HS-15JS polymer cement waterproof coating

The Origin of the Name

“JS” stands for “Polymer Cement,” with “J” representing the polymer component and “S” referring to cement. Therefore, JS waterproof coating is also known as a "JS composite waterproof coating." The term "JS" comes from the pinyin initials of "polymer cement." It is a two-component, water-based coating made from a main polymer emulsion (usually acrylic) combined with organic liquid materials and various additives, along with inorganic components like cement and quartz sand. This combination results in a material that offers both flexibility and rigidity, making it ideal for a wide range of waterproofing applications.

Types of JS Waterproof Coating

JS waterproof coatings are classified into three types—Type I, Type II, and Type III—based on the ratio of film-forming materials. These types vary in their flexibility and strength, allowing them to be used in different construction scenarios. Additionally, based on market demand and practical use, new variations have emerged, all falling under the broader category of JS waterproof coatings.

How JS Waterproof Coating Works

The key performance of JS waterproof coating lies in its ability to modify cement using high-molecular polymers, which significantly enhances its flexibility and improves the density of the paint film. Its waterproof mechanism primarily works in two ways:

1. By forming a dense and complete coating film that blocks the movement of water molecules.
2. Through the hydrophobic properties of the coating itself, which helps prevent water penetration.

Construction Requirements for JS Waterproof Coating

To ensure optimal performance, the following steps should be followed during application:

1. Base Surface Preparation: The surface must be smooth, solid, clean, and free of moisture or leaks. Any uneven areas or cracks should be leveled first, and leaks must be repaired before applying the coating. Sharp corners should be rounded off.
2. Accurate Mixing: Follow the manufacturer's instructions carefully. Mix the components slowly while stirring continuously until a uniform, fine mixture is achieved without lumps. Mechanical mixing is recommended, but if done manually, ensure thorough blending to avoid issues like air bubbles or inconsistent texture.
3. Application Technique:
   • Apply the coating using a roller or brush, following the chosen method layer by layer.
   • If the coating shows signs of sedimentation or slight separation, stir it regularly.
   • Ensure the coating is applied as evenly as possible.
   • Allow the previous layer to dry completely and become non-sticky before applying the next one.

Technical Specifications of Hesheng JS Waterproof Coating

With its excellent performance and versatility, HS-15JS polymer cement waterproof coating is a reliable choice for both residential and commercial waterproofing projects. Whether you're working on floors, walls, or roofs, understanding the proper application and technical specifications will help ensure long-lasting protection against water damage.

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