Wacker Chemie AG


SILPURAN® 2420 A/B

RTV-2

Addition-curing RTV-2 silicone rubber curing to a silicone elastomer of medium hardness.
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 S 1 680 %
Hardness Shore A DIN 53505 A 12
Mix ratio at A : B 1 : 1
Pot life at 23 °C 54 min
Tensile strength DIN 53504 S 1 3.5 N/mm²
Viscosity, dynamic at at 23 °C Brookfield 2500 mPa.s
Viscosity, dynamic at at 23 °C Brookfield 5000 mPa.s
Density DIN 53479 approx. 1.06 g/cm³ 23 °C
Density DIN 53479 approx. 1.09 g/cm³ 23 °C
tear-strength ASTM D 624 B 13 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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