Wacker Chemie AG

SILPURAN® 6610/70 A/B


SILPURAN® 6610/70 A/B is a paste-like two component liquid silicone rubber with
a significantly reduced tendency towards a radical induced reattachment, i.e. healing, of slit valve surfaces during sterilization by gamma irradiation and ebeam (≤ 75 kGy).
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 1 170 %
Hardness Shore A DIN 53505 70
Rebound elasticity DIN 53512 60 %
Tensile strength DIN 53504 S 1 6.2 N/mm²
Viscosity at (shear rate 1 s-¹) 850000 mPa s
Viscosity at (shear rate 10 s-¹) 320000 mPa s
Density DIN EN ISO 1183-1 A 1.24 g/cm³
tear-strength ASTM D 624 B 17 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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