POWDER SILICONE STYRENE P 730

POWDER SILICONE STYRENE P 730 is an organo-siloxane-based water-repellent additive in powder form on an inorganic carrier. It is specially formulated to increase water repellency in dry-mix mortar applications. Thanks to its white color and free-flowing powder structure, it is easy to dose, mix, and use; it is also odorless.

Advantages and Properties

This product offers many features in the final application, along with water repellency and durability. It reduces efflorescence, provides good water resistance, and lowers the water absorption coefficient. It has no effect on mortar viscosity over time. It can be easily added to other powder components to achieve a homogeneous formulation and offers good wettability.

Application Areas

It has a wide range of applications in dry-mix mortar systems. It is used to improve water repellency in mineral plasters, repair mortars, thermal insulation systems (EIFS/ETICS), tile adhesives, thin plasters, joint grouts, waterproofing membranes, and powder coatings. Caution: Not suitable for gypsum-based formulations.

Physical Properties

Dosage and Storage

Depending on the intended use, it is recommended to be dosed between 0.2% and 1.0% by weight based on the total dry matter. The exact dosage should be determined by appropriate tests prior to final application. The product should be stored in dry and clean conditions at temperatures not exceeding 35 °C. The shelf life is 12 months. Long-term storage may cause caking, but this does not affect product performance. It is offered in 360 kg pallets (18 x 20 kg paper bags) and pallets should be stacked a maximum of two layers high.