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, 248 (+0%) porous case ? = 100 0.968 (+1.1%) 143, 10%) 0.248 (+0%) porous case ? = 10 0.970 (+1.4%) 114.4 (-28%) 0.252 (+1.6%) porous case ? = 5 0+4%) porous case ? = 2.5 0.788 (-19%) 93.7 (-41%) 0.268 (+8%) porous case36%) 0.291 (+17%) porous case