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Syntech Acid Resistant

Chemical-resistant two-component epoxy coating

Chemical-resistant coating based on modified epoxy phenolic resins, for the protection of walls, floors and concrete, steel and fiberglass structures.
Components
Two-components
Appearance
Liquid
Customs code

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    Obtained Certifications and Regulations
    EN 1504-2
    Lines of belonging
    Linea prodotto Aqua
    Linea prodotto Floor
    Linea prodotto Infratech
    Thematic site
    Concrete Repar
    Features and benefits
    Where it is used
    How to use
    Technical data
    Warnings and precautions
    Media

    Syntech Acid Resistant

    Two-component epoxy phenolic resin, applicable by spray, roller or spatula, for the coating and waterproof protection of structures subject to strong chemical aggression.
    Property:

    • high mechanical and abrasion resistance,
    • high adhesion to surfaces
    • good elasticity
    • high chemical resistance to acids, bases and solvents
    • very high tenacity and ease of cleaning and maintenance
    • high chemical resistance to petrol, fuels and hydraulic oil
    • applicable in thick layers, even several times.

    Fields of application

    Industrial floors in concrete. Waste water purification tanks and related technical rooms. Tanks, ducts and food containers. Digesters and plants for the production of biogas. Coating of pipes and liquid containment tanks. Water treatment, purification and distribution plants. Containers of acidic and basic substances. Stables, milking rooms, veterinary rooms, slaughterhouses. Analysis laboratories, warehouses, raw material storage areas and production areas. Containment tanks for accidental spills of petroleum products, chemicals and food products. Protective coating of floors and walls of food, dairy, wine, breweries, distilleries, oil mills, oil mills.


    Allowed supports
    Concrete
    Cement-based or lime-based mortars
    Prefabricated concrete
    Metal surfaces
    Floor screed
    Steel
    Preparation of supports

    The substrate on which the resinous system is to be placed must be suitable for withstanding the stresses resulting from the intended use, such as for example static or dynamic loads, impacts, thermo-hygrometric expansion, vibrations, etc. As regards the characteristics of the substrate (maximum humidity, cohesion, resistance class, flatness, etc.) and the preparation of the surface that will receive the resinous system, all the provisions set out in chapter 5 of the UNI 10966 standard (“RESINOUS SYSTEMS FOR SURFACES HORIZONTAL AND VERTICAL – INSTRUCTIONS FOR DESIGN AND APPLICATION").
    Evaluate the most convenient type of mechanical preparation (shot peening, sandblasting, pressure washing, etc.). Follow the instructions for the different types of support listed below.

    Concrete
    The surfaces to be coated must be stable, clean and free from substances that can affect the adhesion of the coating such as dirt, grease, oil, traces of coatings and surface treatments, etc. Any weak or flaking parts must be removed before applying the product by mechanical sanding with diamond discs and dust extraction. The tensile strength must not be less than 1.5 N/mm².

    Cracks and fissures
    In case of static cracks, use a mortar from the REPAR line for sealing. The sealing of dynamic cracks or greater than > 4-5 mm must be assessed on site. Generally they can be grouted using elastomeric materials or worked as movement joints.

    Localized grouting and repairs
    Any holes, deficiencies, repairs of portions of concrete can be carried out by applying Floor Tenax high-performance mortar.

    Support humidity control
    Before laying resinous systems and coverings, always check the residual humidity content. Check for the presence of residual humidity using the plastic sheet method according to the ASTM D 4263 standard: fix a heavy polyethylene sheet of at least 45x45 cm in size to the support with an adhesive tape. 24 hours after laying, lift the sheet and check for signs of humidity. If testing with a carbide hygrometer, the moisture content of the substrate should be < 4% by weight.

    Wet support
    In case of residual humidity, apply two or more coats of Syntech Pavidamp three-component epoxy primer. All cracks in the substrate must be treated and sealed before applying the three-component primer.

    Fiberglass
    The surfaces to be coated must be stable, clean and free from substances such as dirt, grease, oil, etc. which can affect the adhesion of the coating. Sand the surface by mechanical sanding with diamond discs and dust extraction. We recommend washing the surfaces and waiting for them to dry completely before applying the finish

    Steel
    Any welding residues must be removed and the joints ground. Blast clean to Sa 2½ according to EN ISO 12944-4. The surfaces to be coated must be free from dirt, oils, greases and impurities. Average surface roughness degree RZ ≥ _50.

