Ultrathin expansive type fireproof steel material
An intumescent, fire-resistant steel technology, applied in the direction of fire-resistant coatings, coatings, etc., can solve problems such as structural damage, reduced bearing capacity of steel structures, and sensitivity
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[0010] An ultra-thin intumescent fireproof steel material is characterized in that ordinary carbon structural steel is sprayed with 2.5mm ultrathin fireproof paint to form the ultrathin intumescent fireproof steel material of the present invention. The main components of the fireproof coating are: base material phenolic 70% + acid source ammonium polyphosphate 2% + carbon source pentaerythritol 5% + inorganic filler talc powder 15% + reinforcing material aluminum silicate fiber + additives defoaming agent, dispersant and component Film agent 8%.
[0011] Derust the surface of ordinary carbon structural steel materials, apply a layer of iron red primer, and wait for the primer to dry before proceeding.
[0012] Ordinary carbon steel structure is the common Q195, the chemical composition is: C ≤0.1%, Mn ≤0.50%, Si ≤0.30%, S ≤0.040%, P ≤0.035%, and the rest is Fe. The specifications of steel bars are: length x diameter x thickness 50mm x 10mm x 2mm.
[0013] Stir and mix the fi...
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