.3949
Polyester Pellets 31 0.497 2.00000 50.8000
Polyester Blend 45 0.721 0.25000 6.3500
Polyester Pellets 47 0.753 0.16000 4.0640
Polyester Pet 47 0.753 0.12500 3.1750
Polyester Pellets 48 0.769 0.12500 3.1750
Polyester Powder 48 0.769 0.00980 0.2489
Polyester Pellets 52 0.833 0.12500 3.1750
Polyester Pet 53 0.849 0.12500 3.1750
Polyester/Calcium (70\30) 53 0.849 0.25000 6.3500
Polyester Resin 60 0.962 0.12500 3.1750
Polyethylene (Microthene) 17 0.272 0.00670 0.1702
Polyethylene Powder 22 0.353 0.01700 0.4318
Polyethylene Linear Lo Density 26 0.417 0.00170 0.0432
Polyethylene Resin 26 0.417 0.01110 0.2819
Polyethylene 27 0.433 0.00290 0.0737
Polyethylene 27 0.433 0.02380 0.6045
Polyethylene Powder 28 0.449 0.00690 0.1753
Polyethylene 29 0.465 0.00980 0.2489
Polyethylene Pellets - H.D 30 0.481 0.12500 3.1750
Polyethylene Pellets 32 0.513 0.12500 3.1750
Polyethylene Beads 33 0.529 0.13300 3.3782
Polyethylene Pellets - L.D 34 0.545 0.12500 3.1750
Polyethylene & Titanium Dioxide 35 0.561 0.12500 3.1750
Polyethylene Beads 36 0.577 0.18700 4.7498
Polyethylene Beads 37 0.593 0.18700 4.7498
Polyethylene Glycol 38 0.609 0.01170 0.2972
Polyethylene Pellets 40 0.641 0.12500 3.1750
Polyethylene Pellets Regrind 45 0.721 0.22200 5.6388
Polyethylene Terephthalate 48 0.769 0.01000 0.2540
Polyethylene Resin 48 0.769 0.12500 3.1750
Polymer 42 0.673 0.00670 0.1702
Polymer Saran 52 0.833 0.00900 0.2286
Polymer Saran 55 0.881 0.00850 0.2159
Polymer Saran 53 0.849 0.00900 0.2286
Polymer Super Absorbent 33 0.529 0.05550 1.4097
Polymer Super Absorbent 37 0.593 0.01580 0.4013
Polymer Super Absorbent 39 0.625 0.04440 1.1278
Polymer Super Absorbent 40 0.641 0.03300 0.8382
Polymer Super Absorbent 41 0.657 0.00980 0.2489
Polymer Super Absorbent 42 0.673 0.01330 0.3378
Polymer Treated 32 0.513 0.01110 0.2819
Polyoxymethylene 51 0.817 0.13100 3.3274
Polypropylene 12 0.192 0.05000 1.2700
Polypropylene 18 0.288 0.05000 1.2700
Polypropylene Additives 21 0.337 0.03780 0.9601
Polypropylene 24 0.385 0.25000 6.3500
Polypropylene Pellets 32 0.513 0.15700 3.9878
Polypropylene Pellets 33 0.529 0.12500 3.1750
Polypropylene Pellets 33 0.529 0.15700 3.9878
Polystyrene 38 0.609 0.01170 0.2972
Polypropylene - Talc Filled 46 0.737 0.12500 3.1750
Polypropylene 62 0.994 0.15600 3.9624
Polypropylene Pellets 64 1.026 0.13300 3.3782
Polystyrene Pellets 23 0.369 0.12500 3.1750
Polystyrene Pellets 39 0.625 0.15700 3.9878
Polystyrene Pellets 40 0.641 0.12500 3.1750
Polyvinyl Alcohol 29 0.465 0.12500 3.1750
