Diagnostic Instrumentation Technical Data

How much Vibrator do you need?

Using the following formulas, you can determine how much vibration will be sufficient. Remember, the goal is to provide just enough vibration to do the job. Excessive vibration can cause excessive wear on surrounding systems.

Linear MotionCircular Motion

1. LINEAR MOTION (CONTRA-ROTATING TWIN VIBRATORS)

Vibrators with their axes in the same plane and wired to contra-rotate will produce a linear motion at right angle to the vibrator axes. Amplitudes are given by the formulas below.

2. CIRCULAR MOTION (SINGLE VIBRATOR)

True circular motion is only obtained when the center of the vibrator coincides with the center of gravity of the structure. When vibrators are fixed in non-center of gravity positions, the motion will be in the form of an ellipse which varies at different points on the structure. Amplitudes given by the formulas below are an average value suitable as an approximation.

Please select a formula from these choices:

AMPLITUDE FORMULA

For 864 CPM, App.
0.0945 x CF/LOAD
For 1152 CPM, App.
0.0530 x CF/LOAD
For 1728 CPM, App.
0.0236 x CF/LOAD
For 3456 CPM, App.
0.0059 x CF/LOAD
cf*/14.2 x (CPM/1000)2 x LOAD
Any Frequency, App.
Use CF at required frequency i.e.
CF = CF at max. freq. x (Required Freq/max. vibrator freq.)2
In no case should amplitudes exceed the following values:
Speed
App.
864 CPM...1152 CPM...1728 CPM...3456 CPM
1.42"........0.795"..........0.354".........0.088"
Any Frequency
1.06(1000/CPM)2

CENTRIFUGAL FORCE REQUIRED

If the frequency of vibration, load, and amplitude required are known, the centrifugal force required can be calculated from the following:

For 864 CPM, CF
App. x LOAD/0.0945
For 1152 CPM, CF
App. x LOAD/0.0530
For 1728 CPM, CF
App. x LOAD/0.0236
For 3456 CPM,CF
App. x LOAD/0.0059
Any Frequency, CF
App. x 14.2 x (CPM/1000)2LOAD

POWER REQUIREMENTS

The power required from a vibrator depends on the nature of the application and the degree of damping present. It can be shown that for any application there is a peak power requirement when damping is at an optimum level. The power required then is:

For Linear vibration, Watts max.
App. x CF x CPM/676
For Circular vibration, Watts max.
App. x CF x CPM/338

In most applications the power required can be taken as one-fifth of the above values since damping rarely reaches an excessive level. If the vibrator current is found to be too high, the out-of-balance weights should be set back until it reaches an acceptable figure.

VIBRATOR ISOLATION

When using vibrator(s) on vibratory equipment, it is necessary to allow freedom of movement and also to prevent unwanted damaging vibrations being transmitted to surrounding equipment and steelwork. Generally, 95% isolation is satisfactory and will be obtained using the resilient mountings having the following static deflections under the weight of the structure, load, and vibrator(s):

For 864 CPM
d = 0.990"
For 1152 CPM
0.557"
For 1728 CPM
d = 0.248"
For 3456 CPM
d = 0.062"
For other values of deflection and frequencies isolation %
100 - 100/(d x 25.4)(CPM/950)2 - 1
Total transmitted force is given by
P Trans = (100 - isolation %) / 100 x CF

WORKING MOMENT

The working moment values given in the tables are twice the working moment used to calculate the centrifugal force and are used as another method for calculating the amplitude peak to peak from:
App. = Working moment/LOAD
Also, Working moment required
App. x LOAD

NOTATION

App. = Amplitude peak to peak (inches)
CF = Total Centrifugal Force (pounds)
CPM = Frequency of Vibration (cycles per minute)
LOAD = Total weight of structure, vibrator(s), and any loading (pounds)

