| abstract |
The present invention is a moisture-curing sealant comprising a) at least one silane-functional polymer and b) at least one catalyst for crosslinking the silane-functional polymer, wherein the sealant is free of organotin compounds and in the cured state, a secant modulus at 100% elongation and 23 ° C, determined according to ISO 8339, of less than 0.4 MPa and a recovery at 100% elongation, determined according to ISO 7389, of greater than 70%. The sealant is particularly suitable as a construction sealant class 25LM according to DIN EN ISO 11600, in particular as a facade sealant. |