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    Construction Instruction of Non-Asbestos High-Temp Calcium Silicate Insulation Board
    Posted by:Yolanda     Date:05.Jan.2019

    calcium-silicate-board


    Ⅰ.Preparation

    1.Material

    (1).Non-Asbestos High-Temp.Calcium Silicate Insulation Board.
    (2).High-Temp.Bonding Powder(Our factory manufaturing ).
    (3).Sodium silicate solution, modulus from 2.8-3.1.


    2.Tool

    (1).Mini mixing machine. Hang mixing allowed,but should mixing evenly.
    (2).Normal plastering tool.


    Ⅱ.Construction steps

    1.Clean surface of construction part.(Spray the diluted water-proof additive to the surface of calcium silicate board ).
    2.Mix high temp.bonding powder with sodium silicate solution according to the ratio of 1:1.8-2.0 ( Facilitate construction shall prevail), then mixing evenly with mixer.
    3. Evenly plaster bonding powder on furnace of insulation board, then bonding firmly between each adjoining furnace.


    Ⅲ.Pre-Cautions:

    1.To ensure bonding quality,bonding powder, sodium silicate solution should be
    Unifiedly proported according to desired ratio by someone, and using when proporting well, and interval time should be controlled within 2 hours.
    2.When proportin, water-adding forbidden, non water adding in sodium silcate solution.
    3.Casting on outter of insulation board, water-proof treatment should made
    on surface of it. (water-proof agent we have matched together). Because large porosity of insulation board, strong water absorption.If not make water proof treatment,castable would rapidly lose water, then effecting properties of refractory castable.

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