| Title | Summary | |
| AZoM - Metals, Ceramics, Polymers, Composites, An Engineers Resource(Free) | SummaryPage |
| NIMS Material Database, Japan(Free) | SummaryPage |
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| ChemDB Portal, a chemistry search engine for Deep Web | SummaryPage |
| Database of Published Interatomic Parameters(Free) | SummaryPage |
| KEY TO STEEL(Partly Free) | SummaryPage |
| LiqCryst Online(Partly Free) | SummaryPage |
| NIST Ceramics WebBook(Free) | SummaryPage |
| PoLyInfo (a wide variety of data required in polymeric material design)(Free) | SummaryPage |
| SpringerMaterials (Landolt-Bornstein Handbooks, LB), Gateway of CAS | SummaryPage |
| TPSX Material Properties Database(Free) | SummaryPage |
|
| CAMPUS (Computer Aided Material Preselection by Uniform Standards，free distribution) | SummaryPage |
| CINDAS databases (TPMD + MPMD) | SummaryPage |
| Goodfellow | SummaryPage |
| Materials Properties Locator Database | SummaryPage |
| Materials Science International Services | SummaryPage |
| Prospector plastics database(Partly Free) | SummaryPage |
| Scientific Database | SummaryPage |
| SciGlass | SummaryPage |
|
| Acoustic Material Property Tables, SEA(Free) | SummaryPage |
| Cambridge Structural Database (CSD) | SummaryPage |
| Chemical Compatibility Database, Cole-Parmer(Free) | SummaryPage |
| Chemical Resistance of Coatings(Free) | SummaryPage |
| Chemical Resistance of Resin Materials(Free) | SummaryPage |
| ILL's 3D structure gallery in VRML | SummaryPage |
| Key to Metals | SummaryPage |
| Materials Handbook, Ceramic Industry(Free) | SummaryPage |
| Materials Science International Services | SummaryPage |
| Metal Alloy Properties Database (offered by Principal Metals, Inc.)(Free) | SummaryPage |
| POLYMERIS | SummaryPage |
| Recycled Plastic Products Directory, USA and Canada(Free) | SummaryPage |
| Reference Guide Index for Ceramic Materials(Free) | SummaryPage |
| Solvent Selection DB(Free) | SummaryPage |
| The Plastics Web(Partly Free) | SummaryPage |
| World Wide Composites Search Engine (The largest database of composite industry related web sites on the internet) | SummaryPage |
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