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SMC(Sheet Molding Compound)

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SMC (Sheet Molding Compound) SMC is a thermosetting composite molding material in sheet form, created by impregnating glass fiber stiffener into a resin compound of unsaturated polyester resin and additives that include low profile agents, lubricants, and fillers and then increasing the viscosity of the resin compound using chemicals.
  • The Characteristics of SMC

    • 1) SMC has excellent mechanical strength.
    • 2) SMC has good workability ; it is easy to handle and also easy to inject into molds due to its non-stickiness.
    • 3) SMC has excellent productivity; SMC makes it possible to product large quantities of products in a short amount of time compared to the existing FRP molding method.
    • 4) SMC has excellent levels of stain resistance, water resistance, weather resistance, and corrosion resistance.
    • 5) SMC has high heat deflection temperatures and suffers little thermal aging.
    • 6) SMC comes in various colors.
    • 7) SMC is guaranteed to have a semi-permanent lifespan; SMC can be used for long periods of time because it does not rust or corrode easily compared to metal and wood.
    • 8) SMC has excellent dimensional accuracy.
      SMC grades with low - or non-shrink properties can be used for precision parts.
  • Handling Precautions

    Storage
    • 1) Avoid storage places with high temperatures and store SMC at a temperature of 20℃ or below.
    • 2) Avoid direct sunlight and store SMC in a cool dark place.
    • 3) Ensure that SMC’s packaging is not damaged during its storage.
      (Damaged outer packaging volatizes SMC, making it unusable.)
    At Work
    • 1) Ensure that SMC does not come into contact with direct sunlight or moisture at the work site.
    • 2) Be sure to store only the day’s production of SMC at the work site if possible.
    • 3) Be sure to use the material immediately after removing its packaging (AL film).
    • 4) When SMC is to be left unattended for more than 30 minutes after its PE/PP film is removed, be sure to re-wrap it with Al film prior to storage.
    • 5) Be sure to wear a dust mask and protective glasses before commencing work.
  • SMC Products

    Product Specifications
    • Form: Sheet
    • Width: 1000mm (600-1000mm available by special order)
    • Thickness: 2.0-4.0mm
    • Package: 100kg/Roll or 1 M/T

Phenol SMC is used for special purposes, particularly in the defense industrial sector.

Defense Industrial Sector Product Features Table
Grade Application Colors Data sheet
KD5221(N) Missile launchers (combustion chambers) Black View technical sheets


Request MSDS’s
KD5221(M) Missile launchers (flues) Black

Characteristics

  • 1) They have excellent heat resistance and ablation resistance.
  • 2) Created by impregnating phenol resin that has good thermal properties into a CSM (Continuous Strand glass MAT), these SMC products can withstand material degradation and vibration pressure caused by flames created when a guided missile is launched.
  • 3) They can be molded through autoclave molding and press molding.

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