Material Classification

Polyethylene (PE) – used in plastic bags and bottles. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Polymer

Stainless Steel – used in cutlery and surgical tools. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Metal

Alumina (Al{2}O{3}) – used in artificial hip joints and abrasives. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Ceramic

Fiberglass – used in boat hulls and bathtubs. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Composite

Ice (H_{2}O) – solid crystalline water. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Molecular Solid

Silicon – used in computer chips and solar cells. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

NTC

Copper – used in electrical wiring. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Metal

Epoxy Resin – used in adhesives and coatings. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Polymer

Concrete – used in construction. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Composite

Table Sugar (Sucrose). Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Molecular Solid

Polypropylene – used in food containers and car parts. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Polymer

Brass – used in musical instruments. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Metal

Porcelain – used in dishes and insulators. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Ceramic

Plywood – used in furniture. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Composite

Dry Ice (Solid CO_{2}). Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Molecular Solid

Bone – natural structural material. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

NTC

Aluminum – used in cans and aircraft. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Metal

Polystyrene (Styrofoam) – used in packaging. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Polymer

Carbon Fiber Reinforced Polymer (CFRP) – used in race cars. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Composite

Tungsten – used in light bulb filaments. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Metal

Gallium Arsenide (GaAs) – used in high-speed electronics. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

NTC

Tungsten Carbide (WC) – used in cutting tools. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Ceramic

Nitinol – shape memory alloy used in stents. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Metal

Graphene – single atomic layer of carbon. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

NTC

Borosilicate Glass (Pyrex) – used in labware. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Ceramic

Kevlar – used in bulletproof vests. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Polymer

Silicon Carbide (SiC) – used in abrasives and armor. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Ceramic

Metal Matrix Composite (Al/SiC) – used in automotive brakes. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Composite

Conducting Polymer (PEDOT:PSS) – used in flexible electronics. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

NTC

Zirconia (ZrO_{2}) – used in thermal barrier coatings. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Ceramic

Wood – natural plant material. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Composite

Chitin – found in insect exoskeletons. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Polymer

Nacre (Mother of Pearl) – iridescent shell material. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

NTC

Amber. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Polymer

Coral. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Ceramic

Silk. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Polymer

Feathers. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Polymer

Tooth Enamel. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Composite

Spider Silk. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Polymer

Cellulose. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Polymer

Inconcel. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Metal

Soda-Lime Glass. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Ceramic

Polyvinyl Chloride (PVC). Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Polymer

Cermet (WC-Co). Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Composite

Quartz. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Ceramic

Lead-Acid Battery Plate. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Composite

Barium Titanate. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Ceramic

Shape Memory Polymer. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Polymer

Diamond. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

NTC

Asphalt. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Composite

Carbon Nanotubes (CNTs). Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

NTC

Liquid Crystal Polymer (LCP). Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

NTC

Amorphous Metal (Metallic Glass). Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

NTC

Silicon Nitride (Si₃N₄). Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Ceramic

Photoresist. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Polymer

Hydrogel. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Polymer

Graphite. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

NTC

Aerogel. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

NTC

Fullerene (C₆₀). Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Molecular Solid

Metamaterial. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

NTC

Gallium Nitride (GaN). Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

NTC

Indium Tin Oxide (ITO). Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Ceramic

Polyimide. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Polymer

Lithium Niobate. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Ceramic

Polysilicon. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

NTC

YAG (Yttrium Aluminum Garnet). Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Ceramic

FR-4. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Composite

PZT (Lead Zirconate Titanate). Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Ceramic

OLED Material. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

NTC

Solder. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Metal

Titanium Alloy (Ti-6Al-4V). Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Metal

Hydroxyapatite. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Ceramic

Silicone. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Polymer

Bioactive Glass. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Ceramic

Collagen. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Polymer

PMMA (Polymethyl Methacrylate). Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Polymer

Nitinol. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Metal

Alginate. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Polymer

Dacron. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Polymer

Calcium Phosphate Ceramics. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Ceramic

Lithium Cobalt Oxide (LiCoO₂). Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Ceramic

Nafion

Polymer

Cadmium Telluride (CdTe). Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

NTC

Zeolite. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Ceramic

Polyethylene Terephthalate (PET). Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Polymer

Perovskite. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

NTC

Solid Oxide Fuel Cell Electrolyte (YSZ). Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Ceramic

Phase Change Material (e.g., paraffin wax). Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Molecular Solid

Activated Carbon. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

NTC

Wind Turbine Blade Material (glass fiber/epoxy). Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Composite

Melamine. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Polymer

Cast Iron. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Metal

Terracotta. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Ceramic

Linoleum. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Composite

Paraffin Wax. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Molecular Solid

Latex. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Polymer

Chrome-Plated Steel. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Composite

Corian. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Composite

Vitreous Enamel. Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Composite

Mothballs (Naphthalene). Options: Polymer, Metal, Ceramic, Composite, Molecular Solid, Not Traditionally Classifiable (NTC)

Molecular Solid