Bulk Weight Density Table

Bulk Weight Density - Pounds / Cubic Foot

Material Cubic Weight   Material Cubic Weight   Material Cubic Weight
Abrasive 150   Asbestos Powder 28   Cellulose Gum 27
Abrasive Compound 148   Asbestos Shorts 26   Cement 85
Abrasive Mix 153   Ascorbic Acid (Coarse) 45   Cement Dust 50
Abrasive Wheel Mix 150   Ascorbic Acid (Fine) 32   Cement (Portland) 94
AC Teat Dust 60   Ashes-dry 38   Cement (Root Canal) 67
Accelerator 31   Atrazine (Herbicide) 30   Cement (C-10 Sealing) 56
Acetate 35   Attapulgite 40   Ceramic Compound 85
Acetate Flakes 21   Attasorb 18   Ceramitalc 54
Acrawax "C" 32   Atticote 22   Cereal (Amerikor A-52) 12
Acrawax 15   Barbasco Root 33   Cereal Mix 43
Acrawax & Carbon Black 34   Barites 120   Cenum Oxide 62
Acrylic Fibers 9   Barium Carbonate 55   Charcoal (Powder) 24
Acrylic Concentrate Pellets (1/8") 38   Barium Oxide 63   Chemco Burnishing Compound 35
Acrylic Pellets (1/8") 38   Barium Stearate 13   Chickory 34
Acrylic Resin 32   Barium Sulphate 60   Chickory (Powder) 30
Activated Aluminum 15   Bauxite 45   Chili Spice 45
Activated Carbon 20   Bauxite crushed 75-85   Chlorine Compound 28
Adipic Acid 40   Bentonite 50   Chlorine (Powder) 36
Aero-Cil 8   Bentonite (Coarse) 60   Chocolate Drink Mix 26
Agricultural Lime 68   Bicarbonate of Soda 62   Chopped TFE Cones 46
Alcanol 39   Biscuit Pre-Mix 60   Chopped Hose (Cheerios) 50
Alfalfa 45   Binder Starch 41   Chromic Acid Powder 100
Alodine No. 41 92   Binder (T-Gel) 31   Cinnamon Powder 35
Alodine 12005 79   Binder 812 41   Citric Acid 48
Alum 50   Bisphenol 37   Clay 50
Alum.Oxide 120   Bisphenol Flake 60   Clay (Bentonite) 50
Alum/Pigment Mix 30   Black Coloring 30   Clay (Calcined) 30
Alumina 40   Bleach Compound 60   Clay (Fine) 62
Alumina, Activated 48   Blue Dye 40   Clay (Fines) 70
Alumina, Alcan 46   Blue Powder, Metal 142   Clay (Georgia) 65
Alumina, Calcined 63   Bone (Ground) 40   Clay (Granite) 32
Alumina, Corhart 83   Bone Meal 38   Clay (Helium) 36
Alumina, FAH-KDH 45   Borax 60   Clay (Kaolin) 48
Alumina, Hydrate 68   Borax (Granular) 60   Clay P2 48
Alumina, Kyanite 77   Borax (Puffed) 12   Clay & Petro Ag 55
Alumina & Lime Mix 65   Boric Acid 54   Clay product 33
Alumina, Metal Grade 67   Brake Lining Compound 30   Clay (Pure) 60
Alumina Powder 18   Bran 35   Clay (Super White) 30
Alumina, Precipitator Dust 54   Brass Powder 100   Clay (Talc) 52
Alumina, Reacted 65   Bread Chucks 10   Clay-Talc-Flint 62
Alumina, Sandy 60   Bread Crumbs 6   Clearon Powder 40
Alumina, Tabular Dust 21   Bromo Seltzer 38   Clinker Dust 94
Aluminum Benzoate 11   Bronze Powder 78   CMC Powder 52
Aluminum Chlorhydrate 55   Brown Gravy Mix 38   Coagulant 36
Aluminum Chloride 51   Cab-O-Sil 2   Coal (Granules) 52
Aluminum Dross 81   Cake Mix 44   Coal (Pulverized) 38
Aluminum Etchant 55   Calcium 30   Cial Bituminous 52
Aluminum Filament 200X 75   Calcium Borate 61   Coal Dust 35
Aluminum Flake 150   Calcium Carbide 62   Coal Powder 40
Aluminum Fluoride 55   Calcium Carbonate 44   Coal (Powder MRD) 41
Aluminum Magnesium Silicate 21   Calcium Chloride 60   Coal (Powdered SRC) 39