Polyvinyl Alcohol 36 0.577 0.00480 0.1219
Polyvinyl Alcohol 40 0.641 0.01670 0.4242
Polyvinyl Alcohol 41 0.657 0.00330 0.0838
Polyvinyl Alcohol 41 0.657 0.09400 2.3876
Polyvinyl Alcohol 43 0.689 0.12500 3.1750
Polyvinyl Chloride 34 0.545 0.00250 0.0635
Polyvinyl Chloride 35 0.561 0.00250 0.0635
Polyvinyl Chloride Pellets 40 0.641 0.18700 4.7498
Polyvinyl Chloride 42 0.673 0.00210 0.0533
Polyvinyl Chloride Powder 42 0.673 0.00410 0.1041
Polyvinylidene Fluoride 62 0.994 0.13100 3.3274
Polywate 102 1.635 0.00060 0.0152
Popcorn 56 0.897 0.19000 4.8260
Porc Mineral 54 0.870 0.00393 0.0998
Porcelet 60 0.960 0.01965 0.4991
Potash 75 1.200 0.03930 0.9982
Potassium Carbonate 81 1.298 0.00970 0.2464
Potassium Chloride/Copper Nitrate 43 0.689 0.00200 0.0508
Potassium Chloride 60 0.962 0.01400 0.3556
Potassium Nitrate 88 1.410 0.00660 0.1676
Potassium Permanganate 87 1.394 0.02000 0.5080
Potassium Permanganate 91 1.458 0.02000 0.5080
Potassium Sulfate Granular 80 1.282 0.12500 3.1750
Potassium Sulfate 88 1.410 0.00660 0.1676
Potassium Sulfate 88 1.410 0.00670 0.1702
Potassium Sulfate Fines 92 1.474 0.01650 0.4191
Potassium Sulfate 93 1.490 0.02670 0.6782
Potato Flakes 39 0.625 0.01100 0.2794
Potato Granules Dehydrated 55 0.881 0.00550 0.1397
Potato Starch 45 0.727 0.00197 0.0499
Poulet 72 1.150 0.00904 0.2296
Pre Mix Sand/Soda Ash 55 0.880 0.01965 0.4991
Premix 72 1.154 0.00100 0.0254
Propylene Beads 8 0.128 0.12500 3.1750
Psyllium Fiber 33 0.529 0.00830 0.2108
Psyllium Fiber 35 0.561 0.00480 0.1219
Psyllium Fiber 39 0.625 0.00950 0.2413
Psyllium Fiber- 43 0.689 0.00830 0.2108
Psyllium Fiber 43 0.689 0.00950 0.2413
Psyllium Fiber 44 0.705 0.00950 0.2413
PVC Powder 24 0.385 0.00500 0.1270
PVC Powder 33 0.529 0.01900 0.4826
PVC Powder 33 0.529 0.01990 0.5055
PVC Powder 36 0.580 0.00605 0.1537
PVC Resin 36 0.577 0.01650 0.4191
PVC Compound 38 0.609 0.00600 0.1524
PVC Dry Blend 38 0.609 0.00830 0.2108
PVC Powder 38 0.609 0.00400 0.1016
PVC Resin 38 0.609 0.00590 0.1499
PVC Polymer 39 0.625 0.00830 0.2108
PVC Pellets 45 0.721 0.12500 3.1750
PVC Powder 45 0.720 0.00059 0.0150
PVC Powder 45 0.720 0.00590 0.1497
PVC Pellets 46 0.737 0.12500 3.1750
PVP Pre-Mix 35 0.561 0.00250 0.0635
Pyrite Concentrate 70 1.122 0.00160 0.0406
Pyrite Coal Mill Rejects 67 1.074 1.50000 38.1000
Pyrophylite Aluminum 47 0.753 0.00400 0.1016
Quartz 36 0.577 0.00330 0.0838
Quartz Mix 109 1.747 0.00660 0.1676
Quebracho 30 0.481 0.00210 0.0533
Quicap 75 1.200 0.00904 0.2296