BRB Siloen® SR 403 by BRB International BV is a water repellant. It is a non-ionic, APEO-free, solvent-free, water-thinnable silicone emulsion containing 60% active reactive silicone oil. It is miscible with tap water, and compatible with acrylate paint systems.
- It delivers superior hydrophobicity, low water absorption, enhanced beading and hydrophobing performance and high water vapor permeability.
- It offers increased UV resistance, matte finish, and improved processability and anti-blocking characteristics.
- It is used as a paint additive to improve water resistance of silicone-based masonry paints.
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BRB Siloen® SR 403 properties
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