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Silicon Carbide Flat Film Membrane SiC

Silicon Carbide Flat Film Membrane SiC

Silicon Carbide Flat Film Membrane (SiC FFM) is a type of high-performance membrane used in filtration and separation processes. It is made of a thin layer of silicon carbide, a high-strength ceramic material known for its excellent mechanical, thermal, and chemical properties.

SiC FFM is designed to filter and separate particles and molecules from liquids and gases with high efficiency and precision. Its thin and flat design allows for a large surface area to be exposed to the fluid, which improves the filtration efficiency and reduces pressure drop.

SiC FFM is highly durable and resistant to harsh chemical environments, making it suitable for use in a wide range of applications, including water treatment, pharmaceuticals, food and beverage, and petrochemicals. It can withstand high temperatures and pressures, making it suitable for use in challenging industrial environments.

SiC FFM is easy to clean and maintain, and its high mechanical strength and corrosion resistance ensure a long service life. Its high thermal conductivity also allows for efficient heat transfer during filtration and separation processes, which can be beneficial in certain applications.

Overall, Silicon Carbide Flat Film Membrane (SiC FFM) is a reliable and high-performance membrane that offers excellent filtration and separation capabilities in a wide range of industrial applications. Its unique combination of properties makes it a popular choice for use in challenging environments, where durability and efficiency are critical.


Silicon Carbide Ceramics Properties

Compound Formula SiC
Molecular Weight 40.1
Appearance Black
Melting Point 2,730° C (4,946° F) (decomposes)
Density 3.0 to 3.2 g/cm3
Electrical Resistivity 1 to 4 10x Ω-m
Poisson's Ratio 0.15 to 0.21
Specific Heat 670 to 1180 J/kg-K

Silicon Carbide Ceramics Specification

CAS#: 409-21-2, Not Hazardous
Powder, F.W. 40.10, m.p. 2700 °C, Spec. Gravity 3.217 gm/cm3
Item No. Description Purity Lot Size
CB14-85 Silicon Carbide Powder
Particle Size:18, 30, 40 or 200 mesh
> 85 %
F.C. < 2.5%, Fe2O3 < 2%, Al2O3 < 1.2%
CB14-90 Silicon Carbide Powder
Particle Size:18, 30, 40 or 200 mesh
> 90 %
F.C. < 1.5%, Fe2O3 < 1.2%
CB14-98 Silicon Carbide Powder
Particle Size:18, 30, 40 or 200 mesh
> 98 %
F.C. < 0.6%, Fe2O3 < 0.7%

Silicon Carbide Ceramics Applications

Until the invention of boron carbide in 1929, silicon carbide was the hardest synthetic material known. It has a Mohs hardness rating of 9, approaching that of a diamond. In addition, SiC crystal has fracture characteristics that make them extremely useful in grinding wheels and in abrasive paper and cloth products.

Its high thermal conductivity, together with its high-temperature strength, low thermal expansion, and resistance to chemical reaction and thermal shock, makes silicon carbide valuable in the manufacture of high-temperature bricks and other refractories.

SiC ceramic is also classed as a semiconductor, having an electrical conductivity between that of metals and insulating materials. This property, in combination with its thermal properties, makes SiC a promising substitute for traditional semiconductors such as silicon in high-temperature applications.

Silicon Carbide Flat Film Membrane Specifications

Technical Data
Substrate Material SiC
Pore Size 0.1-0.2 um
Pure Water Flux 1200-1500 L/m²*h*bar
Configuration multiple options
Temperature resistant in air up to 800 °C
pH stability 0-14*


Silicon Carbide Flat Film Membrane Applications

Silicon Carbide Flat Film Membrane can be applied in the following fields:

-Removal of suspended matter in wastewater after biochemical treatment.

-Solid-liquid separation in the industrial process:

  1. a) Separation and washing of pulp in hydrometallurgy
  2. b) Filtration of tungsten smelting wastewater before separation
  3. c) Solid-liquid separation of magnesium hydroxide slurry
  4. d) Solid-liquid separation of coal mine water.

-Pretreatment of reverse osmosis or nano-filtration process.


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