Production method of composite silicate hard heat-insulating plate

Production method of composite silicate hard heat-insulating plate

  • CN 1,281,393 C
  • Filed: 12/28/2001
  • Issued: 10/25/2006
  • Est. Priority Date: 12/28/2001
  • Status: Active Grant
First Claim
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1. the manufacture method of a composite silicate hard heat-insulating plate, it is characterized in that its production process is:

  • cement, adhesive, sepiolite are added mixer and add an amount of water in material, add flyash then, add granulated filler, foam stabilizer, blowing agent more successively, pour in the mould after stirring, natural curing at room temperature solidify composite silicate hard heat-insulating plate, wherein the percentage by weight of each material is;

    cement 10~

    30%;

    Adhesive 5~

    20%;

    Sepiolite 3~

    5%;

    Flyash 30~

    40%;

    Blowing agent 2~

    10%;

    Foam stabilizer 1~

    3%;

    Granulated filler 5~

    12%;

    Cement, adhesive, sepiolite;

    water=1;

    3~

    3.5;

    Cement is any one in phosphorus magnesium cement, ferrous aluminate cement, the sulphate aluminium cement;

    Adhesive is a Concave-convex clay rod;

    Blowing agent is any one among AC blowing agent, carbonic hydroammonium, hydrogen peroxide, ethanol, the fast T;

    Foam stabilizer is any one in calcium stearate, sodium metasilicate, tertiary sodium phosphate, the calgon;

    Granulated filler is perlite or polystyrene.

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