| abstract |
A hardenable composition for use as an adhesive in sealing, spackling, filling, stamping and the like composed of a first component of a monomeric, oligomeric or polymeric compound and a hardening promoting agent, wherein the first component or the hardening promoting agent is encased in a protective casing to prevent rupturing of the casing or hardening of the composition, and a casing rupturing agent composed of microspheres which break under pressure into fragments which have angular edges or are acutely tapered. |