Calcium Oxide Quicklime CaO Powder, 95% Minimum Purity Industrial Grade for Steelmaking and Chemical Industry
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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
Industrial quicklime enquiries should distinguish the composition requirement from the process activity requirement. This calcium oxide powder, CaO, is white and industrial grade, with a stated minimum purity of 95%.
Use the minimum assay as a composition criterion
Quicklime, unslaked lime and burnt lime are the additional names for this material. The minimum purity provides a starting point for composition review, but it does not describe every impurity relevant to the proposed process.
Ask for a current batch analysis and the method used for the CaO result. Include any additional chemical limits required by your steelmaking or chemical-industry assessment.
Define reactivity through an actual test
A useful activity comparison requires a stated procedure, test conditions and a result for the grade being offered. Request those details before relying on a reactivity description when evaluating process behaviour.
Keep the activity result separate from the minimum assay. Neither a composition threshold nor a descriptive grade name establishes a particular operating outcome without the relevant test evidence.
Describe the industrial requirement before grade approval
Explain the intended material role and the acceptance criteria for the steel or chemical process. Ask for particle, moisture and impurity information that allows the offered powder to be assessed against that requirement.
Review the technical sheet, current analysis and SDS alongside the proposed sample evaluation. A heating-pack qualification or activation recipe should not be assumed from an industrial quicklime enquiry, and any different system would need its own technical assessment.

