Polyurea Waterproofing Spray Polyurea

Polyurea waterproofing is include the isocyanate (A) component and mixed resin (B) component.

Component A can be aromatic isocyanate or aliphatic isocyanate.
Component B is composed of amino-terminated polyether and amino-terminated chain extender, and component B must not contain catalyst.

Polyurea waterproofing is a two-component material. Components A and B react to form urea bonds, and the structure of urea bonds is symmetrical, with stable properties and excellent bond energy, which makes polyurea excellent and very stable.

1. High Reactivity and Fast Curing Speed

Polyurea has a high reaction activity and cures quickly. It can be continuously sprayed on vertical surfaces, ceilings, and any curved surfaces without sagging. Polyurea elastomer does not require a catalyst. It gels in 5 seconds and reaches walkable strength within 1 minute.

2. Insensitive to Temperature and Humidity

It is minimally affected by environmental temperature and humidity during application. When spraying polyurea elastomer, it can be applied on substrates at low temperatures down to -40℃ and in high humidity environments. It can even cure on water and ice surfaces.

3. Two-Component, 100% Solids Content

Polyurea Protective Waterproofing Systems contains no volatile organic compounds (VOCs), making it environmentally friendly. Both during application and use, it is non-toxic and non-polluting, earning it the reputation of being a "green material and green technology."

4. Superior Physical Properties

Polyurea Waterproofing Systems exhibits excellent physical properties, including high impact resistance, high tensile strength, exceptional crush resistance, high elongation, flexibility, tear resistance, abrasion resistance, aging resistance, impact strength, cathodic disbondment resistance, and insulation strength. Additionally, it has outstanding low-temperature toughness.

5. Excellent Chemical Corrosion Resistance

Polyurea Waterproofing Spray Coating is resistant to most corrosive media (acids, alkalis, salts, and long-term immersion in seawater). Particularly in high-temperature concentrated alkali environments (30% NaOH at 90℃), polyurea maintains its physical and chemical properties without significant changes, making it an excellent material for heavy-duty anti-corrosion applications.

6. Outstanding Physical Performance

Polyurea elastomer coatings can be used continuously at temperatures ranging from -45℃ to 150℃ and can withstand short-term thermal shocks of up to 350℃.

7. Good Weather Resistance and Aging Resistance

Aliphatic polyurea is resistant to UV erosion and does not easily yellow. Although aromatic polyurea may yellow, it does not chalk or crack, and it withstands thermal shocks and the alternating impacts of wind, rain, frost, and snow. It can be used outdoors for 30 to 50 years.

8. Excellent Aesthetic Properties

Various colors and dyes can be added to produce products in different colors. The coating surface is smooth, dense, and seamless. By adjusting the process parameters, an orange peel texture can also be achieved.

9. High Construction Efficiency

Do Polyurea Waterproof Coating Spray,using specialized equipment, it can be applied by spraying or pouring, making the process convenient and efficient. The thickness of a single application can range from several hundred microns to several centimeters, overcoming the drawbacks of multiple applications. This effectively integrates material protection with spraying technology, greatly improving both project quality and progress.

10. Superior Aesthetic Properties

A single piece of equipment requires 3 to 4 operators and can cover more than 1,000 square meters per day, which is 15 to 20 times faster than traditional methods, minimizing the impact of weather on the construction schedule.

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