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    Precipitated silicon carbide powder 20 micron

    Precipitated silicon carbide powder 20 micron is a fine SiC powder with high hardness for grinding and polishing. SiC powder 20 micron compliance with F400 or P800 mesh.It is made from a precipitate process.  SiC micron has the characteristics of good thermal conductivity, wear resistance, high high-temperature strength, and low thermal expansion coefficient. Meanwhile, it obtains stable high-temperature physical and chemical properties. In addition to the excellent thermodynamic properties of black silicon carbide itself, it also has the advantages of high cleanliness, uniform particle size, high purity of silicon carbide, and low impurities.

    $2,400.00 – $2,600.00 / MT

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    Precipitated silicon carbide powder 20 micron

     

    Precipitated silicon carbide powder 20 micron is a fine SiC powder with high hardness for grinding and polishing. SiC powder 20 micron compliance with F400 or P800 mesh.It is made from a precipitate process.  SiC micron has the characteristics of good thermal conductivity, wear resistance, high high-temperature strength, and low thermal expansion coefficient. Meanwhile, it obtains stable high-temperature physical and chemical properties. In addition to the excellent thermodynamic properties of black silicon carbide itself, it also has the advantages of high cleanliness, uniform particle size, high purity of silicon carbide, and low impurities.

    silicon carbide 20 micron

    Product Feature of Precipitated silicon carbide powder 20 micron

    1. High hardness with Mohs 9.2-9.3. Even at 2000℃, it still gets high strength.
    2. Good oxidation resistance and chemical stability at high temperatures.
    3. High thermal conductivity and low thermal expansion rate.
    4. High SiC purity and cleanness with low impurity and low magnetics.
    5. Bulk density with normal level and high level.
    6. Particle size consistency.

     

    Typical physical properties of Precipitated silicon carbide powder 20 micron

    Chemical compositionSiC:98-99.2%
    Mohs Hardness:9.2-9.3
    Vicker hardness:2940-3200kg/mm2
    Specific Gravity:3.15-3.20 g/cm3
    Bulk density(LPD depends on the size):0.8-1.5 g/cm3
    Melting Point:dissociated at about 2300 °C
    Maximum service temperature:1900℃
    Particle shape:Hexagonal
    Modulus of Elasticity58-65×106 psi
    Coefficient of Thermal Expansion3.9-4.5 x10-6 /°C
    Thermal Conductivity (at 25°C)70-130 W/M·K
    Raw materialPetroleum coke, quartz sand

     PSD chart of Precipitated silicon carbide powder 20 micron

    Typical chemical composition of Precipitated silicon carbide powder 20 micron

     

    Gradeds50-value in μmTypical Chemical Composition(%)
    SiCFCFe2O3
    F 230 (P280#)53.0 ± 399.40.10.06
    F 240 (P320#)44.5 ± 299.40.110.05
    F 280 (P360#)36.5 ± 1.599.40.120.06
    F 320 (P400#)29.2 ± 1.599.30.060.05
    F 360 (P600#)22.8 ± 1.599.20.150.05
    F 400 (P800#)17.3 ± 199.10.080.05
    F 500 (P1200#)12.8 ± 198.670.060.06
    F 600 (P1500#)9.3 ± 198.620.050.07
    F 800 (P2500#)6.5 ± 198.660.110.05
    F 1000 (P4000#)4.5 ± 0.898.630.130.07
    F 1200 (P5000#)3.0 ± 0.598.590.170.08

     

    Application of Precipitated silicon carbide powder 20 micron

     

    1. Grinding and polishing: For grinding and polishing of metal, aluminum alloy, and copper products, as well as glass, crystal, stone, and jade.
    2. Abrasive products: Produce various coated abrasives such as abrasive paper, abrasive belts, nylon polishing wheels, silicon carbide grinding brushes, sponge polishing blocks, and bonded abrasives such as steel paper sand discs, fluid abrasives, oil stones, grinding stones, diamond grinding wheels, etc.
    3. Silicon carbide ceramics: silicon carbide ceramic filters, silicon carbide ceramic membrane tubes, silicon carbide wear-resistant products, silicon carbide ceramic water pumps, bends, silicon carbide wear-resistant plates, etc.
    4. Composite materials: foam glass, modified epoxy resin, lubricating oil, anti-corrosion mastic, high-temperature resistant paint and other materials are added.
    5. Wear-resistant products: brake pads, wear-resistant sandpaper, wear-resistant fiberglass filler additive materials.

    Production details of Precipitated silicon carbide powder

     

    Packing of Silicon carbide Carborundum Fine powder F600

    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 a manufacturer of both black silicon carbide and green silicon carbide materials. We began to produce silicon carbide powder since 1999.

     

    Q: What grade of silicon carbide do you have?

    A: We have several grades of silicon carbide powder including refractory grade, abrasive grade,etc.

     

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

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

     

    Q: Do you support third-party quality inspection?

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

    Q: Is the silicon carbide you supply reclaimed material?

    A: No. We do the melting process by ourselves and don’t have reclaimed silicon carbide.

     

    Q: What is the HS code of silicon carbide abrasive powder?

    A: The HS code is 2849200000.

     

    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 your annual capacity?

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

     

    The latest news：

    What is the function of silicon carbide powder for anti-corossion coating？

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