Calcium Oxide Quicklime CaO White Powder ≥95% for Steelmaking and Industrial Chemical Enquiries
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ColorWhitePhysical formPowder
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CAS No.1305-78-8Purity>=95%
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Appearancewhite powderApplicationSteel making & Chemical Industry and so on
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ClassificationCalcium OxideEINECS No.215-138-9
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Grade StandardIndustrial GradeMolecular FormulaCao
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Other NamesQuicklime, Unslaked Lime, Burnt LimeOxide TypeMetal Oxides
Purity and activity answer different questions in a calcium oxide enquiry. This industrial white quicklime powder is identified as CaO with stated purity ≥95%, for steelmaking and chemical-industry evaluation against the requirements of the intended plant.
What does the minimum purity tell you?
The ≥95% value establishes a stated assay threshold. It does not give the exact analysis of a particular sample or define all relevant impurities. Request the proposed material's chemical report and identify the additional limits that matter to the operation.
What evidence defines the activity?
Clarify the quantity described by 420ml, the test conditions and the measurement endpoint. Ask for the full procedure with the actual result. A shared activity designation is not enough to establish equivalence between methods or to predict a universal process response.
Keep physical measurements distinct
White powder is a qualitative description. A mesh grade or numerical whiteness requires its own measurement and method, linked to the actual material being proposed for assessment.
How should the grade be evaluated for the plant?
Provide the steelmaking or chemical application's chemical and physical criteria, and review current technical and safety documentation before a representative evaluation. Compare the same material across the assay, particle and activity reports. Keep the test conditions and observations with the sample reference so a later review can identify what was assessed. No verified high-reactivity ranking, operating recipe or guaranteed plant result is established by the grade description alone.
