Engineering Guide

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Screw Conveyor Engineering Guide

Materials Table

A | B | C | D-G | H-L | M-O | P-R | S | T-Z
Tables are in alphabetical order. Click above to navigate to different sections.
Table keys and explanations are located in the "Material Characteristics" Section.

Material Maximum Particle Size (IN.) Average Weight Per Cu.Ft. Loading H.P. Factor Component Series Abras-
iveness		 Corrosi-
veness		 Flow-
ability		 Note
Paper Pulp, stock 5% 62 30A 0.9 • • • • 9
Paper Pulp, stock 6-15% 60-62 30A 1.2 • • • • 9
Paraffine Cake, broken -1/2 30-45 30A 0.5 A2 I I II  
Peanuts, shelled -1/4 35-45 30A 0.4 A2 I I II 6
Peanuts, unshelled + 1/2 15-24 30A 0.6 B1 I I II 6
Peas, dried -1/2 45-50 45 0.5 A2 I I I 1, 6
Phosphate Acid -100M 60 30A 1.4 A2 I I II  
Phosphate, crushed + 1/2 75-85 30B 1.8 B4 II I II  
Phosphate, granular -1/8 90-100 15 1.7 C4 III I II  
Phosphate of Soda (Disodium Phosphate) -1/8 25-31 30B 0.5 B4 II I II 6
Phosphoprotein (Casein) -1/8 36 30B 1.6 B4 II I II  
Phosphoric Acid (Phosphate Acid) -100M 60 30A 1.4 A2 I I II  
Plaster of Paris (Gypsum) -200M 60-80 30B 0.9 B4 II I III 2
Plumbago (Graphite) • • • • • • • •  
Polyethylene, pellets -1/8 35 30A 0.4 A2 I I II 4, 6
Polystyrene, pellets -I/8 40 30A 0.4 A2 I I II 4, 6
Potash (Muriate of Potash) -1/8 77 15 1.8 D4 III III II  
Potassium Carbonate -1/8 50-80 30B 1.0 B4 II II II  
Potassium Chloride, pellets -1/4 120-130 30B 1.6 B4 II II II  
Potassium Nitrate -1/2 76 30B 1.0 B4 II II I 1
Potassium Nitrate -1/8 80 30A 1.2 D3 I II II 1
Potassium Sulfate -1/8 42-48 30B 1.0 B4 II I III 8
Pumice -1/8 40-45 15 1.6 C4 III I III  
Pyrite, pellets -1/2 120-130 30B 2.0 B4 II I II  
Quartz -1/8 85 15 1.8 C4 III I II  
Quicklime (Lime, unslaked) • • • • • • • •  
Red Lead (Lead Oxide) -100M 150-300 30B 1.0 B4 II I II 2, 5
Rice, hulled or polished -1/8 45-48 45 0.4 A2 I I I  
Rice, rough -1/8 32-36 30A 0.4 A2 I I II 1
Rice Bran -1/8 16-20 30A 0.4 A2 I I II 1, 7
Rice Grits -1/8 42-45 30A 0.4 A2 I I II  
Rubber, ground -1/8 23-50 30A 0.8 A2 I I III  
Rye -1/8 44-48 45 0.4 A2 I I I 1