Calcium Oxide CaO Industrial White Quicklime Powder ≥95% for Steelmaking and Chemical-Process 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
Retaining the measurement basis is essential when comparing proposed quicklime grades. This industrial white calcium oxide CaO powder has stated purity ≥95%, with steelmaking and chemical-industry applications as the enquiry scope.
Keep the assay threshold beside the actual analysis
The minimum purity provides a stated chemical threshold, while a current sample report shows the measured composition of the material proposed. Request relevant impurity results and compare them with the plant's required limits. Record the sample reference used for that comparison.
Give each physical property its own evidence
Obtain particle or sieve data where grading forms part of the acceptance brief. Powder form does not specify a mesh fraction. Similarly, white appearance is not a numerical whiteness measurement. Keep the relevant method and material identity with each physical result.
Retain the procedure supporting the activity result
Clarify what 420ml measures and obtain the complete test conditions and endpoint. A result can be assessed more usefully when its procedure is available; matching activity wording alone does not prove equivalent test performance.
- Confirm the offered grade and associated reports.
- Agree the plant's chemical and physical acceptance criteria.
- Review method-defined activity before a representative evaluation.
Use current technical and safety documentation for the actual steelmaking or chemical assessment, and retain the observations with the tested material. No verified high-reactivity ranking, numerical optical value or universal process outcome is established from the product description alone.

