Calcium Oxide CaO Quicklime Powder 90%-93% for Food Self-Heating Pack and Hot Pot Heater Bag Evaluation
-
ColorWhitePhysical formPowder
-
CAS No.1305-78-8Purity90%-93%
-
AppearanceWhite powderApplicationUsed in the production of food heating agents
-
ClassificationCalcium OxideEINECS No.215-138-9
-
Grade StandardIndustrial Grade, Food GradeMolecular FormulaCaO
-
Other NamesQuicklime
Qualifying a meal-heating system involves more than selecting a calcium oxide powder. This white CaO quicklime has stated purity 90%-93% and is intended for technical enquiries concerning food-heating agents, self-heating packs and hot-pot heater bags.
Separate raw-material review from pack qualification
For the powder, request a current analysis and technical specification linked to the proposed sample. Confirm the basis of the purity range and obtain any reactivity measurements with their test conditions.
For the finished system, require professional assessment of the actual design and its intended use. Evidence about the raw material does not establish a heater bag's performance or acceptance.
Ask for measured behaviour rather than a speed label
Reactivity comparisons need an identified method, sample reference and relevant conditions. High activity or fast reaction should not be treated as a verified heating time, temperature or consistent pack-level result.
- Material evidence
- Composition and method-linked measurements for the actual CaO powder.
- System evidence
- Qualified evaluation of the proposed heating pack and the requirements governing its intended use.
Keep these records separate in the technical review so that a result is applied only to the material or system actually tested.
Resolve food-related requirements before selection
Use in a meal-heating application does not establish direct food-contact suitability. Obtain the relevant qualification documents and review the safety data sheet with the responsible technical team.
State the development brief and evidence requirements when requesting a sample. The enquiry should support a qualified system decision without assuming a finished-pack approval or supplying an activation recipe.
