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Osmocem SCK

Osmotic waterproofing mortar, with active crystalline agents

Fiber-reinforced monocomponent cement mortar, based on hydraulic binders, superprogoline fillers, selected fine aggregates and crystallizing reagent agents, which favor the penetration of the compound into the support. Ideal for low-thickness protective coatings (4 to 10 mm), with high counterweight adhesion. The specific formulation makes this product ideal for coatings in aggressive environments in contact with chlorides and sulphates (sewage systems).
Components
Single-component
Appearance
Powder
Customs code
3824 5090

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    Obtained Certifications and Regulations
    EN 998-1EN 1504-3D.M. 06/04/2004, n. 174CHEMICAL RESISTANTEN 13529
    Lines of belonging
    Linea prodotto Aqua
    Linea prodotto Infratech
    Thematic site
    Osmocem
    Features and benefits
    Where it is used
    How to use
    Technical data
    Additional content
    Warnings and precautions
    Media
    Related products

    Osmocem SCK

    Osmocem SCK has a rapid hardening even at low temperatures (even close to 0 ° C), excellent resistance to freeze-thaw cycles and a remarkable resistance to hydrostatic pressure, even in negative phase (counter-thrust). Thanks to the particular crystallising agent of which it is added, it also has a strong tendency to self-healing in case of cracks, as well as a very high cohesion to the support due to its penetrating characteristic (osmotic crystallising).
    Fields of application
    Concerning concrete counter-ground works, underground rooms and constructions, tunnels, hydraulic and infrastructural works and sewer systems, the Osmocem SCK compound is ideal for low-speed regularisations, shavings and coatings, provided they are sufficiently porous and absorbent and free from any waterproofing and / or water-repellent surface treatment, whether chemical (siloxanes, epoxies, polyurethanes, etc.) or natural (wax-up). Resistant to both positive and negative thrust impermeabilizations (counter-thrust).
    Allowed supports
    Concrete
    Prefabricated concrete
    Bricks
    Mixed walls (bricks and stones)
    Brickworks
    Stone walls
    Rock walls
    Preparation of supports
    The surfaces that are the subject of the operation should be healthy, compact and clean. Carefully remove dirt and any pollutant by removing the layers that are not tight, labile and not adequately resistant. Application surfaces should be abundantly and homogeneously moistened before application, while avoiding water stagnation on the surface.
    Mode of use
    To prepare the prepared mortar, add about 2/3 of the expected dough water to the mixer, gradually add the contents of the Osmocem SCK bag and finally the remaining water; Extend the mixing until a homogeneous, bulk-free mix is ​​obtained. When mixing is completed, wait a few minutes before applying. It can be applied either manually (trowel and broom) or by specific pumping equipment, with spritz-concrete, even sprayed technique. In the case of tunnel and tunnel impermeabilizations, Osmocem SCK mortar can be used as a waterproofing layer between two containment spritz-concrete.
    Application methods
    Brick trowel
    Finishing trowel
    Shotcrete machine
    Spatula
    Tool cleaning
    Water
    Key features
    Density
    Density: 1.9 kg/dm³
    Max. recommended thickness
    Max. recommended thickness: 20 mm
    Maximum diameter of aggregate
    Maximum diameter of aggregate: 2.0 mm
    Min. recommended thickness
    Min. recommended thickness: 4 mm
    Mix with water
    Mix with water: 16-18 %
    Nonflammable
    Nonflammable
    Pot-life
    Pot-life: 45 min
    Shelf-life
    Shelf-life: 12 months
    Suitable for contact with drinking water
    Suitable for contact with drinking water
    Technical specifications

    Compressive strength after 28 days
    UNI EN 1015-11

    > 45 N/mm²

    Resistance to severe chemical attacks
    Group 10, 11, 12 UNI EN 13529

    classe II

    Bonding force
    Adesione al supporto UNI EN 1015-12

    2.2 N/mm²

    Shore D hardness after 28 days of contact with sulfuric acid (pH 4.5)

    82

    Water penetration after capillary absorption
    UNI EN 1015-18

    2.2 mm

    Hardness
    Shore D

    83

    Resistant to sulphates
    pH

    4.5

    Skid resistance
    UNI EN 13036-4

    65.0

    Adhesion to the support after 28 days of contact with sulfuric acid (pH 4.5)
    UNI EN 13529

    > 2.4 N/mm²

    Flexural strength after 28 days
    UNI EN 1015-11

    > 6 N/mm²

    Capillary absorption

    0.17 kg•h^0.5/m²
    Resistant to chemical agents

    Permeability to water vapor
    Sd EN ISO 7783-1

    CLASS I

    Darcy impermeability

    <1x10⁻¹⁰ cm/s

    Water penetration depth
    UNI EN 12390-8

    40 mm

    Chloride content

    <0.01 %

    Static elastic modulus
    EN 13412

    > 21000 N/mm²

    Thermal compatibility
    UNI EN 13687-1

    2.18 MPa
    Consumption
    Approximately 1.7 kg/m² of Osmocem SCK for each millimetre of thickness to be made.
    Available colors
    Gray
    Packaging and dimensions
    Bag 25 kg
    Storage and conservation
    Inadequate storage of the product may result in a loss of rheological performance.
    Additional content

    Warnings
    Do not apply in case of direct exposure to sunlight and excessive direct ventilation. Protect the fresh (applied) mortar during hardening/curing period from excessive and rapid loss of humidity and from sudden temperature change.
    Do not apply on little or non-porous substrates or previously coated with water-repellent treatments in general, if not after appropriate roughening by bush hammers, sanders and equipment suitable for preparatory treatments of substrates, or after appropriate treatment with suitable polymeric primers.The general information, along with any instructions and recommendations for use of this product, including in this data sheet and eventually provided verbally or in writing, correspond to the present state of our scientific and practical knowledge.
    Any technical and performance data reported is the result of laboratory tests conducted in a controlled environment and thus may be subject to modification in relation to the actual conditions of implementation.

    Azichem Srl does not assume any liability arising from inadequate characteristics related to improper use of the product or connected to defects arising from factors or elements unrelated to the quality of the product, including improper storage.
    Those wishing to utilise the product are required to determine prior to use whether or not the same is suitable for the intended use, assuming all consequent responsibility.

    The technical and characteristic details contained in this data sheet shall be updated periodically. For consultation in real time, please visit the website: www.azichem.com. The date of revision is indicated in the space to the side. The current edition cancels out and replaces any previous version.

    Please note that the user is required to read the latest Safety Data Sheet for this product, containing chemical-physical and toxicological data, risk phrases and other information regarding the safe transport, use and disposal of the product and its packaging. For consultation, please visit: www.azichem.com.
    It is forbidden to dispose of the product and/or packaging in the environment.
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