Cement-based permeability-crystallization waterproof coating

Abstract:

A powdered, rigid waterproofing material for cement-concrete waterproofing structures, primarily composed of silicate cement and incorporating a certain amount of active chemical substances. Upon contact with water, these active chemicals are carried by the water into the concrete, where they react with the hydration products of cement to form insoluble needle-like crystals that seal capillary pores and microcracks, thereby enhancing the density and waterproofing performance of the concrete.

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Description

　　A powdered, rigid waterproofing material for cement-concrete waterproofing structures, primarily composed of silicate cement and incorporating a certain amount of active chemical substances. Upon contact with water, these active chemicals are carried by the water into the concrete, where they react with the hydration products of cement to form insoluble needle-like crystals that fill capillary pores and microcracks, thereby enhancing the compactness and water resistance of the concrete.

　　◆ Suitable for application on damp substrates and even under conditions of water seepage.

　　◆ Exhibits long-term impermeability and resistance to high water pressure; as an inorganic material, it is immune to aging and has a service life comparable to that of concrete.

　　◆ Excellent penetration capability, forming crystalline precipitates within the concrete matrix, resistant to degradation, and endowed with self-healing properties.

　　◆ Prevents chemical corrosion from damaging concrete structures, provides protection to reinforcing steel, and does not cause expansive damage to the concrete.

　　◆ Simple and fast construction, saving project duration.

　　◆ Non-toxic, harmless, and environmentally friendly product.

　　Waterproofing and leak-stopping services suitable for all new and existing concrete and masonry structures, including walls, roofs, kitchens, bathrooms, floors, tunnels, civil defense facilities, subways, swimming pools, sewage tanks, large water storage tanks, and other similar projects. Particularly well-suited for waterproofing and repair of roof slab cracks causing dripping, bottom slab seepage, construction joint seepage, and expansion joint seepage.