Calcium Oxide CaO Quicklime White Powder, Purity ≥95%, for Industrial Steelmaking and 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
A useful quicklime comparison separates chemical identity, assay and the meaning of an activity test. This industrial calcium oxide is white CaO powder with stated purity ≥95%, offered for evaluation in steelmaking and chemical-industry applications.
Start with the minimum assay requirement
The ≥95% figure is a lower purity limit rather than an exact sample analysis. Request the proposed material's assay and relevant impurity results, then compare them with the plant's chemical acceptance criteria. Keep the report reference attached to the sample being evaluated.
Give activity wording a defined test basis
Ask what the 420ml designation measures and obtain the procedure, conditions and endpoint before interpreting it. A high-reactivity label alone does not establish a rate or make results from different methods comparable. Review the actual result together with its measurement basis.
Physical grade needs a separate check
Request a particle distribution or sieve report for the offered powder. White appearance does not supply a numerical whiteness value, and the powder description does not set a mesh specification.
Connect the material review to the intended plant
Describe the relevant steelmaking or chemical operation and agree a representative evaluation using current technical and safety documentation. Consider the required chemical and physical properties together rather than selecting solely by the activity designation. No universal operating recipe or process outcome is established here. Retain the agreed criteria and sample identity so any later enquiry can refer to the material actually assessed.
