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         HH-2 Primary Deck Covering

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        HOME >>HH-4 A-60 Class Fireproof Deck
         

        一.Structure Type:
        二.Technical Index:

        No.

        Item name

        Index

        Executive standard

        1

        HH-3 Fireproof Deck Covering

        Initial setting time

        ≥1h

        Q/HCF 1-2004

        2

        Final setting time

        ≤12h

        3

        Modulus of rapture

        ≥4MPa

        4

        Compressive strength

        ≥20MPa

        5

        Density

        ≤1600kg/m3

        6

        Water absorption

        ≤10%

        7

        Oil absorption

        ≤5%

        8

        Heat conductivity

        ≤1.2W/m.k

        9

        Non-combustibility

        In accordance with IMO.FTPC Part 1/IMO.A 799(19)

        10

        Deck
        Structure

        Fire Rating

        A-60

        11

        Weight per square meter

        ≤60 kg/m2/45mm

        三.Property:
        Characteristic: Fire rating is A-60 class and has very strong moisture-proof
        Applicable for: Covering for A-60 class decks and damp cabins
        Consume amount: 60 kg/m2
        Packing: Dry material (A component): 30kg/pack
        Storage: Cool and dry place, moisture-proof, the quality guarantee period is 6 months
        Approval Certificate: ABS、BV、CCS、DNV、EC、GL 、KR、LR、NK
        四.Application Method:
        4.1 Preparation prior to application
        4.1.1 The welding and fairing by hot working on the steel decks that may interfere with the application of covering are to be finished beforehand.
        4.1.2 The oils, water, anticorrosive paints, impurities on steel decks are to be removed meanwhile the surface preparation is carried out according to the requirements of Grade P2 of CB3230 or Grade St2 of ISO8501-1.
        4.2 Application Procedures
        4.2.1 Stir the dry materials(A component) sufficient evenly near the construction site or in agitator, according to the ratio of covering and water which is about 6:1 in weight, and pour the covering onto the steel deck plate, rub the covering back and forth with a trowel to moisture the steel decks sufficiently, then striking off the covering with wooden ruler, and consolidating and leveling the covering surface with trowel, when the thickness of the covering is 25mm, the steel mesh should be placed, the overlap of the meshes should not be less than 100mm, the overlaps of the meshes should not exceed 3 layers and be fastened with galvanized iron wires, applied 20mm covering onto the steel mesh, and consolidating and leveling the covering.
        4.2.2 After the covering application finished, it should be kept maintain for 1 to 2 days with spray a suitable amount of water or maintaining agent on its surface, and people may walk on it. After the covering completely hardened, the floors can be adhered.
        4.2.3 In the whole application and maintenance period, the environmental temperature should be a range of 0~35℃, cool-down measure is to be taken if the temperature is higher than 35℃ or heat preservation measure is to be taken if the temperature is lower than 0℃.
        五.Attentions
        5.1 The dry material (A component) shall be kept in dry place, avoid rain showering or water dipping. If the cement is obviously caked, it shall not be used.




           Huzhou City Huicheng Marine Covering Co.,Ltd.  Tel:0572-2042222  Fax:0572-2045524
        Address: No.1 Licun Road , Huzhou City, Zhejiang Province   E-mail:huicheng1122@126.com
         
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