Aluminum Oxide 80   Calcium Chloro Fluoro Phosphate 53   Coaltrol M 42
Aluminum Oxide, Calcined 33   Calcium Fluoride 102   Cobalt Carbonate 60
Aluminum Powder 44   Calcium Hydroxide 40   Cobalt Fines 256
Aluminum Silicate 33   Calcium Phosphate 48   Cobalt Oxide 10% Moisture 114
Aluminum Silicate (Catalyst) 53   Calcium Silicate 10   Cocoa 35
Aluminum Sulfate 65   Calcium Stearate 20   Cocoa Flavoring 55
Aluminum Sulphate, Ground 50   Calcium Sulfate 45   Coconut Chips 38
Aluminum Trihydrate 45   Car Rug Stock 46   Coffee (Beans) 24
Aluminum Wire, Chopped 35   Carbide powder 250   Coffee (Flavoring) 28
Ammonium Bromide 76   Carbofrax (C-4) 100   Coffee (Instant) 19
Ammonium Chloride 38   Carbon, Activated 17   Coke 38
Ammonium Nitrate 49   Carbon (Pelletized) 42   Coke (Granules) 52
Ammonium Nitrate Prills 38   Carbon Black 35   Coke (Powdered) 8
Ammonium Perchloride 62   Carbon Black Mix 77   Coke, Calcined (Fines) 59
Ammonium Phosphate 55   Carbon Black & Graphite 45   Coke, Calcined (Coarse) 56
Ammonium Sulfate 69   Carbon Black (Beads) 19   Coke, Calcined (Intermediate) 59
Amorphous Silica 11   Carbon Black (Nuchar) 11   Coke Dust 15
Anthracite, Powdered 35   Carbon Black (Pelletized) 22   Coke Fines 39
Antimony Oxide 44   Carbon Crystalized 58   Coke, Petroleum CRS 393 48
Antioxidant(Granules) 41   Carbon Granules 59   Coke, Pulverized 45
Antioxidant(Powder) 28   Carbon Dust 38   Colemanite 57
Apple, Dry 33.1   Carbon-Teflon Mix 32   Colloidal Lime 49
Apple Fresh 48.1   Carbon Flour 57   Collupulin 19
Apple, Golden 52.62   Carbon Lampblack 8   Concrete-mix 125-150
Apple Granny 52.25   Carbon Masterbatch 41   Cookie Meal 38
Apple Green 49.31   Casein 36   Copolymer Beads 41
Apple Red 52.43   Casting Mix 150   Copolymer Flake 23
Apple whole Red delicious 52.5   Catalyst, Bead 50   Copper (Fines) 101
Apricot 38.01   Catalyst, Synthetic 39   Copper, Flotation 35
Apricot,Dry 82.4   Catalyst, Zeolitic 45   Copper Hydroxide 25
Avocado 66.17   Caustic Potash, Bead 65   Copper Pellets (1 32") 240
Apple Slices, Dried 15   Caustic Soda 31   Copper Sulfate 52
Aquafloc 10   Celaflock 11   Copper Phosphorous Pellets (1 8") 265
Aqua Nuchar 10   Celaton FP4 14   Corn Flour 51
Arasan 25   Celcon Flake 23   Corn (Grits) 53
Arizona Road Dust 54   Celcon Pellets 50   Corn Mash 45
Arsenic Trioxide 41   Celite 10   Corn Meal 40
Asbestos 22   Celite 535 10   Corn Starch 42
Asbestos Fiber (Long) 16   Cellflo 12   Cotton Seed Flour 56
Asbestos Fiber (Short) 19   Cellulose Acetate 10   Cryolite 86
Asbestos Fiber 20   Cellulose Denvative 45   Crystal Flo 67
Asbestos Fiber 7R 15   Cellulose Floc 22   Cupric Oxide 110
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Detergent (Flake) 32   Fiberglass 22   Fungicide 26
Detergent (Powder) 38   Fiberglass (1/8" Lg Chopped Strand) 20   Garbage 30
Davis 888 Black 38   Fiberglass (1/4" Lg Chopped Strand) 18   Garlic (Flakes) 22
Dental Plaster 42   Fiberglass (1/2" Lg Chopped Strand) 17   Garlic (Powder) 20
Dextrose 36   Fiberglass Pellet Blend 22   Gelatin 45
Diammonium Phosphate 50   Fiberglass Powder Blend 30   Geon Resin 22
Diatomaceous Earth 16   Filter Cake (Centifuge) 40   Gilsonite Fines 49
