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YUHONG™ YHPrimBlock-1400
Three-Component Epoxy-Cementitious Moisture Barrier
YHPrimBlock-1400 is a three-component epoxy-cementitious system which has the capacity of sealing on damp surface to prevent blistering of resin based coatings, even if they are very smooth (ceramic tiles, porcelain, marble, etc.), and of forming a compact layer suitable for laying other coverings and coatings. The product may be used as it is, by diluting it accordingly with water, or by adding quartz sand, to obtain a smoothing mortar for use on uneven concrete surfaces.
Core Advantages
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Easy application.
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Excellent bond to green or hardened concrete whether damp or dry.
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Non-solvent formula, suitable for internal use.
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Good dimensional stability similar to concrete.
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Impervious to liquid and water vapor.
Applicable Scenarios
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It is suitable for use as a waterproofing primer coat for damp substrate, and especially: (1) As a moisture barrier: it is suitable for substrate of high moisture substrates, even green concrete, and allowing for the application of epoxy, polyurethane and other resin coatings requiring dry substrates. (2) Extended with quartz sand, as a patching and repair mortar for smoothing over uneven surfaces. It is recommended to add quartz sand (0.25mm-0.7mm) at a ratio of 1:0.2-0.5.
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