    The surfaces must also be free from discontinuities, and eventually leveled and regularized with products from the FLOOR line or the REPAR line. Apply approximately 150 to 200 g/m2 of Syntech Primer EP-W by roller, brush or spray to consolidate the substrate and facilitate adhesion of the subsequent coating. Apply Syntech Acid Resistant when the primer is completely dry and no later than 24 hours after applying it. In the event of the presence (even suspected) of humidity deriving from capillary rising from the substrate, it is recommended to first apply the Syntech Pavidamp epoxy resin for "wet substrates".
    Tiled floors, or floors covered with pre-existing resin, must be subjected to mechanical roughening carried out with shot blasting, milling, bush-hammering, etc., until the total elimination of the waterproof crust and the opacification of the surfaces. Remove dust after abrasion.


    Mode of use

    Apply the appropriate primer according to the type of substrate as specified below:

    Concrete
    The application of Syntech Acid Resistant on cementitious substrates must always be preceded by the application of a coat of Syntech Primer EP-W anchoring epoxy primer. Wait 8-12 hours before applying the coating

    Resin coatings
    The application of Syntech Acid Resistant on resinous and multilayer systems must always be preceded by sanding the entire surface in order to promote and guarantee optimal adhesion of the product to the substrate.

    Steel
    The application of Syntech Acid Resistant on steel substrates must always be preceded by the application of a coat of epoxy-polyamide primer in the "surface tolerant" solvent phase Syntech Poliurea Primer-Epoxy Metal. Wait 24 hours before applying the coating

    Application temperature (air and substrate)
    Minimum +10°C _ Maximum + 35°C . The substrate must have a temperature at least +3°C higher than the dew point to reduce the risk of condensation or whitening of the finish.

    Environmental relative humidity
    Minimum 35% _ Maximum 80 %

    Mixing
    Combine the two components in the indicated mixing ratio. Add component B (hardener) to component A (base) and mix thoroughly until the product is completely homogenised.
    It is advisable to start mixing briefly with an electric drill at low rpm and then intensify the stirring up to a maximum of 300-400 rpm

    Application
    The product can be applied by spray, trowel or roller. On the suitably prepared substrate, apply the product in two or more coats, respecting the indicated consumption and overcoating times. It is advisable to prepare a quantity of product not exceeding that which can be applied during the useful life of the material. High temperatures accelerate hardening and reduce the usage time of the prepared material


    Application methods
    Paint roller
    Spatula
    Sprayer
    Tool cleaning
    Thinner for resins
    Key features
    Dosage
    Dosage: 200 - 400 g/mยฒ
    Pot-life
    Pot-life: 45 (a 20ยฐC) min
    Shelf-life
    Shelf-life: 12 months
    Temperature of use
    Temperature of use: +10 / +35 ยฐC
    To be applied in two coats
    To be applied in two coats
    Use wearing protective glasses
    Use wearing protective glasses
    Use wearing protective gloves
    Use wearing protective gloves
    Technical specifications

    1.6 ยฑ 0.05 kg/l

    Dry residue

    90 %

    Heat resistance

    ~ + 50 ยฐC

    Hardness
    Shore A ASTM D2240

    85-90

    Permeability to CO2
    EN 1062/6

    sd > 50 m

    Longitudinal elongation at break
    ISO 868

    60-70 %

    Physical / Mechanical Resistance

    Elevata %

    Capillary absorption
    EN 1062/3

    w< 0.1 kgโ€ขh^0.5/mยฒ

    Complete hardening at 20ยฐC
    a 20ยฐC

    7 day

    Adhesion by direct traction
    su acciaio EN 12188

    > 14 N/mmยฒ

    Resistance to abrasion
    H17 / 1000 giri / 1000g EN ISO 5470/1

    60 mg

    Chemical resistance

    Allegato 1

    Permeability to water vapor
    EN ISO 7783-1

    sd > 50 m

    Touch hardening at 20ยฐC
    a 20ยฐC

    12 h

    Concrete adhesion (direct traction)
    EN 1542

    > 3 N/mmยฒ

    Time before second coat at 20ยฐC
    a 20ยฐC

    24-72 h
    Consumption

    As a primer: 0.20 - 0.25 kg of Syntech Acid Resistant for each square meter of surface to be primed.

    As a coating: 0.40 kg of Syntech Acid Resistant for each square meter of surface to be coated.

    Available colors
    Gray
    Packaging and dimensions
    Can 6.7 kg [A]
    Can 3.3 kg [B]
    Kit: 1 Can 6.7 kg [A] + 1 Can 3.3 kg [B]
    Storage and conservation
    Protect from freezing.
    Warnings
    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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