FIELD: chemistry.
SUBSTANCE: invention relates to structural components. Disclosed is a structural block having at least two components joined to each other by a silicone rubber composition, which is obtained by hardening a mixture of at least one polydiorganosiloxane with terminal silanol groups; at least one cross-linking agent for polydiorganosiloxanes with terminal silanol groups; at least one cross-linking reaction catalyst; zinc oxide for fast setting in bulk, having mean particle size of 50-70 nm, in amount of 1-60 wt % of the total weight of the composition; and, optionally, additional components.
EFFECT: disclosed composition for joining components of the structural block is capable of fast hardening in bulk, is suitable for use as a window sealant, in making such structural components as window modules, door units, building glazing, for use in curtain walls and so forth.
25 cl, 5 dwg, 7 tbl, 2 ex
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