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Item # Grefpatch-85 (WET), Plastic Refractories



85% Alumina, Phosphate-Bonded Patching Plaster

Features:
  • Formulated for application by trowel or by hand.
  • Will not shrink or crack on heatup.
  • Resists metal and slag erosion.
  • Can be used on hot surfaces.

    Uses:
  • Metal and non-metal contact areas which have spalled or eroded.




  • Specifications  · Cold Crushing Strength  · Modulus of Rupture  · Applications

    Specifications

    Classification

    Air-Setting
    High Alumina

    Mullite

    Plastic Refractory

    Material Required (Pressed)

    175 lb/ft³

    Maximum Operating Temperature

    3000 ºF

    Standard Packaging

    55# Plastic Bag in Box


    Cold Crushing Strength

    Cold Crushing Strength (Dried 18-24 hrs. at 220ºF [104ºC])

    3600 psi
    24.8
    MPa

    Cold Crushing Strength (Fired 5 hrs. at 1500ºF [816ºC])

    15000 psi
    103.4
    MPa

    Cold Crushing Strength (Fired 5 hrs. at Use Limit)

    8100 psi
    55.8
    MPa


    Modulus of Rupture

    Modulus of Rupture (Dried 18-24 hrs. at 220ºF [104ºC])

    167 psi
    2.68
    MPa

    Modulus of Rupture (Fired 5 hrs. at 1500ºF [816ºC])

    161 psi
    2.60
    MPa

    Modulus of Rupture (Fired 5 hrs. at Use Limit)

    170 psi
    2.72
    MPa


    Applications
    Incinerator linings including afterburners, aluminum holding furnace sidewalls and ramps, steel mill maintenance linings, ladle linings holding iron, carbon steel, aluminum, brass, bronze, and zinc, burner blocks, and soaking pit slaglines. Other applications are primary copper reverberatory furnace slag trough linings, argon-oxygen decarburization vessel spouts, reheat furnace hearths, iron coreless and channel induction furnace spouts, aluminum and brass furnace door jambs, aluminum furnace sidewall bellyband repairs, forge furnace hearths, fluid catalytic cracker cyclones and transfer lines, and cement kiln nose rings.



     DOWNLOADS 

    Data Sheet for Grefpatch-85 (WET)
    (PDF, 22KB)


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