AP-0281 is a reactive high solids silane/siloxane emulsion designed to be used as a hydrophobic additive for waterborne paints, stains and coatings. AP-0281 provides a long-lasting hydrophobic effect to various surfaces such as wood & composites, decks, fences masonry, stucco and concrete.


• High solids—easy formulation

• Long lasting hydrophobic effect

• Compatible with various waterborne resins

• Prevents water staining.

• Provides wear resistance.

• Non-yellowing – assures color stability.

• Allows for recoat ability


AP-0281 can be added to the formulation at 1-10% on a weight basis, depending on performance and cost requirements.
It is recommended that AP-0281 is properly mixed and pre-diluted in water prior to adding to your formulation.
AP-0281 can also be used as a stand alone sealer. Prepare a water dilution by adding 1-10% of AP-0281. Wetting aides and/or defoaming agents may be needed for a final formulation.
The prepared mixture may be brushed or sprayed onto the surface. Allow to air dry for 24 hours before contact with water is made.

For More Detailed Information, Download the Data Sheets

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