physical property

Density of Plastics

Density (or specific gravity) determines the weight of a molded part and directly impacts shipping cost, buoyancy, and mechanical inertia. Most commodity plastics fall between 0.9 and 1.5 g/cm³; fluoropolymers and heavily filled compounds can exceed 2.0 g/cm³.

Unit: g/cm³Materials ranked: 234Order: lowest first
#MaterialDensity (g/cm³)
1Ceramic SLA Resin
Ceramic-Filled Photopolymer Resin for SLA
1.50-2.50 g/cm³ (as printed)
2SMC/BMC for Automotive
Sheet Molding Compound / Bulk Molding Compound
1.60-1.90 g/cm³
3PET Glass Filled
Polyethylene Terephthalate, Glass Fiber Reinforced
1.50-1.70 g/cm³
4Rigid Unsaturated Polyester
Unsaturated Polyester Resin
1.10-1.30 g/cm³
5Lignin Filler
Lignin, Filler Grade S
1.2-1.4 g/cm³
6rTPU Flexible Black
Recycled Thermoplastic Polyurethane Flexible Black
1.10-1.30 g/cm³
7Aromatic Nylon GF
Aromatic Polyamide/Nylon, Glass Fiber Reinforced
1.20-1.35 g/cm³
8PBT Mineral Filled
Polybutylene Terephthalate, Mineral Filled
1.45-1.60 g/cm³
9Glass-Filled PBT
Polybutylene Terephthalate, Glass Fiber Reinforced
1.45-1.60 g/cm³
10Carbon Fiber PBT
Polybutylene Terephthalate, Carbon Fiber Reinforced
1.40-1.55 g/cm³
11PVC Flexible Cable
Flexible Polyvinyl Chloride for Cable Jacketing
1.20-1.35 g/cm³
12Phenolic Resol Thermoset
Phenolic Resol Resin
1.20-1.35 g/cm³
13Bismaleimide for High Performance
Bismaleimide Resin
1.20-1.35 g/cm³
14Carbon Fiber PPS
Polyphenylene Sulfide, Carbon Fiber Reinforced
1.55-1.70 g/cm³
15PVC Rigid Pipe
Rigid Polyvinyl Chloride for Pipe Applications
1.30-1.45 g/cm³
16CPVC Hot Water Pipe
Chlorinated Polyvinyl Chloride for Hot Water Piping
1.50-1.65 g/cm³
17Phenolic Novolac Thermoset
Phenolic Novolac Resin
1.25-1.40 g/cm³
18Chemical Resistant Vinyl Ester
Vinyl Ester Resin
1.10-1.25 g/cm³
19Alkyd Coating Resin
Alkyd Resin
1.10-1.25 g/cm³
20High Temperature Thermoset Polyimide
Thermoset Polyimide Resin
1.30-1.45 g/cm³
21Flexible Cast Polyurethane
Cast Polyurethane
1.10-1.25 g/cm³
22Silicone RTV Sealant
Room Temperature Vulcanizing Silicone Rubber
1.00-1.15 g/cm³
23Silicone HTV for Molding
High Temperature Vulcanizing Silicone Rubber
1.10-1.25 g/cm³
24PPA Standard
Polyphthalamide Standard
1.25-1.35 g/cm³
25PC/ABS Blend
Polycarbonate / Acrylonitrile Butadiene Styrene Blend
1.15-1.25 g/cm³
26PC/PBT Blend
Polycarbonate / Polybutylene Terephthalate Blend
1.20-1.30 g/cm³
27PPS Mineral Filled
Polyphenylene Sulfide, Mineral Filled
1.50-1.60 g/cm³
28PC/PBT Impact Modified
Polycarbonate / Polybutylene Terephthalate Blend, Impact Modified
1.20-1.30 g/cm³
29Glass-Filled PA12
Polyamide 12, Glass Fiber Reinforced
1.15-1.25 g/cm³
30Glass-Filled PA11
Polyamide 11, Glass Fiber Reinforced
1.15-1.25 g/cm³
31Glass-Filled PA610
Polyamide 610, Glass Fiber Reinforced
1.18-1.28 g/cm³
