Nanjing SiSiB Silicones Co., Ltd.
Nanjing SiSiB Silicones Co., Ltd.
SiSiB® WR5050
SiSiB® WR5050

Silicone Hydrophobic Powder

SiSiB® WR5050 silicone for construction is a free-flowing powder designed for cementitious dry-mix powder.

SiSiB® WR5050 is easy to mix in powdered composition, it will increase water repellency with no post-treatment required. It can provide excellent resistance to water absorption throughout the material.

SiSiB® WR5050 silicone based water repellent may be used in a variety of cementitious drymix applications where the application of conventional liquid water repellents is not feasible or desired, like concrete, stucco, plaster, grout, and mortar.

It is similar to Dow's GP-SHP-50, Evonik's SITREN P-750.

SiSiB® WR5050

Technical Data

Color and Appearance

White powder

Bulk Density



  • SiSiB® WR5050 is added to the dry ingredients and mixed until a homogenous formulation is obtained.

  • The dosage may vary from 0.2~1.0% (referred to dry material) depending on the application and desired performance.

  • The required dosage should therefore be evaluated in suitable tests prior to the final application.

Packing and Storage

  • SiSiB® WR5050 by SiSiB is supplied in 25Kg bag.

  • In the unopened original container SiSiB® WR5050 has a shelf life of at least 12 months in a dry and cool place.

  • Storage beyond the date does not necessarily mean that the product is no longer usable. In this case however, the properties required for the intended use must be checked for quality assurance reasons.

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SiSiB® WR5050