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

Silicon carbide ceramic foam filters uses green silicon carbide powder F800F1000F1200

Silicon carbide ceramic foam filters uses green silicon carbide powder F800F1000F1200

Silicon carbide powder for Advanced Ceramics | Green …Both green silicon carbide powder and black silicon carbide powder can work as raw materials for advanced ceramics. Those SiC ceramics include: Diesel Particulate Filter (DPF ceramic) in diesel…

Green silicon carbide JIS

Green silicon carbide JIS

Green silicon carbide JIS#320 | Green Silicon CarbideGreen silicon carbide JIS#320 is a very hard abrasive material with uniform particle size distribution. The hardness of it only ranks after diamond and B4C, and it is harder than black silicon…

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