32Glass-Filled PPA
Polyphthalamide, Glass Fiber Reinforced
1.25-1.35 g/cm³
33Glass-Filled PPO/PPE
Polyphenylene Oxide / Polyphenylene Ether, Glass Fiber Reinforced
1.15-1.25 g/cm³
34Carbon Fiber PPA
Polyphthalamide, Carbon Fiber Reinforced
1.25-1.35 g/cm³
35Standard DGEBA Epoxy
Diglycidyl Ether of Bisphenol A (DGEBA) Epoxy Resin
1.15-1.25 g/cm³
36High Temperature Novolac Epoxy
Epoxy Novolac Resin
1.20-1.30 g/cm³
37Urea-Formaldehyde UV Stable
Urea-Formaldehyde Resin
1.45-1.55 g/cm³
38Melamine-Formaldehyde Hard
Melamine-Formaldehyde Resin
1.50-1.60 g/cm³
39Diallyl Phthalate for Electrical
Diallyl Phthalate Resin
1.25-1.35 g/cm³
40Low Dielectric Cyanate Ester
Cyanate Ester Resin
1.15-1.25 g/cm³
41Furan Resin for Corrosion Resistance
Furan Resin
1.20-1.30 g/cm³
42Allyl Resin for Casting
Allyl Resin
1.15-1.25 g/cm³
43Chitosan Film
Chitosan, Film Grade T
1.40-1.50 g/cm³
44CF-PA Filament
Carbon Fiber Reinforced Polyamide Filament for FDM
1.25-1.35 g/cm³
45GF-PA Filament
Glass Fiber Reinforced Polyamide Filament for FDM
1.20-1.30 g/cm³
46Castable SLA Resin
Castable Photopolymer Resin for SLA
1.15-1.25 g/cm³
47Dental SLA Resin
Biocompatible Photopolymer Resin for Dental Applications (SLA)
1.15-1.25 g/cm³
48High-Temp SLA Resin
High-Temperature Photopolymer Resin for SLA
1.15-1.25 g/cm³
49Styrenic Block Copolymer Commodity
Styrenic Block Copolymers for Commodity Applications
0.90-1.00 g/cm³
50PPS GF40
Polyphenylene Sulfide, 40% Glass Fiber Reinforced
1.60-1.70 g/cm³
51PPO/PPE Standard
Polyphenylene Oxide / Polyphenylene Ether Standard
1.05-1.15 g/cm³
52LCP Vectra A
Liquid Crystal Polymer Vectra A
1.35-1.45 g/cm³
53PPA Mineral Filled
Polyphthalamide, Mineral Filled
1.30-1.40 g/cm³
54PPO/PPE Mineral Filled
Polyphenylene Oxide / Polyphenylene Ether, Mineral Filled
1.10-1.20 g/cm³
55Glass-Filled PPS
Polyphenylene Sulfide, Glass Fiber Reinforced
1.60-1.70 g/cm³
56Carbon Fiber PA12
Polyamide 12, Carbon Fiber Reinforced
1.10-1.20 g/cm³
57PVDC Barrier Film
Polyvinylidene Chloride for Barrier Films
1.6-1.7 g/cm³
58Cycloaliphatic Epoxy for Electrical
Cycloaliphatic Epoxy Resin
1.10-1.20 g/cm³
59Casein Bioplastic
Casein, Bioplastic Grade U
1.30-1.40 g/cm³
60Standard SLA Resin
Standard Photopolymer Resin for SLA
1.10-1.20 g/cm³
61Flexible SLA Resin
Flexible Photopolymer Resin for SLA
1.05-1.15 g/cm³
62rPVC Rigid Clear
Recycled Rigid Polyvinyl Chloride Clear
1.30-1.40 g/cm³
63PET Bottle Grade
Polyethylene Terephthalate for Bottle Applications
1.30-1.39 g/cm³
64PET Fiber Grade
Polyethylene Terephthalate for Fiber Applications
1.30-1.39 g/cm³
65CF-PET Filament
Carbon Fiber Reinforced PET Filament for FDM
1.30-1.38 g/cm³
66Tough SLA Resin
Tough Photopolymer Resin for SLA
1.10-1.18 g/cm³
67ABS/PC Blend High Impact
Acrylonitrile Butadiene Styrene / Polycarbonate Blend, High Impact
