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ChemicaLogic Corporation, founded in 1995, is a technology and management consulting firm serving the chemical and related industries, and it also develops engineering calculation software. From a developer tools perspective, its most valuable offerings are the SteamTab SDK and a set of Excel-based property calculation add-ins such as SteamTab, MoistAirTab, CO2Tab, and MwCalc, which are used to call thermodynamic and transport property data from engineering spreadsheets or in-house applications.
The SteamTab series focuses on calculating the properties of water and steam. SteamTab uses IAPWS-95; Duo includes both IAPWS-95 and IAPWS-IF97; and Quad further covers NBS/NRC-84 and IFC-67, making it suitable for scenarios where users need to compare or migrate between scientific, industrial, and legacy standards. MoistAirTab provides psychrometric properties for moist air, air, water, steam, and ice; CO2Tab covers the thermodynamic and transport properties of carbon dioxide and includes solubility in water; MwCalc is a molecular weight calculation add-in. The SteamTab SDK is provided as a DLL and can be called from C/C++, FORTRAN, and Visual Basic for internal or commercial application development.
The main text does not provide specific pricing, but it mentions single-user licenses, multi-user environments, and discounted upgrades in several places, indicating that it is closer to a traditional commercial licensing model. Whether trials, maintenance fees, or subscriptions are available is not stated.
Its strengths are its high level of specialization and focus on real engineering use cases such as power plants, utilities, chemical companies, engineering firms, and universities. The Excel add-ins lower the barrier to use, while the SDK supports secondary development. The FAQ provides fairly detailed explanations of differences between IAPWS standards, compatibility, and usage details. The drawbacks are that the website information is clearly dated: the copyright stops at 2018, and compatibility descriptions focus on Excel 2003–2016, Windows 7/XP/Vista, and Mac Excel 2011. There is no visible support for modern cloud APIs, package managers, Linux, newer macOS versions, or detailed SDK documentation. Pricing is also not transparent.
It is better suited to traditional engineering calculations, thermal system performance evaluation, chemical process modeling, and engineers who need to perform property calculations in Excel. If a team needs to embed water and steam property functions into C/C++, FORTRAN, or VB applications, the SteamTab SDK may also be worth considering. It is less appealing to modern Web/API-oriented developers. Access from mainland China cannot be determined from the main text and is marked as unknown.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on chemicalogic.com official site.
chemicalogic.com is an United States Dev Tools provider. TG4G tracks its product information, an overall rating of 6.0/10, and a China-accessibility score of Workable. Click "Visit Official Site" to reach chemicalogic.com directly.