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High Purity 98% Alumina Oxide Powder Al2O3 for Ceramic White Powder
US$2.60
50-999 kg
US$2.30
1,000+ kg
Sample price:US$10.00/kg.Request sample
Product profile
Customization
AvailableCAS No.
1344-28-1Colour
WhiteModel NO.
Ceramic PowderAppearance
PowderUsage
Ceramic, PlasticType
SyntheticSio2 (%)
0.02Al2O3 (%)
98.60Fe2o3 (%)
0.02Cao (%)
0.001MGO (%)
0.001K2o (%)
0.001Na2o (%0
0.36L.O.I. (%)
4.70Density (g/cm3)
~3.93Transport Package
Polystyrene Bag with PalletSpecification
25kg or 50kg/bagTrademark
ColorcomOrigin
ChinaProduction Capacity
20000kgKey features
High Purity Options: Available in 96%, 98%, 99%, and 99.9% Al2O3 grades for diverse applications.
Ultra-Fine Particle Size: Even particle size distribution suitable for nano-catalysts and gemstones.
Versatile Applications: Used in ceramics, plastics, polishing, refractories, and electronic equipment.
High Temperature Stability: 99.9% grade is calcined into stable alpha alumina for high-temp uses.
Improved Material Toughness: Enhances luminous intensity and toughness in ceramic and rubber products.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2013-02-01Nearest Port: ShanghaiAverage Response Time: ≤7.62hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, CIP
AI-Powered supplier vetting
SummaryCOLORCOM LTD. is identified as a China-based limited company in Hangzhou, Zhejiang, with both trading-company and manufacturer/factory classifications. The supplier reports more than 10 production lines, cocoa powder productivity of 100,000 tons, broad export coverage, and peak and off-peak lead times of 2–3 months. It states that it holds ISO 9000, ISO 9001, ISO 14001, and GMP certifications, with 6–10 quality-control staff and 6–10 years of R&D-engineer experience. Its worldwide partnerships, sourcing services, and multi-industry product coverage support service breadth, but the provided information does not establish specific after-sales procedures, verified customer cases, detailed customization capabilities, or sufficient non-financial evidence for financial credibility. Financial figures are omitted.
Supplier typeThe supplier is described as a trading company in its company classification and as both a trading company and manufacturer/factory in its business-entity profile. It is a China-based limited company headquartered in Hangzhou, Zhejiang.
CertificationsThe supplier explicitly reports ISO 9000, ISO 9001, ISO 14001, and GMP management-system certifications. These stated certifications indicate coverage of quality, environmental, and manufacturing-practice systems, although no certificate numbers, issuing bodies, or validity dates are provided.
R&D capabilityThe supplier reports 6–10 years of total R&D-engineer experience and states that its partnership network supports innovation, technological-information exchange, and access to market intelligence. This provides explicit positive indicators, although no specific patents, laboratories, new-product examples, or development results are supplied.
Production capacityThe supplier reports more than 10 production lines and annual cocoa powder productivity of 100,000 tons. It also states 2–3 month fulfillment lead times in both peak and off-peak seasons, indicating declared production scale and planning capacity, though the information does not independently verify facility ownership or capacity across all listed products.
Product Q&A
Q:What are the available purity grades?
A:
We offer Al2O3-96%, Al2O3-98%, Al2O3-99%, and High Purity Calcined Alumina Powder Al2O3-99.9%.
Q:What is the main application of this powder?
A:
It is widely used in ceramic manufacturing, plastic, polishing, refractory materials, and as a catalyst carrier.
Q:What is the density of the powder?
A:
The density is approximately 3.93 g/cm3 or greater than or equal to 3.93 g/cm3 depending on the grade.
Q:Is this powder suitable for electronic equipment?
A:
Yes, especially the High Purity Calcined Alumina Powder (99.9%) is used in electronic equipment and structural ceramics.
Q:What is the CAS number for Alumina Oxide?
A:
The CAS number is 1344-28-1.
Send Inquiry
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COLORCOM LTD.
COLORCOM LTD.*Content:
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