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PSI0703


Water Repellent for Masonry Surfaces

Introduction
PSI 0703 Water Repellent is a water-dilutable solution of potassium methyl siliconate (Potassium siliconate) developed to impart water repellency to a wide variety of natural stone and masonry surfaces. The siliconate reacts with carbon dioxide in the air to form an insoluble repellent surface and reduce water absorption within 24 hours.

It is suitable for the surface of natural stone, like sandstone, limestone, and red brick, gray brick, granite, ceramics etc.; It is not suitable for polished or glazed surfaces.

Advantages
1. Reduces water absorption into the substrate, thus reducing spalling due to freeze-thaw and efflorescence, thereby increasing the life of the substrate.
2. Colorless and non-yellowing protection preserves the natural appearance of the substrate. Will not form a surface film or gloss.
3. Treated surfaces retain natural vapor permeability.
4. Suitable for interior and exterior surfaces.
5. No solvent odor.
6. Non-flammable.

Technical Data

Chemical Content: Water-dilutable potassium methyl siliconate solution.
Appearance: Clear to slightly yellow liquid
Solids Content: ~3%
PH: ~12

Applications
PSI 0703 is supplied concentration of 3 percent in water; It may be used directly, do not dilute it.

Note:
1. Application should be avoided on extremely windy days to avoid rapid evaporation of the water carrier.
2. It is an alkaline material and should be handled with the same care as solutions of caustic soda.
3. Stored in airtight, sealed container.

 

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