['The', 'burning', 'characteristics', 'were', 'hardly', 'affected', 'by', 'any', 'changes', 'in', 'density', 'for', 'the', 'prototypes', 'with', 'WP60.', 'The', 'correlation', 'found', 'between', 'MS', 'cytotoxicity,', 'expressed', 'as', 'LDSO', 'values,', 'and', 'filler', 'density', 'was', 'weak', 'for', 'the', 'WP60', 'proto-', 'types', 'but', 'indicated', 'a', 'slight', 'decrease', 'with', 'increasing', 'density.', 'No', 'correlation', 'was', 'discovered', 'between', 'SS', 'cytotoxicity', 'and', 'filler', 'density.', 'With', 'respect', 'to', 'frameshift', 'mutation', 'and', 'base-', 'pair', 'substitution', 'a', 'slight', 'increase', 'in', 'mutagenicity', 'was', 'observed', 'for', 'MS', 'condensate', 'with', 'increasing', 'filler', 'density,', 'while', 'no', 'correlation', 'between', 'SS', 'mutagenicity', 'and', 'filler', 'density', 'was', 'obtained', 'for', 'the', 'prototypes', 'of', 'Part', 'I.', 'For', 'the', 'SE', 'prototypes', 'the', 'mutagenicity', 'of', 'SS', 'and', 'MS', 'condensate', 'in', 'strains', 'TA', '98', 'and', 'TA', '100', 'was', 'found', 'to', 'be', 'directly', 'proportional', 'to', 'the', 'filler', 'density,', 'showing', 'an', 'increase', 'with', 'increasing', 'density.', 'The', 'SE', 'prototypes', 'also', 'showed', 'a', 'direct', 'proportionality', 'between', 'cytotoxicity', 'and', 'filler', 'density.', 'With', 'increasing', 'filler', 'densities', 'the', 'cytotoxicity', 'was', 'slightly', 'decreased,', 'G44ZTELOGZ']