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Green carborundum F24 blasting media

Green carborundum F24 blasting media is an extremely hard abrasive blasting media. It is made from petroleum coke and quartz in a large electronic furnace. Green silicon carbide’s Vicker hardness is 3100-3400kg/mm2, and Mohs hardness is 9.5. Its abrasive code is GC refers to Green Carborundum. GC abrasive is suitable for blasting ceramics, quartz glass, hard alloy, carbide alloy, jade, etc. Especially for Titanium alloy, and optical glass, green silicon carbide works better than other abrasive materials.

$2,850.00$2,950.00 / MT

Green carborundum F24 blasting media

Product introduction of Green carborundum F24 blasting media

Green carborundum F24 blasting media is an extremely hard abrasive blasting media. It is made from petroleum coke and quartz in a large electronic furnace. Green silicon carbide’s Vicker hardness is 3100-3400kg/mm2, and Mohs hardness is 9.5. Its abrasive code is GC refers to Green Carborundum. GC abrasive is suitable for blasting ceramics, quartz glass, hard alloy, carbide alloy, jade, etc. Especially for Titanium alloy, and optical glass, green silicon carbide works better than other abrasive materials.

Typical physical properties of Green carborundum F24 blasting media
Mohs Hardness:9.5
Vickers Hardness:3100-3400kg/mm2
Specific Gravity:3.2g/cm3
Bulk density(LPD):1.2-1.6 g/cm3
Color:Green
Particle shape:Hexagonal
Melting Point:Dissociated at about 2600 centigrade
Maximum service temperature:1900 centigrade
FriabilityFriable
Thermal conductivity0.013 cal/cm2.sec (900°C)
Thermal expansion coefficient7-9 x10-6 /℃(0-1600°C)
Chemical analysis of Green carborundum F24 blasting media
Chemical ContentF024-F150F180-F220
SiC≥99.0%≥99.0%
SiO2≤0.30%≤0.30%
F, Si≤0.30%≤0.50%
Fe2O3≤0.40%≤0.40%
F.C≤0.2%≤0.2%
Product Feature of Green carborundum F24 blasting media
  1. Extremely high hardness (Mohs 9.5, Vickers 3100-3400kg/mm2) with high wear-resistance ability. The hardness of SiC decrease with the increase in temperature. But still, even at the temperature of 1200°C, the hardness of green SiC is about twice that of fused alumina.
  2. Excellent chemical resistance and oxidation resistance. When heated at high temperatures, silicon carbide only oxidizes on the surface, forming a silicon dioxide film. The film can protect the silicon carbide material from oxidation. As a result, even at 1600°C, green SiC can maintain stability to most strong acids and alkalis.
  3. High Toughness. The toughness of silicon carbide abrasive refers to the difficulty of breaking under the action of external force. Taking F46 grit as an example, the toughness of carborundum tested by the static pressure method is about 68-78%. Compared with fused alumina, the mechanical strength of silicon carbide is higher. F120 for example, the compressive strength of silicon carbide is 186KN/cm2, and the compressive strength of corundum abrasive is 100KN/cm2.
  4. Excellent thermal shock resistance with low thermal expansion coefficient. At a temperature of 25-1400 °C, the average thermal expansion coefficient of silicon carbide is 4.4×10-6/°C, while the thermal expansion coefficient of fused alumina is 7-8×10-6/°C.
  5. High-temperature resistance; high-temperature strength. The melting point of green silicon carbide is 2600 °C, and the maximum operating temperature can reach 1900 °C. Applying silicon carbide to the inner wall of the engine can increase the life of the engine.
  6. High purity. The green silicon carbide grain from us is milling from A grade green SiC block. Then sieve to high consistency particles.
Applications of Green carborundum blasting media

 

  1. Precision polishing for hard optical glass such as camera lens.
  2. Abrasive blasting on hard metal materials such as titanium alloy, carbide alloy, etc.
  3. Polishing and grinding quartz glass.
  4. Grinding hard stone, marble, granite, etc.
  5. Polishing PZT/ Piezoelectric ceramic.
  6. Blasting copper and copper alloy.
  7. Surface treatment on diamond tools.
  8. Wire sawing.
  9. Polishing jewelry such as diamonds and cinnabar.
  10. Grinding other thin brittle material precise component.

Specification of green silicon carbide blasting media:
Grit1233 and 45Q5max,%
W1,umQ1,%W2,umQ2max,%W3,umQ3min,%W4,umQ3+Q4min,%W5,um
F0103350023602020004517007014003
F0122800020002017004514007011803
F0142360017002014004511807010003
F016200001400201180451000708503
F02017000118020100045850657103
F024118008502571045600655003
F030100007102560045500654253
F03685006002550045425653553
F04071005003042540355653003
F04660004253035540300652503
F05450003553030040250652123
F06042503003025040212651803
F07035502502521240180651503
F08030002122518040150651253
F09025001802015040125651063
F1002120150201254010665903
F120180012520106409065753
F15015001061590407565633
F1801250901575*634053*
F2201060751563*534045*

 

Production details of green silicon carbide blasting media:

Packing:

 

FAQ

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

A: 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.

 

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

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

 

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

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

 

Q: How many kgs of free samples can we get?

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

 

Q: How do you inspect products before delivery?

A: We will check items of chemical, density, particle size distribution, and packing before delivery. After delivery, we keep samples of each batch for 3 months.

 

Q: Do you demand MOQ?

A: MOQ is 1 bag, always goes 25kgs. The transportation cost will be higher than that of 1MT.

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