The calcined alumina of our company is produced by the general international law of Bayer, boron free rotary kiln calcined, in addition to sodium washed by water, greatly improving the product quality, purity and stability, and the bulk density of ceramic products, mohs hardness and ability to withstand voltage, etc.
Excellent sintering performance,stable linear shrinkage,suitable partice size and narrow particle size distribution. Widely used in refractory and ceramic industries.
| Model |
Chemical Composition |
α-Al2O3 |
Effective density |
Primary grain size |
| Al2O3 |
SiO2 |
Fe2O3 |
Na2O |
LOI |
| % |
% |
% |
% |
% |
% |
g/cm3 |
μm |
| A-C-30 |
≥99 |
≤0.1 |
≤0.04 |
≤0.5 |
≤0.2 |
≥94 |
≥3.93 |
4.0±1 |
| A-C-30-A |
≥99 |
≤0.1 |
≤0.04 |
≤0.5 |
≤0.2 |
≥93 |
≥3.93 |
2.5±1 |
Thermal Interface Materials: thermal silica pad, thermal grease, thermally conductive potting glue, phase change materials
Thermally Conductive Engineering Plastics: LED lamp cover, switch shell,electronic products shell, electrical products heat dissipation parts;
Al-based Copper Clad Laminate: high-power LED circuit substrate, power circuit boards, etc;
Alumina Ceramic Fillers;
Q1 : How can you control your quality?
A1: For each production processing,we have complete QC system for the chemical composition and Physical properties. After production, all the goods will be tested, and the quality certificate will be shipped along with goods.
Q2 : What is your lead time?
A2: It usually needs about 10-15 days after receiving the PO.
Q3 : Do you provide free samples?
A3 : Yes, free samples are available, generally speaking, the buyer shall bear all the delivery cost.
Q4 : What is your payments terms?
A4 : We can accept 50% deposit, 50% balance to be against the BL copy or by LC, or other payment terms.
Q5 : Can we visit your company?
A5 : Yes, for sure, you are welcome to visit our company.
Q6 : What standards do you have?
A6 :Our products meet the standards, such as ASTM,SGS. The third party testing is all available for us.
Mr Han
Free to contact
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