Diatomaceous Earth (Calcined) 10   Filter-Cel 9   Glass (Frit) 144
Diatomaceous Earth (Celite) 15   Filtrol 30   Glass (Ground) 103
Diatomaceous Earth (Dicalite) 11   Filtrol Clay Grade 105 50   Glass (Powder) 103
Diatomaceous Earth (Fibra-Flo) 15   Fine Powder 127   Glass Batch Material 90
Diatomaceous Earth (Filtrol) 14   Fire Soot 64   Glass Batch Mix 87
Diatomaceous Earth (Hi-Flo Supercel) 12   Fireclay 72   Glass Beads 100
Diatomaceous Earth (Microcel) 9-12   Firemate 24   Glass Microspheres 62
Diatomaceous Earth (Perlite) 5   Fish Meal 47   Glitter Flakes 32
Diatomaceous Earth (Supercel) 10   Flame Retardant 38   Glycerine Green Catalyst 42
Diatomaceous Earth Product 14   Flax seed 45   Glue 53
Diatomite 14   Flint 97   Gold Powder 53
Dicalite 12   Flint pebbles 105   Goulac 30
Dielectric Compound 45   Floc 13   Graham Cracker Crust 15
Dog Food Blend 54   Floc (Solka) 9   Grain 36
Dog Food Mixture 36   Flour 48   Granite lumps 96
Dolomite 54   Flour (Barley) 38   Granodine 663 68
Dolomite Lime 46   Flour (Barley Malt) 45   Granular Material 48
Donut Mix 40   Flour (Corn) 39   Granulated Polyurethane 22
Dough Mix 37   Flour (Rye) 42   Graphite 48
Drug Additive 56   Flour (Soy) 44   Graphite (Flakes) 42
Dry Mix 41   Flour (Soya) 40   Graphite (Granules) 68
Duramite (Calcium Carb.) 58   Flour (Wheat) 42   Graphite (Powder) 35
Dye (Fabric) 25   Flue Dust 54   Graphite (Pulverized) 22
Dye (Food) 40   Fluespar 105   Graphite (Scrap) 59
Earth, Mud 110   Fluorelent Powder 35   Glass Fibre 8
Eggs (Powdered) 22   Fluorescent Powder 68   Gravel 110
Egg Yoke Powder 23   Fluorescent Powder (Moist) 84   Gravel mixed 96-100
Electrolyte 60   Fluoride Compound 42   Green Powder 57
Epoxy Molding Preblend 50   Fluorite 78   Grinding Compound 99
Epoxy Powder 49   Flux 145   Ground Bone 50
Explosive Compound 36   Flux Fines 100   Grout 70
Extrude Regrind 39   Fly Ash 65   Gum Base 42
Fab 20   Foods Coloring 39   Gum Granules 36
Fanna 45   Foundry Additive Mixture 80   Gum Resin 32
Feathers - Ground 15   Foundry premix 40   Gypsum 54
Feldspar 62   Frodex 24 38   Gypsum (Calcined) 55
Fermate 15   Frosting Mix 38   Gypsum (Ground) 42
Ferric Chloride 43   Fuel Additives 30   Gypsum lumps 90-95
Ferric Sulfate 61   Fuel Treatment 40   Gypsum Stucco 50
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Halon 22   Ilmenite 35   Iron Powder 175
Hash Spice 66   Inhibitor Compound 44   Iron Sulfate 80
Hell Blue Dye 19   Insecticide 30   Isophthalic Acid 46
Hexahicel 32   Iodized Mixture 18   Kaolin 49
Hexa-Melamine 33   Ional 49   Kaolin Clay 50
Hexamine 42   Irganox 17   Karaya Gum 45
Hexa-Silene 30   Iron Chromite 114   Ken-L-Biskit 30
Hisil 11   Iron Filings 180   Ken-L-Meal 33
Hydraflake 36   Iron Ore 162   Kiln Feed Mix 73
Hydrocarbon Compound 36   Iron ore loose 125-150   Kix Mixture 48
Hydraflake 36   Iron Oxide 80   Kohinor 49
Hydrocide 90   Iron Oxide (Black) 161   Kralex Powder 42
Hyvar X (Herbicide) 25   Iron Oxide (Red) 69      
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Lamisay Flour 34   Malt Powder 41   Mustard Powdered 16
Lampblack 44   Malted Barley Flour 40   Mustard Spice A 50
