Wacker Chemie AG

ELASTOSIL® R plus 4370/40


ELASTOSIL® R plus 4370/40 is a self-adhesive addition-curing compound for
manufacturing of extruded, coated and molded articles. It adheres to steel, aluminum, thermoplastics (e.g.PBT) with good heat
deflection temperature and synthetic fibers (such as Polyester), as well as to other silicones without any primering or specical surface treatments.
Typical general characteristics
Property Inspection Method Value
The figures are intended as a guide and should not be used in preparing specifications.
Density DIN 53479 approx. 1.14 g/cm³
Elongation at break DIN 53504 S 1 890 %
Hardness Shore A DIN 53505 A 40
Rebound elasticity DIN 53512 55 %
Tensile strength DIN 53504 S 1 9.4 N/mm²
tear-strength ASTM D 624 B 34 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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