Black silicon carbide blasting media

Black silicon carbide blasting media is an artificial abrasive made of carbonaceous materials and siliceous materials through high-temperature smelting in a large resistance furnace. The carbonaceous material is petroleum coke or coal coke. And the siliceous material always goes quartz sand. At the same time, the smelting process will also add wood chips, salt, and other additives.

/MT

Black silicon carbide blasting media

Product introduction of Black silicon carbide blasting media

Black silicon carbide blasting media is an artificial abrasive made of carbonaceous materials and siliceous materials through high-temperature smelting in a large resistance furnace. The carbonaceous material is petroleum coke or coal coke. And the siliceous material always goes quartz sand. At the same time, the smelting process will also add wood chips, salt, and other additives.

The purity of the silicon carbide of the first-grade black silicon carbide is more than 98%. The color is shiny, and the reflection shows multicolored colors. Generally, the higher the purity of silicon carbide, the better its physical and chemical properties. The hardness of black silicon carbide is slightly lower than that of green silicon carbide, with a Mohs hardness of 9.2-9.3. Haixu black silicon carbide grit is produced by crushing, washing, screening, magnetic separation, and other processes from first-grade silicon carbide blocks. It has the characteristics of high purity, high cleanliness, high packing density, and low impurities.

 

Typical physical properties of Black silicon carbide blasting media
Hardness:Mohs:9.2
Melting Point:dissociated at about 2300 °C
Maximum service temperature:1900℃
Specific Gravity:3.2-3.45 g/cm3
Bulk density(LPD):1.2-1.6 g/cm3
Color:Black
Particle shape:Hexagonal
Modulus of Elasticity58-65×106 psi
Coefficient of Thermal Expansion3.9-4.5 x10-6/ ℃
Thermal Conductivity71-130 W/MK

 

Typical physical properties of Black silicon carbide blasting media
SiC98.77%
Fe2O30.18%
F.C0.14%
Magnetic content0.011%

 

Product Feature of Black silicon carbide blasting media
  1. Good oxidation resistance and chemical stability at high temperatures.
  2. High hardness with Mohs 9.2-9.3. Even at 2000℃, it’s still gets high strength.
  3. Excellent toughness.
  4. Low thermal conductivity. So it can resistant to thermal shock.
  5. High purity min SiC content is 98.5%.
  6. High bulk density.
  7. Black silicon carbide grit is washed by water before milling process, so there is few impurities.

 

Application of Black silicon carbide blasting media

Abrasive sandblasting for stone, marble, granite, etc., stone carving

Surface cleaning of semiconductor parts of stainless steel substrate.

Sandblasting and grinding of ceramic products and electronic ceramics.

Polish stone, polish marble, etc.

Jade, jewelry grinding and polishing.

Gem polishing, gem perforation.

Polishing and grinding of glass artwork, etc.

Product Specification of Black silicon carbide blasting media
Grit1233 and 45Q5max,%
W1,umQ1,%W2,umQ2max,%W3,umQ3min,%W4,umQ3+Q4min,%W5,um
F24118008502571045600655003
F30100007102560045500654253
F3685006002550045425653553
F4071005003042540355653003
F4660004253035540300652503
F5450003553030040250652123
F6042503003025040212651803
F7035502502521240180651503
F8030002122518040150651253
F9025001802015040125651063
F1002120150201254010665903
F120180012520106409065753
F15015001061590407565633
F1801250901575*634053*
F2201060751563*534045*

 

Production details of Black silicon carbide blasting media

Product Qualification of Black silicon carbide blasting media

ISO 9001:2015 Certificate

TUV certificate

 

Packing of Black silicon carbide blasting media
  1. 25 kgs/PVC Bag with plastic inner bag.
  2. 1MT /Jumbo Bag
  3. 25 kgs/PVC Bag,40Bags/Jumbo Bag
  4. 1 Metric Ton/Jumbo Bag/Pallet
  5. 25 kgs/paper bag,1MT/Pallet
  6. Other customized packages are available

FAQ:

Q: Are you a manufacturer?

A: We are manufacture. We began to produce silicon carbide material since 1999.

 

Q: What grade of silicon carbide do you have?

A: Expect metallurgical black silicon carbide, the silicon carbide from us is all of A grade quality.

 

Q: How will you check silicon carbide quality before delivery?

A: We will check the chemical content, cleanness of the SiC grain and powder. And inspect the gradation, bulk density of SiC grain and powder.

 

Q: Do you support a third-party quality test?

A: Yes, we are open to get the third-party quality test before delivery.

Q: Are the silicon carbide material from you is reclaimed material?

A: No. We only produce A grade silicon carbide produced from high-quality melted SiC blocks.

 

Q: Is there any restriction to export silicon carbide from China?

A: Yes, it needs to provide an export license to Chinese customs. We could provide it and make customs clearance in China.

 

Q: Are free samples available?

A: Yes, we provide free samples within 1 kg. Customers only need to bear the logistic cost.

 

Q: What is the lead time for each order?

A: It depends on the quantity required. Generally 5-10 days for FCL(20-25MT).

 

Q: What is your annual capacity?

A: Our capacity is 1800-2000MT per month, annually appr. 22000 MT.

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