Latex Powder 89   Malted Wheat Flour 41   Mustard Spice B 45
Latikia 35   Maltrin Maltodestrin 48   Multiclone Dust 75
Lead Arsenate 90   Manganese Dioxide 70   Myverol 40
Lead Carbonate 81   Manganese Ore 110   Naphthalene Flakes 36
Lead Chloride Crystals 72   Mannitol 38   Natrosol 28
Lead ore 465   Manzate 35   Neutral Granules 24
Lead Oxide 63   Marasperse 25   News Print & Sawdust 2
Lead Stabilizer 43   Marble (Granular) 80   Nickel 60
Licorice Powder 28   Marble (Ground) 93   Nickel Ore Dust 60
Ligno Sulfinate 30   Meat Tenderizer 35   Nickel Oxide 28
Lignone 36   Melamine 45   Nickel Powder 75
Lignosol 24   Melamine Powder 32   Nitrate of Soda 85
Lime 35   Metallic Flakes 35   Nitro-Carbo-Nitrate 66
Lime (Colloidal) 42   Metallic Powder 165   Nodule Dust, Coke 53
Lime (Dolomitic) 42   Metasol 38   Nopco Feed Supplement 40
Lime (Granular) 80   Metallic Baghouse Dust 70   NVX 26
Lime (Hydrated) 40   Methocel 26   Nuchar 12
Lime (Quick) 55   Mica (Flakes) 10   Nuts (Almonds) 29
Lime (Pebble) 45   Mica (Powder) 41   Nuts (Cashews) 31
Lime (Pulverized Quick) 60   Mica Soapstone 47   Nuts (Peanuts) 33
Lime, Rock Dust 82   Microcel 28   Nylon Fibers 10
Limestone 60   Milk (Non-Fat Dry) 35   Nylon Flakes 32
Limestone (Ground) 59   Milk (Powdered) 13   Nylon pellets (1/8") 35
Limestone (Pulverized) 68   Milk (Powdered Whole) 35   Nylon Powder 39
Limestone Dust 69   Milk (Whole) 32   Oats 27
Limestone Filler 63   Milltown 35   Oat Flour 33
Limestone Flour 69   Mineral Oxide 35   Oats (Ground) 29
Litharge 182   Mineral Core Dust 15   Onions (Chopped) 14
Magnesia 78   Mira-Flo 10   Onions (Minced) 8
Magnesite 27   Mold Inhibitor 40   Onions (Powdered) 25
Magnesite Light 40   Molding Compound 42   Opalon PVC 30
Magnesium Carbonate 12   Molding Powder 42   Opalon Pellets (1/4") 33
Magnesium Chloride 12   Molding Sand 75   Opti White Pigment 47
Magnesium Chips 60   Monosodium Phosphate 55   Orzan 29
Magnesium Oxide 65   Molybdenum Disulfide 44   Orlon, Polymer, Powder 30
Magnesium Silicate 58   Molybdenum Oxide 98   Oxpyridmidine 23
Magnesium Stearate 21   Molybdic Oxide 16   Oxalic Acid 52
Magnesium Sulfate 52   Mud 100   Oxychloride 36
Magnesium Hydroxide 39   Mushroom Particles (Dry) 51   Oyster Shell 60
Magnetite 165   Mustard Compound 21      
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Paint Float 600 40   Polystyrene Beads (1/16") 0   Sawdust (Moist) 28
Paper Dust 5   Polystyrene Pellets 40   Seal Coal 32
Paper pulp 60   Polystyrene Pellets (1/8") 38   Seasoning Blend 30
Paper Sequins 15   Polystyrene Powder 33   Seed (Grass) 44
Paraformaldehyde 40   Polystyrene Scrap 31   Selenium Powder 62
Parsley Flakes 3   Polyurethane Pellets (1/8") 45   Separan Fine 48
Parzate 19   Polyvinyl Acetate 39   Shellac Resin 81
Paste Resin 31   Polyvinyl Alcohol 39   Silene 15
Peanut Brittle 36   Polyvinyl Chloride 41   Silene & Zinc Stearate 15
Peanut Meal 28   Polyvinyl Chloride (Pellets 1/8") 39   Silflo, Filter Aid 10
Peanuts 40   Polyvinyl Chloride (Regrind) 18   Silica Cubes 45
Peanuts (Spanish) 43   Pork Spice 72   Silica Flour 80
Peat Moss 10   Potassium Bromide (5% Moisture) 114   Silica Gel 42
