Kit for producing a bone cement paste, comprising a paste A and a paste B paste A comprising at least one monomer for radical polymerization, at least one peroxide polymerization initiator and at least one tertiary amine, at least one amidine or a mixture of a tertiary amine and amidine paste B comprising at least one monomer for radical polymerization, at least one heavy metal compound as polymerization accelerator, and as polymerization co-accelerator at least one sulfimide, at least one dicarboxylic acid imide or a mixture thereof, at least one of the pastes A and B comprising at least one filling agent that is insoluble in the monomer of paste A and/or the monomer of paste B.