Wacker Chemie AG


SILRES® BS 280

Silane - Siloxanes

SILRES® BS 280 is a solvent-free silicone concentrate based on
silane/siloxane that is dilutable with organic solvents. Diluted solutions of SILRES® BS 280 are highquality water repellents for
impregnating mineral building materials, especially silicate free natural stones like limestone or gypsum. SILRES® BS 280 develops its waterrepellent effect after application to
construction materials as a result of a reaction with atmospheric humidity.
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 12791 1.041 - 1.06 g/cm³
Flash point 49 °C
Ignition temperature (liquids) DIN 51794 260 °C
Viscosity, dynamic at 25 °C DIN 51562 7 - 9 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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