Wacker Chemie AG


SILRES® BS 290

Silane - Siloxanes

SILRES® BS 290 is a solventless silicone concentrate that is based on a
mixture of silane and siloxane. SILRES® BS 290 is dilutable with organic solvents.
Dilute solutions of SILRES® BS 290 in organic solvents serve as
high-quality general-purpose water repellents for impregnating and priming mineral and highly alkaline substrates.
Typical general characteristics
Property Inspection Method Value
The figures are intended as a guide and should not be used in preparing specifications.
Density at 25 °C DIN 51757 1.05 g/cm³
Flash point ISO 3679 42 °C
Viscosity, dynamic DIN 51562 15 - 19 mPa.s
Silane / siloxane content approx. 100 %

All the information provided is in accordance with the present state of our knowledge. Nonetheless, we disclaim any warranty or liability whatsoever and reserve the right, at any time, to effect technical alterations. The information provided, as well as the product’s fitness for an intended application, should be checked by the buyer in preliminary trials. Contractual terms and conditions always take precedence.

This disclaimer of warranty and liability also applies – particularly in foreign countries – with respect to third parties’ rights.

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