ProductSpecific Gravity- SG -

ABS, extrusion grade 1.05ABS, high impact 1.03Acetal, 20% glass 1.55Acetal, copolymer 1.41Acetyl, homopolymer 1.41Acrylic 1.19Alumina 3.4 - 3.6Aluminum min. 2.55Aluminum max. 2.8Aluminum Bronze 7.8Andesite, solid 2.8Antimony 6.69Asbestos, cement board 1.4Asbestos, mill board 1.0Asbestos, shredded 0.3 - 0.4Asbestos, rock 1.6Asphalt 1.1Asphaltum 1.4Azdel 1.19Bakelite, solid 1.4Bark 0.25Barite 4.5Barium 3.62Barium sulfate 4.5Basalt, broken 1.95Basalt solid 3.0Beeswax 0.95Bentonite 2.4Beryllium 1.848Bismuth 9.79Borax min. 1.7Borax min. 1.8Boron 2.32Brass, cast rolled 8.4 - 8.7Brick, common red 1.75Brick, fire clay (firebrick) 2.4Brick, hard 2.0Brickwork, in cement 1.8Brickwork, in mortar 1.6Brickwood, in cement 1.8Brickwood, in mortar 1.6Bronze aluminum 7.7Bronze phosphor 8.88

ProductSpecific Gravity- SG -

Bronze, 7.9 - 14% Sn 7.4 - 8.9Cadmium 8.65Calcium 4.58Calcium carbonate 2.7Carbon, solid 2.1Carbon, powdered 0.08Cement 1.2 - 1.5Cement, Portland (set) 3.1Cerium 6.77Cesium 1.873Chalk 2.3Charcoal, wood 0.4Chromium 7.19Chromium dioxide (Cr203) 5.22Clay min. 1.8Clay max. 2.6Coal, anthracite 1.5Coal, bitumious 1.2Coal, slag 2.7Cobalt 8.71Concrete, ligth 1.4Concrete, stone 2.2Corkboard 0.2Copper 8.89CPVC 1.55Diamond 3.51Dolomite rock 2.9Dysprosium 8.55Earth, dry 1.4Emery 4.0Epoxy 1.8Erbium 9.066Europium 5.244Ferrosilicon - 15% 6.7 - 7.1Fiberboard, ligth 0.24Fiber hardboard 1.1Fiber glass sheet 1.87Flint stones / pebbles 2.4 - 2.6Gadolinium 7.9Gallium 5.91Germanium 5.32German silver 8.58Glass min. 2.4

ProductSpecific Gravity- SG -

Glass max. 2.8Glass beads 2.5Glass crystal min. 2.9Glass crystal max. 3Glass plate min. 2.45Glass plate max. 2.72Gold, 22 carat fine 17.5Gold, pure 19.32Gold, US coin 17.18 - 17.2Granite min. 2.4Graphite 2.07Gypsum, solid 2.8Gypsum, board 0.8Hafnium 13.31Hairfelt 0.1Hematite 5.2Holmium 8.795Hornblende 3Ice (0oC, 32oF) 0.92Ilmenite 4.5- 5.0Indium 7.31Iodine 4.93Iridium min. 21.78Iridium max. 22.42Iron cast min. 7.03Iron cast max. 7.13Iron carbonate 3.9 +Iron slag 2.7Iron wrought min. 7.6Iron wrought max. 7.9Lanthanum 6.17Leather, dry 0.9Limestone min. 2.1Limestone max. 2.86Lead 11.35Lead ore, galena 7.3 - 7.6Lead oxide (yellow) 9.5 - 9.9Leather 0.95Limestone 2.6Lithium 0.53Lutetium 9.84Magnesite 3Magnetite 3.2

ProductSpecific Gravity- SG -

Manganese 7.21 - 7.44Manganese ore, pyrolusite 3.7 - 4.6Magnesium 1.738Marble min. 2.6Marble max. 2.86Masonry 2.4Mercury 13.534Mica 2.7Mineral wool blanket 0.1Molybdenum 10.22Monel metal, rolled 8.97Mortar 1.5Mullite beads 2.8Neodymium 7.00Nickel 8.90Niobium (Columbium) 8.57Nylon 6 Cast 1.16Nylon 6/6, Cast 1.30Nylon 6/6, Extruded 1.14Nylon 60L, Cast 1.16Oak, red 0.7Osmium 22.57Paper 0.9Palladium 12.02Paraffin wax 0.9PET, unfilled 1.36Phenolics 1.38Phosphorus 1.8Plaster, light 0.7Plaster, sand 1.8Plaster of Paris 1.8Plastics, foamed 0.2Plastics, solid 1.2Platinum 21.45Plutonium 19.84Polycarbonate 1.19Polyethylene, HD 0.97Polyethylene, UHMW 0.94Polyethermide 1.27Polyphenylene Sulfide 1.30Polymethylpentene 0.83Polymid, unfilled 1.41Polypropylene 0.91

ProductSpecific Gravity- SG -

Polysulfone 1.25Polyurethane 1.05Porcelain 2.5Potassium 0.86Praseodymium 6.77PTFE (teflon) 2.19PVC 1.39PVDF 1.77Quartz min. 2.5Quartz max. 2.8Quartz sand 7.00Rhenium 21.02Rhodium 12.41Rubidium 1.532Ruthenium 12.45Salt 2.2Samarium 7.52Sand, silica 2.6Sand, Quartz 7.0Sandstone min. 2Sandstone max. 2.6Sawdust 0.15Selenium 4.28Scandium 2.989Serpentine min. 2.7Selenium 4.8Serpentine max. 2.8Sialon 3.26Silica aerogel 0.11Silicon 2.33Silicon carbide 3.1Silicon nitride 3.2Silver 10.50Silver, German 8.58Slate 2.8Soapstone 2.7Sodium 0.968Steatite beads 2.6 - 2.7Steel, 440C stainless 7.7Steel, carbon 7.8Steel, chrome 7.8Steel, cold-drawn 7.83Steel, machine 7.80

ProductSpecific Gravity- SG -

Steel, tool 7.70 - 7.73Strontium 2.64Sulfur 2.0Talc min. 2.6Talc max. 2.8Tantalium 16.69Tar, bituminous 1.2Tellurium min. 6Tellurium max. 6.24Thallium 11.85Thorium 11.7Thulium 9.32Tile 1.8Tin 7.31Tin ore, cassiterite 6.4 - 7.063 Sn & 37 Pb 8.4210 Sn & 90 Pb 10.50Titanium 4.506Titanium dioxide, Anatase 3.77Trap rock 3.0Tungsten 19.22Tungsten carbide 14.29Uranium 18.8Vanadium 5.96Vermiculite 0.13Vinyl ester 1.8Water 1.0White metal 7.3Wood, balsa 0.16Wood, oak 0.7Wood, white pine 0.5Wood, felt 0.3Wood, loose 0.1Wool 1.32Ytterbium 6.97Yttrium 4.47Zinc, cast-rolled 6.9 - 7.2Zinc blend min 3.9Zinc blend max 4.2Zinc min. 6.9Zinc max. 7.2Zirconium 6.506Zirconium silicate 3.85