1.15-1.22 g/cm³
68PC/ABS Impact Modified
Polycarbonate / Acrylonitrile Butadiene Styrene Blend, Impact Modified
1.15-1.22 g/cm³
69EPP Automotive
Expanded Polypropylene for Automotive Applications
0.03-0.1 g/cm³ (foam)
70PET Unfilled
Polyethylene Terephthalate Unfilled
1.33-1.40 g/cm³
71HIPS/PPE Blend
High Impact Polystyrene / Polyphenylene Ether Blend
1.05-1.10 g/cm³
72SMA Standard
Styrene Maleic Anhydride Standard
1.05-1.10 g/cm³
73Impact Modified PBT
Polybutylene Terephthalate, Impact Modified
1.30-1.35 g/cm³
74TPU 95A Filament
Thermoplastic Polyurethane 95A Filament
1.20-1.25 g/cm³
75TPU 85A Filament
Thermoplastic Polyurethane 85A Filament
1.18-1.23 g/cm³
76SLS TPU Powder
Thermoplastic Polyurethane Powder for Selective Laser Sintering
1.18-1.23 g/cm³
77MJF TPU Powder
Thermoplastic Polyurethane Powder for Multi Jet Fusion
1.18-1.23 g/cm³
78PEF Barrier Bottle
Polyethylene Furanoate, Barrier Bottle Grade R
1.35-1.40 g/cm³
79EPS Packaging
Expanded Polystyrene for Packaging
0.015-0.06 g/cm³ (foam)
80EVOH 32 mol% Barrier
Ethylene Vinyl Alcohol Copolymer (32 mol% VA) for Barrier Applications
1.18-1.22 g/cm³
81EVOH 44 mol% Barrier
Ethylene Vinyl Alcohol Copolymer (44 mol% VA) for Barrier Applications
1.18-1.22 g/cm³
82ABS Commodity
Acrylonitrile Butadiene Styrene Commodity Grades
1.04-1.08 g/cm³
83rABS Injection Molding
Recycled Acrylonitrile Butadiene Styrene
1.04-1.08 g/cm³
84ASA UV Resistant
Acrylonitrile Styrene Acrylate UV Resistant
1.04-1.07 g/cm³
85Impact Modified PA610
Polyamide 610, Impact Modified
1.06-1.09 g/cm³
86rPA66 Black
Recycled Polyamide 66 Black
1.13-1.16 g/cm³
87rEVA Flexible Clear
Recycled Ethylene Vinyl Acetate Flexible Clear
0.920-0.950 g/cm³
88PA6 Impact Modified
Polyamide 6, Impact Modified
1.12-1.15 g/cm³
89rPA6 Natural
Recycled Polyamide 6 Natural
1.12-1.15 g/cm³
90rHDPE PCR Natural
Recycled High-Density Polyethylene Post-Consumer Recycled Natural
0.940-0.965 g/cm³
91rHDPE PIR Colored
Recycled High-Density Polyethylene Post-Industrial Recycled Colored
0.940-0.965 g/cm³
92rHDPE PCR Colored (Blue)
Recycled High-Density Polyethylene Post-Consumer Recycled Colored (Blue)
0.940-0.965 g/cm³
93HDPE Injection Molding
High-Density Polyethylene for Injection Molding
0.941-0.965 g/cm³
94HDPE Blow Molding
High-Density Polyethylene for Blow Molding
0.941-0.965 g/cm³
95Bio-PE High Density
Bio-based Polyethylene, High Density
0.941-0.965 g/cm³
96LLDPE Film Grade
Linear Low-Density Polyethylene Film Grade
0.918-0.940 g/cm³
97PA11 Flexible
Polyamide 11 Flexible
1.03-1.05 g/cm³
98PA610 Low Absorption
Polyamide 610 Low Absorption
1.06-1.08 g/cm³
99PBT Standard
Polybutylene Terephthalate Standard
1.30-1.32 g/cm³
100PEI Standard
Polyetherimide Standard
1.27-1.29 g/cm³

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