Polymer Modified Cement Waterproofing
Polymer modified cement waterproofing, also known as JS waterproof coating, is a form of organic liquid solution made up of different additives and polymer emulsions such polyacrylate emulsion and ethylene-vinyl acetate copolymer emulsion. The term "JS" is a combination of "J" for polymer and "S" for cement, reflecting its unique polymer and cement composition.
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Product Introduction
polymer modified cement waterproofing
Polymer modified cement waterproofing, also known as JS waterproof coating, is a form of organic liquid solution made up of different additives and polymer emulsions such polyacrylate emulsion and ethylene-vinyl acetate copolymer emulsion. The term "JS" is a combination of "J" for polymer and "S" for cement, reflecting its unique polymer and cement composition.
JS waterproof coating is a two-component, water-based building waterproof coating made up of inorganic powders such as cement, quartz sand, light and heavy calcium carbonate, and numerous additives that are blended and compounded in the proper quantities. JS-Composite waterproof coating and Cement Polymer waterproof coating are the same substance in building engineering.
JS waterproof coating provides great waterproof performance, outstanding anti-permeability qualities, exceptional durability, and strong adhesion to surfaces as compared to typical waterproofing materials. It's commonly employed in underground engineering buildings, roofs, swimming pools, tunnels, and other waterproofing applications.
JS waterproof coating is not only excellent in terms of waterproofing, but it is also environmentally friendly and safe to use. It is non-toxic, odorless, and free of hazardous heavy metals, making it an excellent choice for building projects.
To summarize, JS waterproof coating is an excellent construction waterproofing material made of unique polymer and cement components. It has outstanding waterproofing performance, strong anti-permeability features, and a long lifespan, making it an excellent choice for a variety of waterproofing projects.
Application
- For roofing that is exposed (Type I), polymer cement waterproof coating is used to provide waterproofing, impermeability, and moisture protection for non-exposed terraces, toilet tubs, and external walls.
- Waterproof (Type I) coating for caverns, tunnels, and other underground structures.
- Projects including a bridge, a pool, and water conservation Project to coat waterproofing (Type I)



Advantages
polymer modified cement waterproofing's advantages:
- It may be built on a wet base (without access to open water).
- Reaction curing, which can be built with inadequate ventilation
- Each layer may be thick to increase worker productivity and shorten the construction process.
- Superior water resistance, no milk return, no swelling, great low temperature flexibility (-30°C), non-toxic, pollution-free, ecologically beneficial products. Comparatively to traditional JS.

Tips:
- Shelf life
The temperature from 5ºC to 40ºC, valid time is one and half a year.
- Packaging
Liquid: 20kg/bucket,Powder: 20kg/bag
- Storage method
Storage: The item is kept in a warehouse at a temperature of at least 0°C.
Transportation: Because this product is not harmful, it should be transported in a way that prevents rain, sunlight exposure, freezing, and moisture buildup in the powder.
- Concerns that must be addressed
The temperature must be higher than 5°C during building, and it is not ideal for construction in wet weather or when there is clear water at the base.
The waterproof coating film should be entirely dried before constructing the surface decoration, which should take approximately 2 days, and the wet environment should be adequately prolonged.

Technical Data
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Implement Standard: GB/T23445-2009 |
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|
NO. |
Item |
Standard |
Result |
|
1 |
Solid content, % ≥ |
≥70 |
81 |
|
2 |
Flexibility at Low Temperature, No Crack, ф10mm Stick |
-10ºC, No Crack |
Pass |
|
3 |
Water Impermeability, 0.3Mpa, 30min |
Impervious |
Pass |
|
4 |
Retention tensile strength MPa≥ |
≥1.2 |
1.9 |
|
5 |
Elongation at break, %≥ |
≥200 |
239 |
|
6 |
Adhesive Strength MPa≥ |
≥0.5 |
0.8 |

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