Wacker Chemie AG


SILPURAN® 4200

Sealants & RTV-1

SILPURAN® 4200 is a non-slump to self-levelling silicone rubber
formulation, curing at room temperature under the influence of atmospheric moisture to a silicone elastomer with good mechanical properties.
Typical general characteristics
Property Inspection Method Value
The figures are intended as a guide and should not be used in preparing specifications.
Elongation at break DIN 53504 S1 / ISO 37 300 %
Hardness Shore A DIN 53 505 / ISO 868 35
Tensile strength DIN 53504 S1 / ISO 37 5.5 N/mm²
Viscosity at 23 °C at , D = 10 s-1 DIN EN ISO 3219 200000 mPa s
Viscosity at 23 °C at , D = 100 s-1 DIN EN ISO 3219 140000 mPa s
Viscosity, dynamic at 20 °C DIN EN ISO 3219 300000 mPa.s
Density at 23 °C in water at (cured) DIN EN ISO 1183-1 / ISO 2781 1.1 g/cm³
tear-strength ASTM D 624 10 N/mm

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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