Penford Gum Starch 38   Potassium Carbonate (Potash) 74   Silica Gel, Sorbead 55
Penicillin Compound 22   Potash 1-1/2x1/2 70   Silica Sand 81
Pentaerythritol 44   Potassium Chloride 60   Silicon Carbide 45
Pentarythritol 50   Potassium Iodate 129   Silicon Dioxide 3
Peppermint 32   Potassium Muriate 68   Silver (Powder) 69
Peppermint Powder 34   Potassium Sulfate 90   Slate, Crushed 100
Peppers (Chopped) 21   Potatoes (Flakes) 13   SMA 35
Peppers (Whole) 16   Potatoes (Powdered) 48   SMA Pellets 42
Perlite 15   Potting Soil 16   Soap Flakes 29
Perlite Filter Aid 8   Poultry Meal 39   Soap Powder 36
Perlite Ore 65   Powdered Sugar 35   Soapstone 47
Petro-Ag (Granular) 43   Pre-Mix 35   Soda Ash 54
Petro-Ag (Powder) 40   Precipitator Dust 46   Soda Ash-Iron Chromite 77
Petroleum Coke 55   Propellant (Solid Dry) 48   Sodium Bicarbonate 50
Petroeum Coke Dust 25   Protein Supplement 34   Sodium Aluminate 61
Pharmaceutical Mix 31   Prussian Blue 36   Sodium Borate 77
Pharmaceutical Lubricant 9   Protein Blend 44   Sodium Chloride 83
Phenobac 30   Pumice Powder 39   Sodium Hydrosulfate 70
Phenofil 30   Purezaust Pellets 50   Sodium Hydroxide 60
Phenol Formaldehyde 30   PVC Chips 54   Sodium Hydrosulphate 73
Phenolic Powder 32   PVC Resin 32   Sodium Hydrosulphite 73
Phosphate 80   Pynte Cinders 124   Sodium Benzoate 47
Phosphate Rock Crushed 69   Q-Cel 12   Sodium Bisulphate 90
Phosphate Rock Dust 90   Rag (Chopped) 8   Sodium Caseinate 21
Phosphate Rock Ground 70   Raisins (Moist) 38   Sodium Chloride 80
Phosphate Tri-Calcium 68   Records (Ground Plastics) 41   Sodium Metasilicate 70
Phosphate Rock Powder 90   Red Color Concentrate 32   Sodium Naptholine Sulph. 27
Phosphorous Penta Sulfide 75   Red Lead 165   Sodium Nitrate 84
Phosphorous Pentoxide 40   Red Oxide Pigment 72   Sodium Perborate 53
Phthalic Anhydride 52   Refractory Mix 96   Sodium Phosphate VNX 80
Pie Crust Mix 35   Resin, Synthetic H.D. 34   Sodium Phospho Aluminate 68
Pigment 9   Resin-Luron 40   Sodium Pyrophosphate 63
Pitch 37   Resimene 35   Sodium Silicate 32
Plaster of Paris 49   Resin Binder 35   Sodium Sulfate 85
Plastic (Beads) 46   Resinous Polymer 22   Sodium Sulfite 102
Plastic (Chopped 1/4") 38   Rice & Vitamin Mix 48   Sodium Thiosulfate 55
Plastic (Cubes) 38   Rice, Cream & W/Vitamins 48   Sodium Tripolyphosphate 60
Plastic (Flakes) Large 19   Rice 45   Somagen Sol 19
Plastic (Flakes) Small 34   Rice Bran 26   Soybean Flakes 36
Plastic (Flakes) 48   Rice (Puffed) 6   Soybean Hulls 25
Plastic (Flakes) 3/8" 48   Rock Salt 68   Soybean Meal 40
Plastic (Pellets) 45   Rolaids (Mix Powder) 65   Spice (Barbecue) 30
Plastic material Coloring 35   Rouge Compound 58   Spice Blend 36
Plastic Spheres 1/16" 43   Rubber Composition Powder 34   Sponge Iron 150
Plastic Powder 42   Rubber Compound 38   Stabilizer 71
Plastic Powder (A) 41   Rubber Crumb 22   Stabilizer (Food) 54
Plastic Powder (B) 26   Rubber Foam (Chopped) 3   Stabilizer (Plastic) 67
Plastic Resin 40   Rubber (Granules) 28   Starch (Corn) 43
Plastic Scrap 7/8" Flakes 40   Rubber Pellets (Irregular) 29   Starch (Granular) 46
Polycarbonate Resin 44   Rubber Powder 33   Starch (Powder) 40
