Low-Sodium Calcined Alpha Alumina Powder for Cera | RFQ Sourcing Details
Activated Alumina · Quote on request
This is a product procurement detail page: check specs, images, category context and related sourcing paths before sending an RFQ.
Product specs
Buyer's Digest
Use this page as a product-first sourcing checkpoint before sending an RFQ. Category: Activated Alumina. Confirm application fit, capacity, materials, destination, lead time and compliance requirements before comparing suppliers.
Original product description
This calcined alpha alumina is an industrial-grade white powder intended for evaluation in ceramics, refractories, polishing compounds, rubber and plastic fillers, friction and anti-slip products, paints and coatings, and thermal-spray powders. It is Three model-specific datasets are provided.
CTC30 has measured Al2O3 of 99.806%, SiO2 of 0.014%, Fe2O3 of 0.011%, Na2O of 0.102%, alpha-Al2O3 of 94%, loss on ignition of 0.04%, D50 of 3.8–4.4 μm, and D90 of no more than 16 μm.
AL-CTC20-2 has measured Al2O3 of 99.7%, SiO2 of 0.02%, Fe2O3 of 0.02%, sodium oxide of 0.12%, alpha-Al2O3 of 93.5%, loss on ignition of 0.15%, D50 of no more than 2.2 μm, and D90 of 4.0–5.5 μm.
AL-CTC20-1 has measured Al2O3 of 99.732%, SiO2 of 0.02%, Fe2O3 of 0.02%, sodium oxide of 0.09%, alpha-Al2O3 of 94%, loss on ignition of 0.15%, D50 of 1.7–2 μm, and D90 of 4.0–5.5 μm. An effective-density value of 3.94 is listed for all three models, but its source unit is not stated clearly enough to normalize here.
Packaging configurations listed include 25 kg woven or paper bags, palletized or overpacked arrangements, and 1,000 kg big bags. Other packaging is described as customizable. Before purchasing, buyers should identify the exact model and request a lot-specific specification or test report.
Confirm the required sodium limit, alpha-phase content, particle-size distribution, loss on ignition, density unit and test method. Also verify whether the material is being supplied specifically as calcined alpha alumina rather than another alumina type, since the available uses overlapping alumina terminology.
Final suitability should be assessed against the buyer’s formulation, processing conditions, quality plan, packaging requirements, and applicable regulatory obligations.
Low-Sodium | Applications and Buyer Notes
Low-Sodium is organized as a sourcing-ready Activated Alumina reference. The page combines visible product or company data with structured procurement cues so buyers can compare application fit, specifications, quantity, quality requirements and lead-time ques
Applications
- Initial shortlist building for related product or supplier options.
- Specification and application fit review before bulk purchasing.
- Category, keyword and detail-page comparison before sending an RFQ.
Key specifications
- Category
- Activated AluminaBased on visible page data; confirm exact value in the RFQ.
- Unit
- setBased on visible page data; confirm exact value in the RFQ.
- D50
- CTC30: 3.8–4.4 μm;AL-CTC20-2: ≤2.2 μm;AL-CTC20-1: 1.7–2 μmBased on visible page data; confirm exact value in the RFQ.
- D90
- CTC30: ≤16 μm;AL-CTC20-2 and AL-CTC20-1: 4.0–5.5 μmBased on visible page data; confirm exact value in the RFQ.
- SiO2
- 0.014–0.02%, depending on modelBased on visible page data; confirm exact value in the RFQ.
- Al2O3
- 99.7–99.806%, depending on modelBased on visible page data; confirm exact value in the RFQ.
- Fe2O3
- 0.011–0.02%, depending on modelBased on visible page data; confirm exact value in the RFQ.
- Formula
- Al2O3Based on visible page data; confirm exact value in the RFQ.
Buyer tips
- State quantity range and split-delivery needs before price comparison.
- Add certification, material or inspection standards when they affect acceptance.
- For time-sensitive projects, include target arrival date and destination.
- For special applications, describe operating condition, installation environment and duty cycle.
FAQ
What should buyers confirm first?
Confirm application, specification, quantity, destination and lead-time requirements before comparing offers.
Can buyers inquire when specs are incomplete?
Yes. Add model, material, size, use case and inspection needs in the RFQ to make replies comparable.
How should this listing be evaluated?
Check title, category, specifications and related keywords against the actual sourcing requirement.
Source mix: ugc
Key specifications
Product sourcing keywords
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