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Specific gravity of major polymers
Epoxy (Low Density) .75 - 1.00
Methylpentene Polymer (TPX) .83 -
Polypropylene Copolymer .89 - .905
Polypropylene Impact .90 - .91
Polypropylene Unmodified .902 - .906
Polyethylene (Low Density) .91 - .925
Ethylene Vinyl Acetate Copolymer .925 - .95
Potyethytene (Medium Density) .925 - .940
Ethylene Ethyl Acrylate Copolymer .93 -
Ionomers .93 - .96
Styrene Butadiene Thermoplastic .93 - 1.10
Polyethylene High Molecular Weight .94 -
Potyethylene (High Density) .941 - .965
Polyethylene Cross Linkable .95 - 1.4,5
Polypropylene (inert Filler) 1.00 - 1.30
Nylon 12 (Unfilled) 1.01 - 1.02
ABS (High Impact) 1.01 - 1.04
Nylon 11 (Untilled) 1.04 - 1.05
ABS (Medium Impact) 1 .04 - 1.07
Polystyrene (General Purpose) 1.04 - 1.09
Polystyrene (Medium & High Impact) 1.04 - 1.10
Polystyrene Heat & Chemical 1.04 - 1.10
PVC Flexib (Untilled) 1.05 -
ABS High (Heat Resistant) 1.05 - 1 .08
Polypropylene (Glass filler) 1.05 - 1.24
Nyion 6/12 1.06 - 1.08
Potyphenylene Oxides Modified (Noryl) 1.06 - 1.10
Polyphenylene Oxide (PPO) 1.06 -
Styrene Acrylonitrile Copolymer
(Unfilled) (SAN) 1.075 - 1.10
Nyion 6/10 (Unfilled) 1.09 -
Acrylics Multipolymer 1.09 - 1.14
Ethyl Cellulose 1.09 - 1.17
Polycarbonate (ABS Polycabonate Alloy) 1.10 - 120
Acrylic Impact 1.11 - 1.18
Urethane Elastomers 1.11 - 1.25
Nyton 6 (Unfilled) 1.12 - 1.14
Nylon 6/6 (Unfilled) 1.13 - 1.15
ABS Self Extinguishing 1.15 - 1.21
Cellulose Acetate Butyrate 1.15 - 1.22
PVC Flexible (Unfilled) 1.16 - 1.30
Acrylics 1.17 - 1.20
Cellulose Propionate 1.17 - 1.24
Phenoxy 1.18 -
Rubber (Hard) 1.20 -
Polycarbonate (Unfilled) 1.20 -
Polystyrene (20-30% Glass filler) 1.25 - 1.33
Styrene Acrylonitrile Copolymer
(20-33% Glass filler) 1.20 - 1.46
Polyphenylene Oxides Modifed
(Noryl) (20-30% Glass filler) 1.21-1.36
Cellulose Acetate 1.22-1.34
Nylon 12 (Glass filler) 1.23-
ABS (2040% Glass filler) 1.23 -1.36
Polysulfone 1.24 -
Polycarbonate (10-40% Glass filler)1.24 -1.52
Alkyd Polyester Synthetic Fiber 1.24 -2.10
Polycarbonate (Less than 10% Glass filler) 1.25
Nylon 11 (Glass filler) 1.26
Polypropylene Modified Vinyl Chloride 1.28 - 1.58
PVC Flexible (Filled) 1.30 - 1.70
Polyterephtalete 6PRO 1.31
Celanese CDY-246 1.32 -
Nylon 6/12 (Glass filler) 1.32 -1.46
Phenolic Woodflour & Cotton 1.34 - 1.45
PVC (Rigid) 1.35 - 1.45
Polyester Preformed Chopped Roving 1.35 - 2.30
Casein 1.35
Phenolic Macerated Fabric & Cord. 1.36 - 1.43
Nylon 6 (20-40% Glass filler) 1.37 - 1.46
Polyesters (Thermoplastic) 1.37 - 1.38
Chlorinated Polyether 1.40 -
Acetal Copolymer 1.41
Acetal Homopolymer 1.42 -
Polyimides Aromatic 1.43 -
Melamine Cellulose 1.45 - 1.52
Phenolic (Asbestos Filler) 1.45 - 2.00
Melamine Alphacellulose 1.47 - 1.52
Urea Formaldehyde Alpha Cellulose 1.47 - 1.52
Melamine---Formaldehyde (No filler)1,48 -
Polyester (Thermoplastic 18% Glass filler) 1.48 - 1 .50
Melamine (Fabric filler) 1.50 -
Melamine Fabric (Phenolic Modified)1.50 -
Melamine Phenol 1.50 - 1 .70
Polyester Woven Cloth 1.50 - 2.10
Celanex 917 1.52 -
Acetal (20% Glass filler) 1.56 -
Acrylonitrile Copolymer Asbestos 1.57 - 1.65
Sillicones (Asbestos filler) 1.60 - 1.90
Epoxy (Glass fiber filler) 1.60 - 2.00
Epoxy (Mineral filler) 1.60 - 2.00
Alkyd Granular end Putty (Mineral filler) 1.60 - 2.30
Acetal Copolymer (25% Glass filler)1.61
Polyester Premix (Chopped Glass filler) 1.65 - 2.30
Silicones (Glass filler) 1.68 - 2.00
Phenolic (Glass filler) 1.69 - 1.95
