Current Test-by-Test Standard Deviations Within Total Lab Overall Individual Elastomer Parameter STD STD Determinations HYDROGENATED NITRILE Volume 0.66 0.64 23 HYDROGENATED NITRILE Hardness 1.19 1.14 23 HYDROGENATED NITRILE Tension 14.25 13.71 23 HYDROGENATED NITRILE Elongation 12.61 12.46 23