HS-15JS polymer cement waterproof coating

The Origin of the Name

The term "JS" stands for "Polymer Cement." This type of waterproof coating is also known as a "JS composite waterproof coating." The name comes from the pinyin initials of "polymer cement." It is a two-component, water-based material made by combining a polyacrylate emulsion with an organic liquid, along with various additives. It also includes inorganic components like cement and quartz sand. The final product is a hybrid material that combines both rigidity and flexibility, making it ideal for a wide range of waterproofing applications.

Types of JS Waterproof Coating

JS waterproof coatings are categorized into three types—Type I, II, and III—based on the ratio of the film-forming materials. These types are further developed based on market demand and practical usage, particularly in the form of polymer cement mortars. All these variations are collectively referred to as JS waterproof coatings, each designed for specific construction needs and environmental conditions.

How JS Waterproof Coating Works

The key to its effectiveness lies in the use of high-molecular polymers to modify cement. This enhances the flexibility of the coating and improves the density of the paint film. Its primary waterproofing mechanisms include:

1. Creating a dense and continuous film that blocks the passage of water molecules.
2. Utilizing the hydrophobic properties of the coating itself to 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 flat, clean, and free of moisture or leaks. Any cracks or uneven areas should be repaired first. Sharp corners should be rounded to avoid stress points.
2. Proper Mixing: Always follow the manufacturer's instructions when mixing the components. The powder should be slowly added to the liquid while stirring continuously. Mechanical stirring is recommended for better consistency. Manual mixing must be thorough to avoid defects such as lumps or air bubbles.
3. Application Technique:
   • Apply using a roller or brush in even layers according to the chosen method.
   • If the coating shows signs of settling or separation, stir it before continuing.
   • Ensure the coating is applied uniformly for maximum coverage and durability.
   • Allow sufficient time between coats—only apply the next layer after the previous one is dry to the touch and no longer sticky.

Technical Specifications of Hesheng JS Waterproof Coating

This coating is widely used in both residential and commercial construction due to its excellent performance, ease of application, and long-term durability. Whether you're working on a bathroom, basement, or roof, HS-15JS provides reliable protection against water damage. Make sure to follow all guidelines carefully to achieve the best results.

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