Nyacol® K-Sol is a water-dilutable solution containing potassium methyl siliconate. It's crafted for surface treatment applications, leveraging its capability to provide water repellency and decrease water absorption on surfaces.

Product Type: Coating

Features: Low Water Absorption

Compatible Substrates & Surfaces: Brick, Ceramic, Concrete, Limestone, Sandstone

Application Method: Brush, Dip Coating, Spray

Chemical Family: Silica

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Identification & Functionality

Chemical Family
Chemical Name
Product Type
Industrial Additives Functions
Product Families

Features & Benefits

Ready-to-Use Product Features
Product Features
  • Nyacol® K-Sol is potassium siliconate and provides an excellent water repellent coating for concrete and many other materials.
  • It is easy to use and coverage is good.

Applications & Uses

Application Method
Compatible Substrates & Surfaces
Product Applications
  • Nyacol® K-Sol imparts water repellency to a wide variety of substances and is recommended for use on concrete, bricks, sandstone, limestone and ceramics.
  • Supplied at a concentration of 32 percent in water, K-Sol must be diluted to a concentration of 3 percent or less before application.
Method of Application
  • Nyacol® K-Sol can be applied by dipping, spraying or brushing.
  • Always test the concentration on a small sample of the material to determine the suitability of the specific use.
  • The surface to receive the water-soluble siliconate should be lightly dampened immediately prior to application.
  • The siliconate forms a permanent insoluble chemistry by reacting with the concrete.
  • Existing surfaces: This water-soluble siliconate does not wet surfaces that have been previously treated with siliconate or another water repellent treatment.


Physical Form
Clear to slightly yellow liquid
Counter Ion
Typical Properties
ValueUnitsTest Method / Conditions
Total Solid Content32.0%-
Specific Gravity1.22--
pH Value12 - 13--

Regulatory & Compliance

Packaging & Availability

Packaging Type
Packaging Information

Nyacol® K-Sol is available in 1 lb., 50 lb. and 550 lb. containers and Bulk IBC’s upon request.

Storage & Handling

Shelf Life
12 months
Storage Conditions
  • Nyacol® K-Sol should be stored in an airtight, sealed container at or below 25°C (77°F).
  • Should temperature drop below freezing, a crystalline structure may develop which will not permanently impair the effectiveness of the product.
  • When heated to room temperature, the solution will again become clear and ready for use.
Handling Precautions
  • Nyacol® K-Sol is alkaline and should be handled with the same care as caustic soda.
  • If misting occurs, avoid inhalation.
  • Do not get in eyes or on skin and clothing.