Qinyang Sanhui Refractory Material Co.,Ltd.

Black Sic Section Sand 20-36 For Refractory Material

Place of Origin: Henan, China (Mainland)
Brand Name: Sanhui
Model Number: C
Form: Grain
Particle Shape: Angular
Grading System: ISO
Applications: Refractory

Trade Information

Min. Unit of Measure: Ton
Min. Order Quantity: 20
Port: Tianjin
Delivery Time: 15 Days
Packaging Details: According to customer's requirements
OEM: Yes
Production Capacity: 2000 / Year
Payment Terms: T/T

Product Description

Black Sic Section Sand 20-36 For Refractory Material

Black silicon carbide is produced at high temperature in an electric resistant furnace with quartz sand and petroleum coke as its main raw materials. Its hardness is between corundum and synthetic diamond. Mechanical intensity of it is higher than corundum.  

Black Sic Section Sand 20-36 For Refractory Material


1. Chemical composition:

Grain Size


F.C %

T.Fe %

SiO2 %






2. Magnetic material proportion: ≤120ppm


Black Sic Section Sand 20-36  is mainly used for high-grade silicon carbide products such as silicon carbide laminate, silicon carbide specialities, etc..


1. All products have strong stability, good resistance and oxidation resistance.

2. In strict accordance with abrasive sand with national testing standards, all products are of high quality, high purity and large crystal sic.

3. Products/Packages can be customized.

Quality Assurance

1. Our company has two labs for chemistry test & physical test and has total 3 technicians.

2. Our equipment will be regularly maintained by professional repair personnel.

3. All products must pass strict multi inspections to ensure the products' quality.

4. We reserve samples and photo for each batch of products. Each sample with its Lot # will be kept for 12 months after delivery.

Black Sic Section Sand 20-36 For Refractory Material


1. With professional team, we can produce a variety of particle size range of products according to customer's requirements.

2. We have a strict quality inspection system to ensure the products' quality and safety.

3. We also have a perfect after-sale service system. If the products have any problem within four months after delivery, they can be traced back. 

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