About Us

Henan Superior Abrasives Import & Export Co., Ltd. (HSA), established in 2001, is a leading supplier of silicon carbide and related products in China. As a crucial supplier of abrasive products, HSA maintains close contact and strategic cooperation with many famous multinational corporations. Our market covers America, Canada, Mid-east, Russia, Spain, South Africa, Southeast Asia and etc.


It’s our belief that qualified products make credibility. We believe in such things as relieved, satisfying customer experiences, the right products in the right places, well-organized logistics, and clean packages. In a word, every little improvement in products is a step closer to perfection.


Together with you, we hope to work on products that define an industry and try to make our world even better.Click for more

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Frequently Asked Questions

What is the difference between green silicon carbide and black silicon carbide?

First of all, Green silicon carbide has a higher purity of SiC(99%), black silicon carbide SiC purity is min 98%. Secondly, green silicon carbide is harder than black silicon carbide.

Is the green silicon carbide powder from you by airflow sieving or water sieving?

Our green silicon carbide powder is made by the water sieving process. So the particles are of high consistency.

What are the HS code and CAS NO. of silicon carbide?

HS code is 2849200000. CAS NO. is 409-21-2.

Is there any restriction to export silicon carbide material from China?

Yes, it has to get an export license to export. We will provide it to customs.

How many kgs of free samples can we get?

We provide free samples of less than 1 kgs. Clients have to bear the express cost and DGM certificate cost.

News

Precision finishing grinding wheels uses green silicon carbide f46 f54 f60 f80

Precision finishing grinding wheels uses green silicon carbide f46 f54 f60 f80

Green Silicon Carbide for Grinding Wheel | Green …Green Silicon Carbide for Grinding Wheel has a SiC content of about 99% min. Green SiC is made from quartz sand and petroleum coke, appended with salt, then smelted in a high-temperature electric…

Ceramic disc brakes uses black silicon carbide powder 360mesh 400mesh 600mesh

Ceramic disc brakes uses black silicon carbide powder 360mesh 400mesh 600mesh

Ceramic products uses black silicon carbide 60mesh …Ceramic products uses black silicon carbide 60mesh 80mesh 100meshsilicon for ceramic brake discs | ElkemElkem offers silicon for use in production of ceramic brake discs, both within the automotive…

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