Wacker Chemie AG


ELASTOSIL® R 401/10

Silicone rubbers, HTV

ELASTOSIL® R 401/10 is a low duro, easily-pigmentable silicone rubber base for
extrusion and molding applications as well as for manufacturing of silicone sponge articles in combination with peroxide crosslinkers.
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 1013 hPa ISO 1183-1 A approx. 1.07 g/cm³
Elongation at break DIN 53504 S 1 1200 %
Hardness Shore A DIN 53505 13
Rebound elasticity DIN 53512 39 %
Tensile strength DIN 53504 S 1 6 N/mm²
tear-strength ASTM 624 B 21 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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