Polyester Adhesive Powder 30   Rutile & Coke 91   Starch-Industrial Binder 43
Polyester Cubes 47   Sage Leaves 18   Starch-Mile 39
Polyester Film Fragments 6   Salt, Fine Table 86   Sta-Nut 53
Polyester Flakes 27   Salt cake 65-95   Stearic Acid (Flakes) 32
Polyester Resin 34   Salt, Clay 38   Stearic Acid (Powder) 36
Polyethylene 43   Salt, Granulated 80   Stearate Blend 41
Polyethylene Beads 42   Salt (Flake) 42   Steel Powder 150
Polyethylene Film 8   Salt (Flour) 64   Steel Grit 225
Polyethylene Flakes 6   Salt and Myverol 54   Stone-Dust 90
Polyethylene Granular 30   Sand 99   Styrene Beads 45
Polyethylene Pellets (1/8") 36   Sand (Dry) 110   Sucrose 53
Polyethylene Pellets 35   Sand (Fine) 125   Sucrose Octoacetate 33
Polyethylene Powder 35   Sand (Moist) 130   Sugar (Dextrose) 39
Polyhedral Alcohol 37   Sand (Molding) 78   Sugar (Granulated) 44
Polymer 20   Sand, Foundry 100   Sugar (Powdered) 35
Polymer Reagent 39   Sand, Foundry, Coarse 96   Sugar (Beet) 50
Polymer Resin 38   Sand, Foundry, Fine 104   Sugar Ind. 46
Polymide Resin 31   Sand, Foundry, NJ Silica 97   Sulphur 45
Polyolefin Pellets (3/32") 21   Sand-Kaolin Mix 53   Sulphur (Granular) 70
Polypropylene 30   Santonox 25   Sulphur lump 75-85
Polypropylene Flakes 22   Saran Powder 35   Sulphur powder 50-55
Polypropylene Pellets (1/8" 32   Sawdust (Coarse) 25   Super Phosphate 70
Polypropylene Powder 33   Sawdust (Fine) 18      
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Talc 35   Uranium (Compound) 191   Water Softener Compound 39
Talcum Powder 55   Uranium Oxide 108   Wax 27
Tantalum Powder 40   Urea 42   Wax (Flake) 50
Tea 27   Urea Formaldehyde 36   Wax (Powder) 38
Tea (Flakes) 24   Urea Prills 45   Wheat (Cut) 46
Tea (Powdered) 27   Urea Molding Powder 45   Wheat Hulls 44
Teflon (Powdered) 29   Urea Powder 39   Wheat Flour 30
Teflon (Fiber) 30   Urethane Foam 18   Wheat Glutten 43
Teflon (Granules) 36   Vanadium Catalyst 40   Wheat Middlings 15
Teflon Pellets (1/8") 60   Vegetable Oil Powder 34   Wheat (Shaved) 34
Terepthalic Acid 30   Vermiculite 62   Whey 35
Thiamine 47   Vicrum 35   White Powder 40
Thionex 30   Vicron 34   Wood chips 8--15
Thorium Oxide 62   Vicron (Limestone) 62   Wood Chips (2"x2"x3") 30
Tide 40   Vinyl Acetate 36   Wood Flour 20
Titanium Dioxide 48   Vinyl Blend 40   Wood Cellulose 18
Titanium Sponge 60   Vinyl Compound 36   Wood Shavings 10
Tobacco (Powdered) 28   Vinyl Chips (Irregular) 20   Yeast 59
Tobacco (Cigarette) 12   Vinyl Pellets (1/8") 36   Zinc Ammonium Chloride 66
Tobacco (Leaves) 6   Vinyl Powder 34   Zinc Carbonate 35
Trap Rock 91   Vinyl Resin 36   Zinc Dust 200
Tricalcium Phosphate 35   Vinyl Copolymer Resin 40   Zinc Hydrosulfite 44
Trichlorocyanuric Acid 50   Vitamin Additive 41   Zink ore  160
Tripolyphosphate 80   Vitamin Enrichment 40   Zinc Oxide 55
Trisodium Phosphate 50   Vitamin Compound 42   Zinc Powder 210
Triplact 12   Vitamin Mix 44   Zinc Skims 65
Tungsten Carbide 250   Vitamin Powder 35   Zinc Stearate 14
Tumaric (Acid Fines) 51   Viton Rubber Crumb 33   Zinc Sulphate 83
Uranium (Granules) 184   Waffle Mix 42   Zirconite 89
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