Two-Component Spray Rapid-Setting Rubber Asphalt Waterproof Coating: Redefining Waterproofing Technology

In the fast-paced construction industry, waterproofing technology continues to evolve, and two-component spray rapid-setting rubber asphalt waterproof coating has emerged as a standout innovation. This advanced waterproofing material, comprising Component A (main agent) and Component B (coagulant), stands out for its rapid film formation, high elasticity, and strong adhesion. It is reshaping the landscape of waterproofing solutions.

Product Composition and Principle

Component A of the two-component spray rapid-setting rubber asphalt waterproof coating is a main agent composed of anionic synthetic rubber emulsion, emulsified asphalt micro-emulsion prepared through a special process, and various chemical additives. It adopts a core-shell structure where rubber serves as the continuous phase and asphalt as the dispersed phase. Component B is a coagulant, typically an aqueous solution of electrolytes such as metal salts at a specific concentration. During construction, the two components are sprayed simultaneously through a dual-nozzle spray gun in a specialized spray machine. Upon colliding on the substrate, they undergo ion de-emulsification. The coagulant destabilizes the polymer emulsion and emulsified asphalt, causing them to rapidly break apart, precipitate, and coalesce into a polymer film within seconds. This forms a continuous, dense, and seamless waterproof layer.

Outstanding Performance Features

Rapid Film Formation: The coating can form a film within 3-5 seconds of spraying, enabling immediate foot traffic on the surface. This significantly shortens construction timelines and reduces project duration.

High Elasticity and Strong Adhesion: The coating boasts an elongation rate exceeding 1000% and an elastic recovery rate over 90%. It maintains integrity even in complex environments, effectively addressing issues such as cracks or fatigue stress caused by settlement deformation, shrinkage, and temperature changes. Additionally, its high adhesion strength ensures secure bonding to the substrate, preventing water penetration and peeling.

Exceptional Environmental Adaptability: The coating remains intact without cracking at temperatures as low as -35°C and does not flow at temperatures as high as 140°C. It resists acid, alkali, and salt corrosion and withstands climate changes, ensuring a long service life.

Wide Application Range: It is suitable for waterproofing and anti-corrosion projects in industrial, civil, and municipal construction, including building basements, rooftops, kitchens, bathrooms, water storage tanks, subways, tunnels, culverts, water conservancy facilities, road bridges, and their lining layers. It also provides protection for steel structures like color-coated tiles and rooftops.

Low Construction Requirements: The coating imposes minimal requirements on substrate conditions such as dryness/humidity and flatness. It can adhere to various materials like concrete, metal, and wood, even on damp substrates. Construction is unaffected by substrate roughness or irregularities. Surface preparation is simple, with no need for a leveling layer. Spraying can proceed as long as the humidity is below 80%.

Environmentally Friendly: As a Water-Based eco-friendly coating, it contains no volatile organic compounds (VOCs), is non-toxic and odorless, emits no harmful gases, and poses no pollution risk to the environment. It is safe for use in enclosed spaces.

Efficient Construction Process

Before large-scale spraying, ensure the additional layer has fully solidified. Inspect the spray machine for leaks, check bolt tightness, verify oil levels, perform pressure tests, clean the spray channels, and adjust the spray nozzle fan pattern and angle. Divide the spraying area into sections and mask areas not requiring spraying to prevent overspray. During spraying, adjust the nozzle distance, angle, and spray machine pressure to achieve a uniform and consistent coating without exposing the substrate. The sprayed material should form a smooth, thick layer.

Market Demand and Development Prospects

With the rapid advancement of infrastructure construction and the continuous growth of the construction industry, the demand for high-performance Waterproofing Materials is steadily increasing.Two-component spray rapid-setting rubber asphalt waterproof coating, with its numerous advantages, is gaining widespread recognition and adoption. It is expected to play a significant role in future waterproofing projects. Leading manufacturers in the field are continuously optimizing production processes and enhancing product quality to meet market demands. For instance, Great Ocean Waterproofing Materials Inc. has launched its own spray rapid-setting rubber asphalt waterproof coating, which has performed exceptionally well in practical applications.

In conclusion, two-component spray rapid-setting rubber asphalt waterproof coating represents a revolutionary advancement in waterproofing technology. Its rapid film formation, high elasticity, strong adhesion, and versatility make it a preferred choice for modern waterproofing projects. As the construction industry continues to develop, this innovative coating will undoubtedly have a broader market outlook and application prospects.